Solve

Problem 30301

How many kilojoules of heat energy are absorbed by 0.750 pint of water heated from room temp to boiling?

See Solution

Problem 30302

Calculate the perimeter of parallelogram $ABCD$ with vertices $A(1,7)$ , $B(5,4)$ , $C(0,-5)$ , and $D(-4,-2)$ .

See Solution

Problem 30303

Calculate the perimeter of parallelogram $ABCD$ with vertices $A(1,7)$ , $B(5,4)$ , $C(0,-5)$ , and $D(-4,-2)$ .

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Problem 30304

How many pairs of shoes are in total at both stores if Orem has 8,947 and Provo has 12,783? Calculate: $8,947 + 12,783$ .

See Solution

Problem 30305

A rectangle has area $A = 25 \mathrm{in}^2$ . If $w = 10$ in, find $l$ . If $w = 15$ in, find $l$ . Rearrange $A = lw$ for $l$ .

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Problem 30306

Calculate the heat needed to raise the temperature of an $8.21 \mathrm{~g}$ gold sample by $6.2^{\circ} \mathrm{C}$ with specific heat $0.13 \mathrm{~J} / \mathrm{g}^{\circ} \mathrm{C}$ .

See Solution

Problem 30307

解不等式 $2x - 6 > -16$ 和 $3x - 10 \leq 8$ 。

See Solution

Problem 30308

What is 32,408 in base ten? (A) 32,480 (B) 32,408 (C) 30,248 (D) 30,240

See Solution

Problem 30309

How much will the temperature of a 15.4 g silver sample increase if 40.5 J of heat is added? (Specific heat: 0.235 J/g°C)

See Solution

Problem 30310

Find the value of $f(7)$ for the function $f(x)=2 x^{2}-6$ .

See Solution

Problem 30311

Graph the solution to the inequality: $5x - 17 > 8$ or $-4x - 2 \leq 6$ .

See Solution

Problem 30312

How many more tickets did the Felines sell than the Canines if they sold 6,224 and 4,038 tickets respectively?

See Solution

Problem 30313

Find the base $b$ of a triangle when the area $A=100$ and height $h=20$ using $A=\frac{1}{2} b h$ .

See Solution

Problem 30314

Cindy paid \$241.80 in extra charges at \$20.15 per pound. How many pounds did her luggage exceed the limit?

See Solution

Problem 30315

How many thorium atoms (240 pm radius) fit in a distance of $1.40 \mathrm{~mm}$ ?

See Solution

Problem 30316

Graph the elevations where the service elevator doesn't stop: solve the inequality $4 < \frac{x}{15} < 16$ for $x$ .

See Solution

Problem 30317

Find the base $b$ of a triangle with area $A=100$ and height $h=20$ using the formula $A=\frac{1}{2} b h$ .

See Solution

Problem 30318

Find sums or differences that equal 12,492: $8,572+3,920$ , $7,279+5,203$ , $4,100+8,392$ , $15,728-3,246$ , $19,412-6,920$ .

See Solution

Problem 30319

Factor the polynomial $x^{3}+3 x^{2}-4 x-12$ .

See Solution

Problem 30320

Calculate the specific heat capacity of $25.0 \mathrm{~g}$ of mercury heated from $25.0^{\circ} \mathrm{C}$ to $155^{\circ} \mathrm{C}$ with 455 J.

See Solution

Problem 30321

Calculate the temperature change of a 19.0 g aluminum can when 55 J of heat is added, using specific heat 0.903 J/g°C.

See Solution

Problem 30322

Find the derivative of the function $y=\frac{\sin x+\cos x}{x}$ .

See Solution

Problem 30323

Find the volume in cubic centimeters $\left(\mathrm{cm}^{3}\right)$ of a single thorium atom, assuming it's a sphere.

See Solution

Problem 30324

Mr. Olson had $16 \mathrm{~L}$ of paint. After using $3 \mathrm{~L} 250 \mathrm{ml}$ and $80\%$ of the rest, how much is left?

See Solution

Problem 30325

Calculate how many thorium atoms (240 pm radius) are needed to span $1.40 \mathrm{~mm}$ .

See Solution

Problem 30326

Find the derivative $f^{\prime}(\pi)$ for the function $f(x)=\frac{1}{1+\cos x}$ .

See Solution

Problem 30327

Calculate $(-8)^{2}$ . What is the result?

See Solution

Problem 30328

A car's tank is $80\%$ full. After using $30\%$ of that fuel, it needs 19 gallons to fill up. Find the tank's full capacity.

See Solution

Problem 30329

Calculate $(-7)^{2}$ . What is the result?

See Solution

Problem 30330

A group of hikers descended 1,200 feet in 3 hours. What was the change in elevation per hour? Answer: 400.

See Solution

Problem 30331

Calculate $\left(\frac{3}{8}\right)^{2}$ .

See Solution

Problem 30332

Find the weight of one mole of pennies if a dozen weigh $6.022 \times 10^{23}$ grams.

See Solution

Problem 30333

Solve the inequality $-5z + 6 \geq -3z - 4$ and express the solution in interval notation.

See Solution

Problem 30334

Find the average cost per item given the cost function $C(x)=18x+1400$ for producing 100 items. What is the average cost?

See Solution

Problem 30335

Find the value of the variable var after executing: var = 100; var = var + 100; var = var + var.

See Solution

Problem 30336

Determine the slope, $m$ , of the tangent line to the curve $y=7+5 x^{2}-2 x^{3}$ at $x=a$ .

See Solution

Problem 30337

Calculate the value of $4 + 8 \cdot 4$ . What is the result?

See Solution

Problem 30338

See Solution

Problem 30339

The temperature starts at $-14^{\circ} \mathrm{C}$ and drops $5^{\circ} \mathrm{C}$ , $3^{\circ} \mathrm{C}$ , and $1^{\circ} \mathrm{C}$ . What's the final temperature?

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Problem 30340

Evaluate: $-8 + 2 \cdot 5^{2} - 7 =$

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Problem 30341

Miguel borrowed \$500 at 6.5\% simple interest for 6 months. What is the interest amount?

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Problem 30342

Find the percentage equivalent of $\frac{7}{4}$ . Options: (A) 1.75%, (B) 12.75%, (C) 175%, (D) 1775%.

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Problem 30343

Solve the inequality $x + 1 \geq 5$ and express the solution in interval notation.

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Problem 30344

Evaluate: $7 - 5(8 + 6) =$

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Problem 30345

What is the weight in grams of 1 mole of silver atoms, given that one silver atom weighs $1.79 \times 10^{-22}$ grams?

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Problem 30346

Find the value of $\csc (-1305)$ .

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Problem 30347

Divide 1.9 by 0.76.

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Problem 30348

Find the weight of 12 silver atoms given that one silver atom weighs $1.79 \times 10^{-22}$ grams.

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Problem 30349

Solve the inequality $x + 1 \geq 5$ and express the solution in interval notation.

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Problem 30350

Evaluate: $-36-6(6-10)^{2}=$

See Solution

Problem 30351

4,860 people visited a fair on Saturday, which was $20\%$ more than Friday. Find Friday's visitor count.

See Solution

Problem 30352

Evaluate: $(20 \div 5)^{3}+9^{2} \div 27$

See Solution

Problem 30353

Solve for $x$ : $\frac{220,000}{x+475}=0$

See Solution

Problem 30354

Evaluate: $-3+2\left[-1+\left(18 \div 3^{2}\right)\right]$

See Solution

Problem 30355

Calculate: $300.42 - \frac{15.96}{0.213} =$

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Problem 30356

Find the second least positive value (in radians) for $\beta$ given $11\pi/6$ and for $\gamma$ given $\tan(\gamma)=1$ .

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Problem 30357

Five 6th graders raced 3 miles. Johnny was 3rd in 34 min. Other times were -5, -3, +4 min. Find 5th place time.

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Problem 30358

If $\tan (\gamma)=1$ , what are the least and second least positive values of $\gamma$ in radians?

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Problem 30359

Calculate: $(15 \div 5)+3(9-7)^{2}=$

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Problem 30360

Find the distance traveled if speed is 45 miles/hour for 2/3 hour. Use $d = rt$ .

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Problem 30361

Calculate $(-5)^{3} + 15 \div 3$ . What is the simplified result?

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Problem 30362

Calculate $\frac{0.0180-0.0059}{0.03168}$ .

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Problem 30363

Find the complement of an angle measuring $39^{\circ} 1650^{\prime \prime}$ .

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Problem 30364

How many cm are in 1 yard if there are 2.54 cm per inch? Show your work without rounding.

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Problem 30365

A $28.4 \mathrm{~g}$ aluminum sample at $39.4{ }^{\circ} \mathrm{C}$ heats $50.0 \mathrm{~g}$ of water from $21.00^{\circ} \mathrm{C}$ to $23.00^{\circ} \mathrm{C}$ . Find aluminum's specific heat.

See Solution

Problem 30366

Evaluate a) $(-8)^{2}$ , b) $-(-8)^{2}$ , and c) $-8^{2}$ . What are the results?

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Problem 30367

Evaluate these expressions for $x = -8$ : a) $x^{2}$ , b) $-x^{2}$ , c) $(-x)^{2}$ .

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Problem 30368

What is the probability of correctly guessing a 5-digit PIN from a 10-key keypad on the first try? Use the multiplication rule.

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Problem 30369

What is the probability of guessing a correct 5-digit pin code from a 7-key keypad on the first try? Simplify your answer.

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Problem 30370

How many $\mathrm{Mm}$ are in 382 $\mathrm{dm}$ ?

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Problem 30371

Evaluate $-9z - 6$ for $z = 3$ . What is the result?

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Problem 30372

Evaluate the piecewise function $f(x)$ where $f(-9)$ and find $f(4)$ .

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Problem 30373

Evaluate $r^{2}-s^{2}$ for $r=-6$ and $s=-7$ . What is $r^{2}-s^{2}=?$

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Problem 30374

Calculate the distance between the points $(-6,-5)$ and $(2,0)$ .

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Problem 30375

Calculate the number of $\mathrm{CL}$ in $1.18 \times 10^{2} \mathrm{floz}$ .

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Problem 30376

Calculate $\left(\frac{4}{7}\right)^{2}$ .

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Problem 30377

Mix how many gallons of $80\%$ antifreeze with 60 gallons of $30\%$ antifreeze for a $70\%$ mixture? Use six steps.

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Problem 30378

Evaluate: $-3 + 2[-2 + (45 \div 3^{2})]$

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Problem 30379

In a jar, $30\%$ of the beads are red, and there are 500 more blue beads than red. Find the total number of beads.

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Problem 30380

Convert $4.65 \times 10^{7}$ yards to megameters (Mm). How many Mm is that?

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Problem 30381

Solve and write the sum in standard form: a. 1 thousandth + 2 thousandths = $=$ b. 35 thousandths + 8 thousandths = $=$ hundredths c. 6 tenths + 3 thousandths = $=$

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Problem 30382

Calculate $(-9)^{2}$ . What is the result?

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Problem 30383

A cyclist took 3 h to cycle from Town X to Town Y at 12 km/h. If speed increases by 3 km/h, how long will the journey take?

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Problem 30384

Solve the inequality $-4x > 8$ and express the solution in interval notation.

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Problem 30385

Evaluate: $-6 + 3 \cdot 5^{2} - 9 =$

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Problem 30386

Evaluate: $-33 - 6(6 - 10)^{2}$ . What is the result?

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Problem 30387

Calculate: $(4 \div 2) + 4(8-2)^{2}$ . What is the result?

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Problem 30388

Solve the inequality $-5 x \leq 30$ and express the solution in interval notation.

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Problem 30389

Find $f+g$ , $f-g$ , $fg$ , and $\frac{f}{g}$ for given functions $f(x)$ and $g(x)$ in three cases.

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Problem 30390

Evaluate $r^{2}-s^{2}$ for $r=-3$ and $s=-4$ . What is the result?

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Problem 30391

Find $f+g$ , $f-g$ , $fg$ , and $\frac{f}{g}$ for $f(x)=3x+4$ and $g(x)=2x-1$ .

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Problem 30392

Evaluate a) $x^{2}$ , b) $-x^{2}$ , and c) $(-x)^{2}$ for $x = -8$ . Find values for a), b), and c).

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Problem 30393

Calculate $3 + 9 \cdot 6$ . What is the result?

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Problem 30394

Evaluate: $(35 \div 7)^{3}+9^{2} \div 27$

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Problem 30395

Minimize the cost function $C(x, y) = 3000 + 600x^2 + 700y^2$ for pounds of sulfur ( $x$ ) and lead ( $y$ ) removed daily.

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Problem 30396

Convert $7.98 \times 10^{5}$ tons to gigagrams (Gg) and report the answer with 3 significant figures.

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Problem 30397

Find the implicit derivative of $y - \cos y = x + 1$ .

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Problem 30398

Peirson bought $4 \frac{1}{3}$ pounds of shrimp. On Wednesday, he bought double. On Friday, he used $\frac{D}{6}$ . How much did he use?

See Solution

Problem 30399

Evaluate: $7 - 5(9 + 8) =$

See Solution

Problem 30400

Convert $2.25 \times 10^{12}$ yards to $T m$ and report the answer to 3 significant figures.

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1 ...301 302 303 304 305 306 307 308

Solve

Problem 30301

How many kilojoules of heat energy are absorbed by 0.750 pint of water heated from room temp to boiling?

Problem 30302

Calculate the perimeter of parallelogram ABCDABCDABCD with vertices A(1,7)A(1,7)A(1,7), B(5,4)B(5,4)B(5,4), C(0,−5)C(0,-5)C(0,−5), and D(−4,−2)D(-4,-2)D(−4,−2).

Problem 30303

Calculate the perimeter of parallelogram ABCDABCDABCD with vertices A(1,7)A(1,7)A(1,7), B(5,4)B(5,4)B(5,4), C(0,−5)C(0,-5)C(0,−5), and D(−4,−2)D(-4,-2)D(−4,−2).

Problem 30304

How many pairs of shoes are in total at both stores if Orem has 8,947 and Provo has 12,783? Calculate: 8,947+12,7838,947 + 12,7838,947+12,783.

Problem 30305

A rectangle has area A=25in2A = 25 \mathrm{in}^2A=25in2. If w=10w = 10w=10 in, find lll. If w=15w = 15w=15 in, find lll. Rearrange A=lwA = lwA=lw for lll.

Problem 30306

Calculate the heat needed to raise the temperature of an 8.21 g8.21 \mathrm{~g}8.21 g gold sample by 6.2∘C6.2^{\circ} \mathrm{C}6.2∘C with specific heat 0.13 J/g∘C0.13 \mathrm{~J} / \mathrm{g}^{\circ} \mathrm{C}0.13 J/g∘C.

Problem 30307

解不等式 2x−6>−162x - 6 > -162x−6>−16 和 3x−10≤83x - 10 \leq 83x−10≤8。

Problem 30308

What is 32,408 in base ten? (A) 32,480 (B) 32,408 (C) 30,248 (D) 30,240

Problem 30309

How much will the temperature of a 15.4 g silver sample increase if 40.5 J of heat is added? (Specific heat: 0.235 J/g°C)

Problem 30310

Find the value of f(7)f(7)f(7) for the function f(x)=2x2−6f(x)=2 x^{2}-6f(x)=2x2−6.

Problem 30311

Graph the solution to the inequality: 5x−17>85x - 17 > 85x−17>8 or −4x−2≤6-4x - 2 \leq 6−4x−2≤6.

Problem 30312

How many more tickets did the Felines sell than the Canines if they sold 6,224 and 4,038 tickets respectively?

Problem 30313

Find the base bbb of a triangle when the area A=100A=100A=100 and height h=20h=20h=20 using A=12bhA=\frac{1}{2} b hA=21​bh.

Problem 30314

Cindy paid \$241.80 in extra charges at \$20.15 per pound. How many pounds did her luggage exceed the limit?

Problem 30315

How many thorium atoms (240 pm radius) fit in a distance of 1.40 mm1.40 \mathrm{~mm}1.40 mm?

Problem 30316

Graph the elevations where the service elevator doesn't stop: solve the inequality 4<x15<164 < \frac{x}{15} < 164<15x​<16 for xxx.

Problem 30317

Find the base bbb of a triangle with area A=100A=100A=100 and height h=20h=20h=20 using the formula A=12bhA=\frac{1}{2} b hA=21​bh.

Problem 30318

Find sums or differences that equal 12,492: 8,572+3,9208,572+3,9208,572+3,920, 7,279+5,2037,279+5,2037,279+5,203, 4,100+8,3924,100+8,3924,100+8,392, 15,728−3,24615,728-3,24615,728−3,246, 19,412−6,92019,412-6,92019,412−6,920.

Problem 30319

Factor the polynomial x3+3x2−4x−12x^{3}+3 x^{2}-4 x-12x3+3x2−4x−12.

Problem 30320

Calculate the specific heat capacity of 25.0 g25.0 \mathrm{~g}25.0 g of mercury heated from 25.0∘C25.0^{\circ} \mathrm{C}25.0∘C to 155∘C155^{\circ} \mathrm{C}155∘C with 455 J.

Problem 30321

Calculate the temperature change of a 19.0 g aluminum can when 55 J of heat is added, using specific heat 0.903 J/g°C.

Problem 30322

Find the derivative of the function y=sin⁡x+cos⁡xxy=\frac{\sin x+\cos x}{x}y=xsinx+cosx​.

Problem 30323

Find the volume in cubic centimeters (cm3)\left(\mathrm{cm}^{3}\right)(cm3) of a single thorium atom, assuming it's a sphere.

Problem 30324

Mr. Olson had 16 L16 \mathrm{~L}16 L of paint. After using 3 L250ml3 \mathrm{~L} 250 \mathrm{ml}3 L250ml and 80%80\%80% of the rest, how much is left?

Problem 30325

Calculate how many thorium atoms (240 pm radius) are needed to span 1.40 mm1.40 \mathrm{~mm}1.40 mm.

Problem 30326

Find the derivative f′(π)f^{\prime}(\pi)f′(π) for the function f(x)=11+cos⁡xf(x)=\frac{1}{1+\cos x}f(x)=1+cosx1​.

Problem 30327

Calculate (−8)2(-8)^{2}(−8)2. What is the result?

Problem 30328

A car's tank is 80%80\%80% full. After using 30%30\%30% of that fuel, it needs 19 gallons to fill up. Find the tank's full capacity.

Problem 30329

Calculate (−7)2(-7)^{2}(−7)2. What is the result?

Problem 30330

A group of hikers descended 1,200 feet in 3 hours. What was the change in elevation per hour? Answer: 400.

Problem 30331

Calculate (38)2\left(\frac{3}{8}\right)^{2}(83​)2.

Problem 30332

Find the weight of one mole of pennies if a dozen weigh 6.022×10236.022 \times 10^{23}6.022×1023 grams.

Problem 30333

Solve the inequality −5z+6≥−3z−4-5z + 6 \geq -3z - 4−5z+6≥−3z−4 and express the solution in interval notation.

Problem 30334

Find the average cost per item given the cost function C(x)=18x+1400C(x)=18x+1400C(x)=18x+1400 for producing 100 items. What is the average cost?

Problem 30335

Find the value of the variable var after executing: var = 100; var = var + 100; var = var + var.

Problem 30336

Determine the slope, mmm, of the tangent line to the curve y=7+5x2−2x3y=7+5 x^{2}-2 x^{3}y=7+5x2−2x3 at x=ax=ax=a.

Problem 30337

Calculate the value of 4+8⋅44 + 8 \cdot 44+8⋅4. What is the result?

Problem 30338

Problem 30339

The temperature starts at −14∘C-14^{\circ} \mathrm{C}−14∘C and drops 5∘C5^{\circ} \mathrm{C}5∘C, 3∘C3^{\circ} \mathrm{C}3∘C, and 1∘C1^{\circ} \mathrm{C}1∘C. What's the final temperature?

Problem 30340

Evaluate: −8+2⋅52−7=-8 + 2 \cdot 5^{2} - 7 = −8+2⋅52−7=

Calculate the perimeter of parallelogram $ABCD$ with vertices $A(1,7)$ , $B(5,4)$ , $C(0,-5)$ , and $D(-4,-2)$ .

Calculate the perimeter of parallelogram $ABCD$ with vertices $A(1,7)$ , $B(5,4)$ , $C(0,-5)$ , and $D(-4,-2)$ .

How many pairs of shoes are in total at both stores if Orem has 8,947 and Provo has 12,783? Calculate: $8,947 + 12,783$ .

A rectangle has area $A = 25 \mathrm{in}^2$ . If $w = 10$ in, find $l$ . If $w = 15$ in, find $l$ . Rearrange $A = lw$ for $l$ .

Calculate the heat needed to raise the temperature of an $8.21 \mathrm{~g}$ gold sample by $6.2^{\circ} \mathrm{C}$ with specific heat $0.13 \mathrm{~J} / \mathrm{g}^{\circ} \mathrm{C}$ .

解不等式 $2x - 6 > -16$ 和 $3x - 10 \leq 8$ 。

Find the value of $f(7)$ for the function $f(x)=2 x^{2}-6$ .

Graph the solution to the inequality: $5x - 17 > 8$ or $-4x - 2 \leq 6$ .

Find the base $b$ of a triangle when the area $A=100$ and height $h=20$ using $A=\frac{1}{2} b h$ .

How many thorium atoms (240 pm radius) fit in a distance of $1.40 \mathrm{~mm}$ ?

Graph the elevations where the service elevator doesn't stop: solve the inequality $4 < \frac{x}{15} < 16$ for $x$ .

Find the base $b$ of a triangle with area $A=100$ and height $h=20$ using the formula $A=\frac{1}{2} b h$ .

Find sums or differences that equal 12,492: $8,572+3,920$ , $7,279+5,203$ , $4,100+8,392$ , $15,728-3,246$ , $19,412-6,920$ .

Factor the polynomial $x^{3}+3 x^{2}-4 x-12$ .

Calculate the specific heat capacity of $25.0 \mathrm{~g}$ of mercury heated from $25.0^{\circ} \mathrm{C}$ to $155^{\circ} \mathrm{C}$ with 455 J.

Find the derivative of the function $y=\frac{\sin x+\cos x}{x}$ .

Find the volume in cubic centimeters $\left(\mathrm{cm}^{3}\right)$ of a single thorium atom, assuming it's a sphere.

Mr. Olson had $16 \mathrm{~L}$ of paint. After using $3 \mathrm{~L} 250 \mathrm{ml}$ and $80\%$ of the rest, how much is left?

Calculate how many thorium atoms (240 pm radius) are needed to span $1.40 \mathrm{~mm}$ .

Find the derivative $f^{\prime}(\pi)$ for the function $f(x)=\frac{1}{1+\cos x}$ .

Calculate $(-8)^{2}$ . What is the result?

A car's tank is $80\%$ full. After using $30\%$ of that fuel, it needs 19 gallons to fill up. Find the tank's full capacity.

Calculate $(-7)^{2}$ . What is the result?

Calculate $\left(\frac{3}{8}\right)^{2}$ .

Find the weight of one mole of pennies if a dozen weigh $6.022 \times 10^{23}$ grams.

Solve the inequality $-5z + 6 \geq -3z - 4$ and express the solution in interval notation.

Find the average cost per item given the cost function $C(x)=18x+1400$ for producing 100 items. What is the average cost?

Determine the slope, $m$ , of the tangent line to the curve $y=7+5 x^{2}-2 x^{3}$ at $x=a$ .

Calculate the value of $4 + 8 \cdot 4$ . What is the result?

The temperature starts at $-14^{\circ} \mathrm{C}$ and drops $5^{\circ} \mathrm{C}$ , $3^{\circ} \mathrm{C}$ , and $1^{\circ} \mathrm{C}$ . What's the final temperature?

Evaluate: $-8 + 2 \cdot 5^{2} - 7 =$

Find the percentage equivalent of $\frac{7}{4}$ . Options: (A) 1.75%, (B) 12.75%, (C) 175%, (D) 1775%.

Solve the inequality $x + 1 \geq 5$ and express the solution in interval notation.

Evaluate: $7 - 5(8 + 6) =$

What is the weight in grams of 1 mole of silver atoms, given that one silver atom weighs $1.79 \times 10^{-22}$ grams?

Find the value of $\csc (-1305)$ .

Find the weight of 12 silver atoms given that one silver atom weighs $1.79 \times 10^{-22}$ grams.

Solve the inequality $x + 1 \geq 5$ and express the solution in interval notation.

Evaluate: $-36-6(6-10)^{2}=$

4,860 people visited a fair on Saturday, which was $20\%$ more than Friday. Find Friday's visitor count.

Evaluate: $(20 \div 5)^{3}+9^{2} \div 27$

Solve for $x$ : $\frac{220,000}{x+475}=0$

Evaluate: $-3+2\left[-1+\left(18 \div 3^{2}\right)\right]$

Calculate: $300.42 - \frac{15.96}{0.213} =$

Find the second least positive value (in radians) for $\beta$ given $11\pi/6$ and for $\gamma$ given $\tan(\gamma)=1$ .

If $\tan (\gamma)=1$ , what are the least and second least positive values of $\gamma$ in radians?

Calculate: $(15 \div 5)+3(9-7)^{2}=$

Find the distance traveled if speed is 45 miles/hour for 2/3 hour. Use $d = rt$ .

Calculate $(-5)^{3} + 15 \div 3$ . What is the simplified result?

Calculate $\frac{0.0180-0.0059}{0.03168}$ .

Find the complement of an angle measuring $39^{\circ} 1650^{\prime \prime}$ .

A $28.4 \mathrm{~g}$ aluminum sample at $39.4{ }^{\circ} \mathrm{C}$ heats $50.0 \mathrm{~g}$ of water from $21.00^{\circ} \mathrm{C}$ to $23.00^{\circ} \mathrm{C}$ . Find aluminum's specific heat.

Evaluate a) $(-8)^{2}$ , b) $-(-8)^{2}$ , and c) $-8^{2}$ . What are the results?

Evaluate these expressions for $x = -8$ : a) $x^{2}$ , b) $-x^{2}$ , c) $(-x)^{2}$ .

How many $\mathrm{Mm}$ are in 382 $\mathrm{dm}$ ?

Evaluate $-9z - 6$ for $z = 3$ . What is the result?

Evaluate the piecewise function $f(x)$ where $f(-9)$ and find $f(4)$ .

Evaluate $r^{2}-s^{2}$ for $r=-6$ and $s=-7$ . What is $r^{2}-s^{2}=?$

Calculate the distance between the points $(-6,-5)$ and $(2,0)$ .