Equation

Problem 2701

Find at least one solution of the following cryptogram where each distinct letter en codes a dei-distinct digit. I+HE+HE+HE+HE+HE+HE+HE+HI+HE+HE+HE+HE+HE+HE+HE+HE\begin{array}{c} \mathrm{I}+\mathrm{HE}+\mathrm{HE}+\mathrm{HE}+\mathrm{HE}+\mathrm{HE}+\mathrm{HE}+\mathrm{HE}+\mathrm{H} \\ \downarrow \\ \mathrm{I}+\mathrm{HE}+\mathrm{HE}+\mathrm{HE}+\mathrm{HE}+\mathrm{HE}+\mathrm{HE}+\mathrm{HE}+\mathrm{HE} \end{array}

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Problem 2702

(c) In water treatment plant, calcium sulphate, CaSO4\mathrm{CaSO}_{4} is often formed as a precipitate which can clog pipes and reduce the efficiency of the system. The solubility product constant for calcium sulphate, CaSO4\mathrm{CaSO}_{4} is 2.4×1052.4 \times 10^{-5} at room temperature. The plant has a solution containing 0.01 M of calcium ions, Ca2+\mathrm{Ca}^{2+}. If the concentration of sulphate ion, SO42\mathrm{SO}_{4}{ }^{2-} in the water is initially 1.5×103M1.5 \times 10^{-3} \mathrm{M}, will a precipitate of calcium sulphate form? [3 marks]

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Problem 2703

L{et+3}=\mathscr{L}\left\{e^{t+3}\right\}=
Select one: 1s+2\frac{1}{s+2} 1s3\frac{1}{s-3} e3s1\frac{e^{3}}{s-1} e3su(t+3)e^{3 s} u(t+3)

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Problem 2704

L{et+3}=\mathscr{L}\left\{e^{t+3}\right\}=
Select one: 1s3\frac{1}{s-3} e3su(t+3)e^{3 s} u(t+3) 1s+2\frac{1}{s+2} e3s1\frac{e^{3}}{s-1}

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Problem 2705

L{et+3}=\mathscr{L}\left\{e^{t+3}\right\}=
Select one: e3s1\frac{e^{3}}{s-1} 1s3\frac{1}{s-3} 1s+2\frac{1}{s+2} e3su(t+3)e^{3 s} u(t+3)

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Problem 2706

L{et+3}=\mathscr{L}\left\{e^{t+3}\right\}=
Select one: 1s3\frac{1}{s-3} e3s1\frac{e^{3}}{s-1} 1s+2\frac{1}{s+2} e3su(t+3)e^{3 s} u(t+3)

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Problem 2707

L{et+3}=\mathscr{L}\left\{e^{t+3}\right\}=
Select one: e3su(t+3)e^{3 s} u(t+3) 1s3\frac{1}{s-3} 1s+2\frac{1}{s+2} e3s1\frac{e^{3}}{s-1}

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Problem 2708

Find the values of xx and yy in each equation below:
9. x+yi=29ix+y i=2-9 i
10. 1+10i=(x4)+2yi1+10 i=(x-4)+2 y i

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Problem 2709

Question Show Examples
A rocket is launched from a tower. The height of the rocket, yy in feet, is related to the time after launch, xx in seconds, by the given equation. Using this equation, find the time that the rocket will hit the ground, to the nearest 10oth of second. y=16x2+273x+111y=-16 x^{2}+273 x+111
Answer Attempt 1 out of 2

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Problem 2710

A rocket is launched from a tower. The height of the rocket, yy in feet, is related to the time after launch, xx in seconds, by the given equation. Using this equation, find the time that the rocket will hit the ground, to the nearest 10oth of second. y=16x2+141x+67y=-16 x^{2}+141 x+67
Answer Attempt 1 out of 2 Submit Answer

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Problem 2711

Question A company sells widgets. The amount of profit, yy, made by the company, is related to the selling price of each widget, xx, by the given equation. Using this equation, find out the maximum amount of profit the company can make, to the nearest dollar. y=2x2+123x802y=-2 x^{2}+123 x-802
Answer Attempt 1 out of 2 \square Submit Answer

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Problem 2712

Magnesium bromide, MgBr2\mathrm{MgBr}_{2} react with silver nitrate, AgNO3\mathrm{AgNO}_{3} accc the following equation: MgBr2+2AgNO3Mg(NO3)2+2AgBr\mathrm{MgBr}_{2}+2 \mathrm{AgNO}_{3} \rightarrow \mathrm{Mg}\left(\mathrm{NO}_{3}\right)_{2}+2 \mathrm{AgBr}
In a reaction of 20 g of MgBr2\mathrm{MgBr}_{2} and a 25 mL of 0.5MAgNO30.5 \mathrm{M} \mathrm{AgNO}_{3}, Determine the limiting reactant. Calculate the amount of AgBr produced. Calculate the mass of excess reactant remaining after the reaction is completed.

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Problem 2713

Show Exampl
Complete the square to re-write the quadratic function in vertex form: y=7x284x+248y=7 x^{2}-84 x+248
Answer Attempt 1 out of 2 y=y= \square Submit Answer

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Problem 2714

مثال 1 أَجِدُ مُعادلة محورِ التَّماثل، وإحداثي رأس الاقتران التربيعي 4 + f(x) = 5x - 10x

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Problem 2715

Change to an equivalent expression involving a logarithm. 9x=239^{x}=23 A) log9x=23\log _{9} x=23 B) log239=x\log _{23} 9=x C) log23x=9\log _{23} x=9 D) log923=x\log _{9} 23=x

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Problem 2716

Change to an equivalent expression involving an exponent. logbr=s\log _{b} r=s A) b5=rb^{5}=r B) br=sb^{r}=s C) rb=sr^{b}=s D) rs=br^{s}=b

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Problem 2717

Ammonium nitrous, NH4NO2\mathrm{NH}_{4} \mathrm{NO}_{2} decomposes upon heating to form nitrogen gas and water. NH4NO2( s)N2( g)+2H2O(l)\mathrm{NH}_{4} \mathrm{NO}_{2}(\mathrm{~s}) \rightarrow \mathrm{N}_{2}(\mathrm{~g})+2 \mathrm{H}_{2} \mathrm{O}(\mathrm{l})
When a sample of NH4NO2\mathrm{NH}_{4} \mathrm{NO}_{2} was heated and decomposed, 0.522 L of nitrogen gas was collected over water at 26C26^{\circ} \mathrm{C} and 755 torr. If the vapour pressure of water is 25 torr at 26C26^{\circ} \mathrm{C}, calculate the mass of nitrogen gas collected. [5 mark

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Problem 2718

24) 3x+2y=83 x+2 y=8

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Problem 2719

R تيرين الارول: حل مل مادلات ثالية في a) 3x+5=5x123 x+5=-5 x-12 b) 5(x2)=7(4x9)5(x-2)=7(4 x-9) c) (3x+10)(6x+3)=0(3 x+10)(6 x+3)=0 d) 81x2=6481 x^{2}=64 e) x(3x7)(2x+4)=0x(3 x-7)(-2 x+4)=0 f) (3+x)2=100(3+x)^{2}=100 a) 3x>53 x>5 b) 4x+7<2x84 x+7<-2 x-8 c) 3(x5)2(x+3)3(x-5) \geq 2(x+3) e) 2(13x)4x+72(1-3 x) \geq 4 x+7

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Problem 2720

A rectangular garden bed measures 24 feet by 10 feet. A water faucet is located at one corner of the garden bed. A hose will be connected to the water faucet. The hose must be long enough to reach the opposite comer of the garden bed when stretched straight. Find the required length of hose.
The required length of the hose is \square \square (Type an exact answer using radicals as needed.)

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Problem 2721

28C-28^{\circ} \mathrm{C}^{\prime} de saklanan bir ürün sıcak bir ortama çł karılarak 5 dakika bekletiliyor. Süre sonunda bu ürünün sıcaklığı +2C+2^{\circ} \mathrm{C} oluyor. Geçen sürede her bir dakikadaki sıcaklık artışı sabit olduğuna göre, bu ürünün bir dakikadaki sıcaklık artışı kaç C{ }^{\circ} \mathrm{C} 'dir? A) 8 B) 6 C) 5 D) 4

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Problem 2722

48+5a=1848+-5 a=18

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Problem 2723

BMicrosoff Teams
Nereo wants to solve 49+26249+262. So he adds 50+262+150+262+1 to solve in his head. Is Nereo's nesult equal to 49+26249+262 ? Chosece 1 anower (c) Yes. 49+262=50+262+149+262=50+262+1. (C) Na,49+262>50+262+1\mathrm{Na}, 49+262>50+262+1. (C) No,49+262<50+262+1\mathrm{No}, 49+262<50+262+1.

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Problem 2724

A cylinder of mass 2500 g has circular ends of radius 14 cm . If the cylinder is made of metal of density 2.5 g/cm32.5 \mathrm{~g} / \mathrm{cm}^{3}, calculate the height of the cylinder. b) Five liters of fresh water (density 1 g/cm31 \mathrm{~g} / \mathrm{cm}^{3} ) is added to 4 liters of sea water (density 1.25 g/cm31.25 \mathrm{~g} / \mathrm{cm}^{3} ). What is the density of the mixture?

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Problem 2725

10pts...DETERMINE SLOPE &x/y\& x / y INTERCEPTS (Show Work...Check as Needed) y=mx+by=m x+b 4) f(x)=6x+24f(x)=6 x+24 5) 3x4y=123 x-4 y=-12 y=34x+by=\frac{3}{4} x+b

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Problem 2726

Division Word Problems with Remainders, Part 1 - Quiz - Level D
Mr. Lin has 10 baseballs. His gym class makes 4 teams. Mr. Lin gives the teams as many baseballs as he can, and each team gets the same number of baseballs. How many baseballs does Mr. Lin give each team? How many baseballs are left? 10÷410 \div 4 Mr. Lin gives each team \square balls. \square balls are left.

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Problem 2727

Zoe has 14 strawberries to put in 3 lunch bags. She puts the same number or berries in each bag, and she puts in as many berries as she can. How many berries does Zoe put in each bag? How many berries are left? counters
10
10 \because \because :::: C Zoe puts ? berries in each bag. ? berries are left.

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Problem 2728

Replace the quantity S\mathbf{S} by its numerical value in the text below. Question 1: Solve the following equations: b) 52a+16a3a=49\frac{5}{2 a}+\frac{1}{6 a}-\frac{3}{a}=49

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Problem 2729

Select Multiple Answers
Level 3
Which problem could be solved by adding: 80÷20=80 \div 20=\square ? Choose more than one answer.
Max has saved $20\$ 20 from cutting (A) lawns. He needs $80\$ 80 altogether to buy a new tablet. How much more money does he need?
Max earned $80\$ 80 from cutting lawns over the summer. He has also
B saved $20\$ 20 from his allowance. How much more money did he get from cutting lawns than from his allowance?
Max paid for a new tablet using $20\$ 20 that he earned from doing chores (C) and $80\$ 80 that he got from his grandparents. How much was the tablet?
Max saved $20\$ 20 by the end of June.
D Then he earned $80\$ 80 from cutting lawns over the summer. How much money does he have now? MacBook Pro

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Problem 2730

8. Two business partners Nzau and Masese contributed sh. 112,000 and sh 128,000 respectively, to start a business. They agree to share their profits as follows; 30%30 \% to be shared equally 30%30 \% to be shared in the ratio of their contributions 40%40 \% to be retained for the running of the business. If their total profit for the year 1989 was sh. 86400 calculate i) The amount received by each partner ii) The amount retained for running the business

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Problem 2731

Mail - Mayas Word School Knowle Home book t. whate www.g Netflix app.knowledgehook.com/app/student/0e792712-4778-ef11-9a43-0050569ebc32/gameplay/mission/548d12b5-6086-ef11-9a44-0050569. New Chrome available Level 3
Luke has 350 friends on a social media site. His younger brother
Which problem could be solved by subtracting: 35070=[]350-70=[] ? Choose more than one (A)
Oliver has only 70 friends. How many more friends does Oliver need to have the same as his brother?
Luke has 350 friends on a social media site. His younger brother B
Oliver has 70 friends, which are all different from Luke's. How many different friends do they have altogether?
Luke has 350 friends on a social media site. His younger brother c) Oliver has only 70 friends. How many more friends does Luke have than Oliver?
Luke had 350 friends on a social D media site. Then he de-friended 70 of them. How many friends does he have now? MacBook Pro

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Problem 2732

9. A Kenyan businessman owes US $100,000\$ 100,000 to a company in the United States of America. The Kenyan can either pay through his account in Kenya or through his account in the United Kingdom. Which method is cheaper and by how much? (Give your answer in Kenyan shillings given that:1 US doilar = 28.74 Kenyan shillings. 1 Sterling pound =1.79 US dollar 1 Sterling pound =50.80=50.80 Kenyan shillings

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Problem 2733

10. The cost of a car outside Kenya is US $5,000\$ 5,000. You intended to buy one such car through an agent who deals in Japanese Yen. The agent will charge you 20\% commissions on the price of the car and a further 80,325 Japanese Yen for shipment of the car. How many Kenya shillings will you need to send to the agent to obtain the car, given that: 1US$=105.00Yen1US$=Ksh63.001 \mathrm{US} \$=10 \overline{5} .00 \mathrm{Yen} 1 \mathrm{US} \$=\mathrm{Ksh} \overline{6} \overline{3} . \overline{0} \overline{0}

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Problem 2734

Lily has $500\$ 500 in a savings account that earns 10%10 \% annually. The interest is not compounded. How much will she have in total in 1 year?
Use the formula i=prti=p r t, where ii is the interest earned, pp is the principal (starting amount), rr is the interest rate expressed as a decimal, and tt is the time in years. \$

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Problem 2735

13. Three partners Amina, Bosire and Karuri contributed a total of Ksh 4800000 in the ratio 4:5:74: 5: 7 to buy an 8 hectares piece of land. The partners set aside 1/41 / 4 of the land for social amenities and sub-divided the rest into 15 m by 25 m plots. a) Find: i) the amosint of money contributed by Karuri; ii) the number of plots that were obtained. b) The partners sold the plots at Ksh 50000 each and spent 30%30 \% of the profit realized to pay for administrative costs. They shared the rest of the profit in the ratio of their contributions. Calculate the net profit realized. c) Find the difference in the amount of the profit earned by Amina and Bosire.

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Problem 2736

15. A square room is covered by a number of whole rectangular slabs of sides 60 cm by 42 cm . Calculate the least possible area of the room in square metres.

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Problem 2737

Solve the equation. xx29x+4x23x=6x2+3x\frac{x}{x^{2}-9}-\frac{x+4}{x^{2}-3 x}=\frac{-6}{x^{2}+3 x}
Select the correct choice below and fill in any answer boxes in your choice. A. The solution set is \square - (Simplify your answer.) B. There is no solution.

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Problem 2738

Find the real solutions of the equation. 4+2x+7=x4+\sqrt{2 x+7}=x
Select the correct choice below and, if necessary, fill in the answer box to complete your answer. A. The solution set is \square \}. (Simplify your answer. Use a comma to separate answers as needed.) B. The solution is the empty set.

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Problem 2739

Samantha is a salesperson. She sold a chalkboard for $63.45\$ 63.45 and earned 20%20 \% commission. How much commission did Samantha earn? \ \square$

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Problem 2740

Austin ate dinner at a restaurant. The bill came to $14\$ 14. If he left an 18%18 \% tip, what was the total cost of his dinner? \$

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Problem 2741

Example - Determine the average shear stress in the 20 mm -diameter pin at AA and the 30mm30-\mathrm{mm}-diameter pin at BB that support the beam AB . - First - Find reactions in the pins

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Problem 2742

On May 1, the home mortgage balance was $288,000\$ 288,000 for the home owned by Linda Clark. The interest rate for the loan is 7.2 percent. Assuming that Linda makes the May monthly mortgage payment of $2880\$ 2880, calculate the following: (a) The amount of interest included in the May payment (round your answer to the nearest cent). (b) The amount of the monthly mortgage payment that will be used to reduce the principal balance. (c) The new balance after Linda makes this monthly mortgage payment. (a) Interest amount: \square (b) Principal reduction: \ \square$ (c) New balance:

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Problem 2743

10. On a joumey a bus takes 35 minutes to travel the first 10 kilometres. It then travels a further 20 kilometres in the next 40 minutes. (a) The bus started the journey at 1850 .
At what time did it complete the journey? * 35+400=75=1hr15 min35+\overline{40_{0}}=75=1 \mathrm{hr} 15 \mathrm{~min} * 18 : 50 +1:1514:65\frac{+1: 15}{14: 65}
Answer (a). \qquad (b) Calculate the average speed of the whole joumey in (i) kilometres/minute, S=PT=3075=615=25×2×4110=0.4 Answer (b) (i)..... 0.4\begin{array}{l} S=\frac{P}{T}=\frac{30}{75}=\frac{6}{15}=\frac{2}{5 \times 2} \times \frac{4}{\frac{1}{10}}=0.4 \\ \text { Answer (b) (i)..... } 0.4 \end{array} (ii) kilometreshour. 301.25=301÷125100=630+1004\begin{array}{l} \frac{30}{1.25}=\frac{30}{1} \div \frac{125}{100}= \\ 630+1004 \end{array}

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Problem 2744

Solving a distance, rate, time problem using a linear cquation
Two trains leave the station at the same time, one heading west and the other east. The westbound train travels at 60 miles per hour. The eastbound train travels at 80 miles per hour. How long will it take for the two trains to be 168 miles apart?
Do not do any rounding. \square hours

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Problem 2745

Dillon and Samantha work at two different grocery stores. Dillon made $41.50\$ 41.50 for working 5 hours and Samantha made $50.40\$ 50.40 for 6 hours. Who makes more money per hour?
Dillon Samantha Submit

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Problem 2746

When Mary bought her condominium, she got her mortgage through a bank. The mortgage was a personal, amortized loan for $98,000\$ 98,000, at an interest rate of 3.3%3.3 \%, with monthly payments for a term of 25 years. For each part, do not round any intermediate computations and round your final answers to the nearest cent. If necessary, refer to the list of financial formulas. (a) Find Mary's monthly payment. $481.00\$ 481.00 (b) If Mary pays the monthly payment each month for the full term, find her total amount to repay the loan. $144,300\$ 144,300 (c) If Mary pays the monthly payment each month for the full term, find the total amount of interest she will pay. $46,300\$ 46,300

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Problem 2747

4. A sign at a store says that 5 lemons cost $2.75\$ 2.75. a. How much would 15 lemons cost? 8.25 22.75+2.752.15\begin{array}{r}22.75 \\ +2.75 \\ 2.15 \\ \hline \\ \hline\end{array} b. How much would 7 lemons cost? Show or explain your thinking.

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Problem 2748

A 2 -yard roll of brown paper costs $0.25\$ 0.25. What is the unit price, rounded to the nearest nt? J) $\$ \square per yard Submit

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Problem 2749

Metropolis requires that for every 5 plots of land ushild for buildings, 2 plots of land be used for green space.
A company bought 133 plots of land. How many plots of land did they use for green space?

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Problem 2750

th grade X. 2 Unit prices UKD
A 7 -kilogram bag of gravel costs $4.41\$ 4.41. What is the unit price? \ \square$ per kilogram Submit Work it out Not feeling ready yet? These can help:

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Problem 2751

Homework 10 Begin Date: 11/3/2024 12:01:00 Aum Problem 3: ( 10%10 \% of Assignment Value) Suppose a child drives a bumper car head on into the side rail, which exerts a force of 3900 N on the car for 0.55 s . Use the initial direction of the car's motion as the positive direction. - Part (a) \checkmark
What impulse, in kilogram meters per second, is imparted to the car by this force? J=2145J=2145\begin{array}{l} J=-2145 \\ J=-2145 \end{array} \checkmark Correct!
Part (b) Find the horizontal components of the final velocity of the bumper car, in meters per second, if its initial velocity was 2.5 m/s2.5 \mathrm{~m} / \mathrm{s} and the car plus driver have a mass of 190 kg . You may neglect friction between the car and floor. vf=13.79v_{\mathrm{f}}=-13.79 \begin{tabular}{lr} \hline Grade Summary & \\ \hline Deductions & 0%0 \% \\ Potential & 100%100 \% \end{tabular} Submit Hint Feedback I give up!
3 Submission(s) Remaining Hints: 0%\underline{0 \%} deduction per hint. Hints remaining: 2 Feedback: 2 for a 0%0 \% deduction Check your signs. What should the sign of initial momentum be? Submission History All Date times are displayed in Eatern Standard Time Red submission date times indicate late work. \begin{tabular}{|c|c|c|c|c|c|} \hline & Date & Time & Answer & Hints & Feedback \\ \hline 1 & Nov 16, 2024 & 1.26 PM & vp=13.79v_{p}=13.79 & & Check your signs. What should the sign of impulse imparted be? \\ \hline 2 & Nov 16, 2024 & 1:31 PM & vf=13.79vf=13.79\begin{array}{l} v_{\mathrm{f}}=-13.79 \\ v_{\mathrm{f}}=-13.79 \end{array} & & Check your signs. What should the sign of initial momentum be? \\ \hline \end{tabular} All content O 2024 Expert TA, LLC

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Problem 2752

In the triangle below, suppose that mG=(x+6),mH=(7x+4)m \angle G=(x+6)^{\circ}, m \angle H=(7 x+4)^{\circ}, and mI=(2x)m \angle I=(2 x)^{\circ}. Find the degree measure of each angle in the triangle. mG=mH=mI=\begin{array}{l} m \angle G=\square^{\circ} \\ m \angle H=\square^{\circ} \\ m \angle I=\square^{\circ} \end{array}

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Problem 2753

What are xx and yy in this 30-60-90 triangle? x=6y=32x=6 y=3 \sqrt{ } 2 x=6y=33x=6 y=3 \sqrt{ } 3 x=33y=6x=3 \sqrt{ } 3 y=6 x=32y=3x=3 \sqrt{ } 2 y=3

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Problem 2754

Solve. 6x223x=8-6 x^{2}-2-3 x=-8

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Problem 2755

Debbie rides her bike to school every day. On Monday, she rode 1.5 miles to school in 10 minutes. On her way home, she took a different route through a park, and rode 3 miles in 15 minutes. On which route did Debbie ride at a faster pace? going to school going home
Submit
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Problem 2756

Video
Abigail is buying new chairs to upgrade her restaurant. A set of 6 wooden chairs costs $444\$ 444. A set of 8 metal chairs costs $720\$ 720. How much more do the metal chairs cost per chair? \ \square$ per chair Submit

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Problem 2757

For Problems 1-5. start by drawing an arrow for the first addend in the sum. Draw two arrows to represent this addition calculation. Then. complete the equation. 5+3=5+3=
Draw two arrows to represent this addition calculation. Then. complete the equation. 5+3=5+-3=
3 Draw two arrows to represent this addition calculation. Then. complete the equation. 5+3=-5+-3=
Draw two arrows to represent this addition calculation. Then. complete the equation. 5+3=-5+3=
Draw two arrows to represent this addition calculation. Then. complete the equation. 3+5=23+-5=-2
6 The calculations in Problems 4 and 5 show that addition of integens is

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Problem 2758

The test statistic of z=2.08z=2.08 is obtained when testing the claim that p0.621p \neq 0.621. a. Identify the hypothesis test as being two-tailed, left-tailed, or right-tailed. b. Find the P-value. c. Using a significance level of α=0.05\alpha=0.05, should we reject H0H_{0} or should we fail to reject H0H_{0} ?
Click here to view page 1 of the standard normal distribution table. Click here to view page 2 of the standard normal distribution table. a. This is a \square two-tailed test. b. PP-value == \square 0.038 (Round to three decimal places as needed.) c. Choose the correct conclusion below. A. Fail to reject H0H_{0}. There is not sufficient evidence to support the claim that p0.621p \neq 0.621. B. Fail to reject H0H_{0}. There is sufficient evidence to support the claim that p0.621p \neq 0.621. C. Reject H0H_{0}. There is sufficient evidence to support the claim that p0.621p \neq 0.621. D. Reject H0\mathrm{H}_{0}. There is not sufficient evidence to support the claim that p0.621\mathrm{p} \neq 0.621.

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Problem 2759

4. I fost food chain surveyed a random sampie of students to delermine what pizzo they prefer zased on the results, how many of the 340 siudents cari be expected to prefer cheese pizzc? \begin{tabular}{|c|c|} \hline ACTIVITY & \begin{tabular}{c} \#OF \\ STUDENTS \end{tabular} \\ \hline Cheese & 40 \\ \hline Pepperoni & 28 \\ \hline \end{tabular}

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Problem 2760

The cost of a soccer ball to Soccer Line Sports Goods is $45\$ 45. They sell the same soccer ball for $54\$ 54. Determine the percent markup in the price of the soccer ball.
The markup is \square \%.

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Problem 2761

103=10^{3}=
Submit

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Problem 2762

3
TB MC Qu. 9-171 (Algo) An asset is An assel is purchased on January I for $41,700\$ 41,700. II is expected to have a useful life of five years after which it will have an expected residual value of $5.400\$ 5.400. The company uses the straight-line method. If it is sold for $30,800\$ 30,800 exactly two years after it is purchased, the company will record a:

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Problem 2763

3. Nicotine CxHy Nz\mathrm{C}_{x} \mathrm{H}_{y} \mathrm{~N}_{z} is a harmful compound. It affects the respiratory system and nervous system with many problems. It causes many diseases. The analysis of nicotine shows that the %\% by mass of carbon is 74.07%74.07 \% where 32.4 g nicotine contains 2.8 g hydrogen. Given: Molar masses (g. mol1\mathrm{mol}^{-1} ): N-14, C-12, H-1. Avogadro's number: NA=6×1023\mathrm{N}_{\mathrm{A}}=\mathbf{6} \times 10^{23} particles / mol. 3.1- Determine the %\% by mass of hydrogen and nitrogen in nicotine. 3.2- Determine the empirical formula of nicotine. 3.3- Show that the molecular formula of nicotine is C10H14 N2\mathrm{C}_{10} \mathrm{H}_{14} \mathrm{~N}_{2} if MNiootine =162 g mol1\mathrm{M}_{\text {Niootine }}=162 \mathrm{~g} \cdot \mathrm{~mol}^{1}. 3.4 A cigarette contains 16.2 g of nicotine. Determine the number of carbon and hydrogen atoms present in the above mass.

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Problem 2764

(i) Ind 05(x+1)dx\int_{0}^{5}(x+1) d x as himit (ii) 11exdx\int_{-1}^{1} e^{x} d x as himit of sum (iii) Craburte 0111+x2dx\int_{0}^{1} \frac{1}{1+x^{2}} d x

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Problem 2765

Eva is saving money for a vacation. She plans to save a fixed amount of money each month. Her initial deposit into the account is $500\$ 500, and she will save $100\$ 100 per month. How many months will it take her to save for a $1,300\$ 1,300 vacation? (1 point) 0.3 month 8 months 2.4 months 18 months

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Problem 2766

The following lots of Commodity ZZ were available for sale during the year. \begin{tabular}{ll} Beginning inventory & 10 units at $30\$ 30 \\ First purchase & 25 units at $32\$ 32 \\ Second purchase & 30 units at $34\$ 34 \\ Third purchase & 10 units at $35\$ 35 \end{tabular}
The firm uses the periodic inventory system, and there are 20 units of the commodity on hand at the end of the year. What is the ending inventory balance of Commodity ZZ using the weighted average cost method? a. $620\$ 620 b. $690\$ 690 c. $659\$ 659 d. $655\$ 655

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Problem 2767

5x23x-5x - \frac{2}{3}x

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Problem 2768

The following lots of Commodity Z\mathbf{Z} were available for sale during the year.
Beginning inventory First purchase Second purchase Third purchase
10 units at \$30 25 units at \$32 30 units at \$34 10 units at \$35
The firm uses the periodic inventory system, and there are 20 units of the commodity on hand at the end of the year. What is the ending inventory balance of Commodity Z using LIFO? a. $620\$ 620 b. $659\$ 659 c. $655\$ 655 d. $690\$ 690

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Problem 2769

On January 1, Mallory Company issued $400,000\$ 400,000 of 8%,58 \%, 5-year bonds when the market rate of interest was 6%6 \%. The bonds were issued for $433,698\$ 433,698 and interest will be paid annually on December 31 . How much premium amortization will Mallory record on the first interest payment date using the effective-interest method?
Multiple Choice \$26,021.88 \$32,000 \$0 \$5,978.12

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Problem 2770

2a34a=2 a-\frac{3}{4} a=

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Problem 2771

Which logarithmic equation is equivalent to 32=9?3^{2}=9 ? 2=log392=\log _{3} 9 2=log932=\log _{9} 3 3=log293=\log _{2} 9 3=log823=\log _{8} 2

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Problem 2772

At the beginning of the year, Norwood Pass Industries had $240,000\$ 240,000 in total assets and a debt-to-assets ratio of 0.5 or 50%50 \%. During the year, Norwood's assets increased by $80,000\$ 80,000, and its liabilities increased by $72,000\$ 72,000. What is the debt-to-assets ratio at the end of the year?
Multiple Choice 0.9 or 90%90 \% 0.6 or 60%60 \% 0.4 or 40%40 \% 1.7 or 170%170 \% Prev 19 of 53 Next

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Problem 2773

log2(3x+1)log22=3\log _{2}(3 x+1)-\log _{2} 2=3

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Problem 2774

Write an equation for the function graphed above. g(v)=(v2)2+4g(v)=-(v-2)^{2}+4
Round to 4 decimal places as needed.

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Problem 2775

Avalon Industries buys equipment for $60,000\$ 60,000, expects to use it for six years, and then sell it for $6,000\$ 6,000. Using the straight-line method, the company should report annual depreciation for the equipment of:
Multiple Choice \$20,500. \$9,000. \$18,000. \$10,000.

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Problem 2776

Addison, Inc. uses a perpetual inventory system. Information about one inventory item for the month of September follows. Sep. 1 Inventory 20 units at $20\$ 20 4 Sold 10 units 10 Purchased 30\quad 30 units at $25\$ 25 17 Sold 20 units 30 Purchased 10 units at \30IfAddisonusesFIFO,theSeptember30inventoryisa.30 If Addison uses FIFO, the September 30 inventory is a. \650 650 b. $700\$ 700 c. $750\$ 750 d. $800\$ 800

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Problem 2777

Peppertree Company's financial statements on December 31, 2024, showed the following: Net Sales Fixed Assets, January 1 Fixed Assets, December 31 Total Assets, January 1 $550,000$146,000$134,000$194,000$200,000\begin{array}{ll} \$ 550,000 \\ \$ & 146,000 \\ \$ & 134,000 \\ \$ & 194,000 \\ \$ & 200,000 \end{array}
Total Assets, December 31 What is the fixed asset turnover for 2024?
Multiple Choice 3.93 4.10 2.79 2.60

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Problem 2778

Compute the gross profit for Jefferson Company based on the following: Sales Selling expenses \$764,000
Cost of goods sold 42,500 a. $183,500\$ 183,500 b. $721,500\$ 721,500 c. $495,500\$ 495,500 d. $226,000\$ 226,000

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Problem 2779

8
Ahmed sells different types of cake in his shop. The cost of each cake depends on its type and its size. Every small cake costs $x\$ x and every large cake costs $(2x+1)\$(2 x+1). (a) The total cost of 3 small lemon cakes and 2 large lemon cakes is $12.36\$ 12.36.
Find the cost of a small lemon cake. 3x+2(2x+1)3x+4x+2\begin{array}{l} 3 x+2(2 x+1) \\ 3 x+4 x+2 \end{array} 3x+4x+27x+2=12.367x=12.3627x=10.363 x+4 x+2 \quad 7 x+2=12.36 \quad 7 x=12.36-2 \quad 7 x=10.36 combine like terms 7x+27 x+2 5 \qquad [3] (b) The cost of 18 small chocolate cakes is the same as the cost of 7 large chocolate cakes. Find the cost of a small chocolate cake. \$ [3]
The number of small cherry cakes that can be bought for $4\$ 4 is the same as the number of large cherry cakes that can be bought for $13\$ 13.
Find the cost of a small cherry cake.

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Problem 2780

Solve the equation 8z26z9=08 z^{2}-6 z-9=0. Answer: z=z= \square
Write your answers as a list of integers or reduced fractions, with your a For example, if you get 4 and 23-\frac{2}{3} as your answers, thren enter 4,2/34,-2 / 3 in

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Problem 2781

Subtract. Write your answer as a fraction or as a 18712813=18 \frac{7}{12}-8 \frac{1}{3}= \square Submit

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Problem 2782

1213329=12 \frac{1}{3}-3 \frac{2}{9}=

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Problem 2783

If x=4x=-4 is a solution for x22x+c=0x^{2}-2 x+c=0 then the other solution is= a. 6 b. -6 C. -2 d. 2

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Problem 2784

9 (a)
NOT TO SCALE The difference between the perimeters of the two shapes is k cmk \mathrm{~cm}. Find the value of kk. You must show all your working. k=k= [6]

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Problem 2785

Vox Pop
Une voiture sport accélère du repos jusqu'à 50 km/h50 \mathrm{~km} / \mathrm{h} en 1,5 s1,5 \mathrm{~s}. Combien lui faut-il de temps pour accélérer du repos jusqu'à 100.km/h100 . \mathrm{km} / \mathrm{h} ? (On suppose que la puissance du moteur est constante et indépendante de la vitesse et qu'on néglige le frottement.) A. 2 s B. 3 s C. 4,5 s4,5 \mathrm{~s} D. 6 s

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Problem 2786

It takes two scoops of detergent for every three scoops of fabric softener. If there are 28 scoops of detergent remaining, how many scoops of fabric softener will be needed? (CManeuvering the Middle LLC, 2015

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Problem 2787

nential \& Logarithmic Equations Question 17, 4.5.57 HW Score: 70.09%,16470.09 \%, 164 of 234 points Points: 0 of 10
Solve for xx log8x+log8(x12)=2\log _{8} x+\log _{8}(x-12)=2
Select the correct choice below and, if necessary, fill in the answer box to complete your choice. O A. The solution set is (Simplify your answer. Type an integer or a decimal. Use a comma to separate answers as needed) B. The solution is the empty set.

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Problem 2788

11 (b) A car completes a 200 km journey at an average speed of x km/hx \mathrm{~km} / \mathrm{h}. The car completes the return journey of 200 km at an average speed of (x+10)kmh(x+10) \mathrm{km} \mathrm{h}. (i) Show that the difference between the time taken for each of the two journeys is 2000x(x+10)\frac{2000}{x(x+10)} hours. (ii) Find the difference between the time taken for each of the two journeys when x=80x=80. [3]
Give your answer in minutes and seconds. min ss [3]

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Problem 2789

27) A cubic box has sides of length 8.0 cm . What is the maximum number of pulverized spherical balls of diameter 1.5 cm that can fit inside the closed box (Vsphere =4/3πr3)\left(V_{\text {sphere }}=4 / 3 \pi r^{3}\right) ?

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Problem 2790

The circle graph shows the number of times a group of survey respondents watched the news in the past week. Use the chart to answer the question.
If the number of respondents in the study was approximately 25,000 , how many stated that they watched the news 5-6 times in the last week? A) 850 respondents B) 450 respondents C) 8500 respondents D) 4500 respondents

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Problem 2791

The ratio an a keyboard of number keys to letter keys is 5:135: 13. If a marufocturer produced 156 letter kers, then how many number keys would need to be produced?
Ariano is baking chocolate chip cookies for a bake sale. For every 3 cups of flour, she needs 2 cups of sugar. How many cups of sugar will she need if she has measured 18 cups of flour?
Walter is fencing in his backyard. For every 25 fence boards, he needs 3 metal posts. How mary metal posts wit he need for 200 fence boards?
Frametastic produces rectangular picture frames. The ratio of the length to the width in inches is 7:57: 5. What would be the length of a frame that is 15 inches wide?

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Problem 2792

Walter is fencing in his backyard. For every 25 fence boards, he needs 3 metal posts. How many metal posts will he need for 200 fence boards? (c)Maneuvering the Middle LLC, 2015

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Problem 2793

Jack and Jill are saving for their first car. Jack saves $7\$ 7 for every $10\$ 10 Jill saves. If Jill has $350\$ 350 in her savings account, then how much money has Jack saved? OManeuvering the Midele LCC 25

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Problem 2794

(7) If log4(12)=x\log _{4}\left(\frac{1}{2}\right)=x, then the value of xx equal : a. 2 c. 0.25 b. 0.5 (d.) -0.5 (8) If y=3ax+3y=3 a x+3 and y=x121y=\frac{-x}{12}-1 are two perpendicular lines, then the value of aa is: (a) 4 3a1+12=t3 a \cdot \frac{1+}{12}=t^{\prime} b. -4 c. 0.25 d. -0.25

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Problem 2795

The price of a condominium is $142,000\$ 142,000. The bank requires a 5%5 \% down payment and one point at the time of closing. The cost of the condominium is financed with a 30 -year fixed-rate mortgage at 8%8 \%. Use the following formula to determine the regular payment amount. Complete parts (a) through (e) below. PMT=P(rn)[1(1+rn)nt]P M T=\frac{P\left(\frac{r}{n}\right)}{\left[1-\left(1+\frac{r}{n}\right)^{-n t}\right]} \1,349(Roundtothenearestdollarasneeded.)d.Findthemonthlypayment(excludingescrowedtaxesandinsurance). 1,349 (Round to the nearest dollar as needed.) d. Find the monthly payment (excluding escrowed taxes and insurance). \990 990 (Round to the nearest dollar as needed.) e. Find the total cost of interest over 30 years. \ \square$ (Round to the nearest dollar as needed.)

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Problem 2796

C) 3x+21x=15x\frac{3}{x+2}-\frac{1}{x}=\frac{1}{5 x}

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Problem 2797

Advice from most financial advisers states to spend no more than 28%28 \% of one's gross monthly income for one's mortgage payment, and to spend no more than 36%36 \% of one's gross monthly income for one's total monthly debt. Suppose a family has a gross annual income of $36,000\$ 36,000. a. What is the maximum amount the family should spend each month on a mortgage payment? b. What is the maximum amount the family should spend each month for total credit obligations? c. If the family's monthly mortgage payment is 60%60 \% of the maximum they can afford, what is the maximum amount they should spend each month for all other debt? a. The maximum monthly mortgage payment should be $\$ \square b. The maximum monthly total credit obligations should be $\$ \square c. The maximum amount they should spend monthly on all other debt is $\$ \square

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Problem 2798

Ivanna is saving money to buy a bike. She has $63\$ 63 and is going to save an additional $9\$ 9 each week. The bike costs $198\$ 198. In how many weeks will she have enough money to buy the bike? (a) Write an equation that could be used to answer the question above. First, choose the appropriate form. Then, fill in the blanks with the numbers 63,9, and 198. Let ww represent the number of weeks.
\square \square \square
\square w=w-\square= \square w+w+ \square (b) Solve the equation in part (a) to find the number of weeks. w=w=\square

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Problem 2799

Destiny performs a hypothesis test on a population with μ=115\mu=115 and σ=30\sigma=30. Her sample size is 25 with a mean of 120.4. Which of the following correctly depicts the zz-statistic for this data? 0.04 0.90 3.53 3.93

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Problem 2800

Jane is saving money to buy a bike. She has $42\$ 42 and is going to save an additional $7\$ 7 each week. The bike costs $133\$ 133. In how many weeks will she have enough money to buy the bike? (a) Write an equation that could be used to answer the question above. First, choose the appropriate form. Then, fill in the blanks with the numbers 42, 7, and 133. Let ww represent the number of weeks. w+=\square w+\square=\square
\square \square ww == (b) Solve the equation in part (a) to find the number of weeks. w=w=\square

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