Analyze

Problem 9001

What does $\sim$ signify? a. Congruency b. Similarity c. Equal measure d. Almost equal

See Solution

Problem 9002

Triangle XYZ is similar to Triangle TUV.

See Solution

Problem 9003

If $\triangle A F G \sim \triangle R H T$ , find $\angle T \cong$ a. $\angle A$ b. $\angle F$ c. $\angle G$ d. $\angle R$ .

See Solution

Problem 9004

Sally's triangle has angles $50^{\circ}$ and $60^{\circ}$ ; Tom's has $50^{\circ}$ and $70^{\circ}$ . Are they similar?

See Solution

Problem 9005

Given $\triangle \mathrm{STV} \sim \triangle \mathrm{WQX}$ , find the missing value in $\frac{S T}{T V}=\frac{W Q}{\square}$ . Choices: a. ST, b. XW, c. VS, d. $Q X$

See Solution

Problem 9006

If $\triangle \mathrm{AFG} \sim \triangle \mathrm{RHT}$ , find $\angle A \cong$ which corresponds to which angle? a. $\angle \mathrm{R}$ b. $\angle \mathrm{H}$ c. $\angle T$ d. $\angle G$

See Solution

Problem 9007

A cow produces 53 pounds of milk daily. Estimate gallons produced using the fact that 1 gallon weighs 8.5 pounds.

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Problem 9008

Triangles $A B C$ and $D E F$ have sides $A B=9$ , $B C=15$ , $D E=6$ , $E F=10$ , and $\angle B \cong \angle E$ . Which is true? a. $\angle C A B \cong \angle D E F$ b. $\frac{A B}{C B}=\frac{F E}{D E}$ c. $\triangle A B C \sim \triangle D E F$ d. $\frac{A B}{D E}=\frac{F E}{C B}$

See Solution

Problem 9009

Find the standard deviation of the monthly salaries (in \ $1000s):$ 8, 13, 11, 12, 6, 10$. Round to two decimal places.

See Solution

Problem 9010

If $f(-4)=8$ , what point $(x, y)$ is on the graph of $y=f(x)$ ? Explain your reasoning.

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Problem 9011

A triangle transforms from $XY Z$ (perimeter 40) to $X'Y'Z'$ (perimeter 100). Find the transformation and $XY, Y'Z'$ . Options: a, b, c, d.

See Solution

Problem 9012

Identify the correct pairing for the reaction: $2 \mathrm{Ag}(\mathrm{s})+\mathrm{I}_{2}(\mathrm{~s}) \rightarrow 2 \mathrm{AgI}(\mathrm{s})$ . Options: A, B, C, D.

See Solution

Problem 9013

What is the molecular formula for the empirical formula $\mathrm{C}_{3} \mathrm{H}_{4} \mathrm{O}_{3}$ with a scale factor of 2? A. $\mathrm{C}_{3} \mathrm{H}_{4} \mathrm{O}_{3}$ B. $\mathrm{C}_{2} \mathrm{H}_{2} \mathrm{O}_{2}$ C. $\mathrm{C}_{6} \mathrm{H}_{8} \mathrm{O}_{6}$

See Solution

Problem 9014

Solve the equation $y + 4 = -\frac{2}{6}(x - 6)$ .

See Solution

Problem 9015

Solve the equation $y + 9 = -\frac{5}{2}(x - 2)$ .

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Problem 9016

Which statement is true for triangles $A B C$ and $D E F$ with $A B=9, B C=15, D E=6, E F=10$ , and $\angle B \cong \angle E$ ? a. $\angle C A B \cong \angle D E F$ b. $\frac{A B}{C B}=\frac{F E}{D E}$ c. $\triangle A B C \cong \triangle D E F$ d. $\frac{A B}{D E}=\frac{F E}{C B}$

See Solution

Problem 9017

Is $f=\{(a, 0),(c, 12),(d, 18),(b, 12)\}$ a function from $A=\{a, b, c, d\}$ ? Explain your answer.

See Solution

Problem 9018

Calculate the absolute and relative changes in Japan's population under 15 from 1980 (18.08\%) to 2020 (12.45\%).

See Solution

Problem 9019

Determine if the following equations express $y$ as a function of $x$ :
1. $x^{2}+y^{2}=25 \quad[\text { Select }]$
2. $2 x+3 y=10 \quad[\text { Select }]$
3. $x=y^{2}-25 \quad[\text { Select }]$

See Solution

Problem 9020

Find the domain and range of $f(x)=|3+3x|$ as intervals using parentheses and brackets.

See Solution

Problem 9021

Determine what information is needed to show $\triangle L M N$ can be mapped onto $\triangle O P Q$ . Options: a. $O Q=6$ , b. $M N=9$ , c. $\angle L M N \cong \angle Q O P$ , d. $\angle N L M \cong \angle Q O P$ .

See Solution

Problem 9022

Find the set $S=\{x:|x^{2}-6|>7\}$ as a union of intervals.

See Solution

Problem 9023

A light bulb lasts $N(2000, 65)$ hours. Out of 590 bulbs, how many last < 1850 hours? Round to the nearest whole number.

See Solution

Problem 9024

In a town, 105 males are selected. With a mean of 130 and SD of 10, how many have systolic BP < 154?

See Solution

Problem 9025

In 37 trials of the 400m dash, how many times will Daniel finish between 60 and 63 seconds, given $\mu = 63$ and $\sigma = 1.5$ ?

See Solution

Problem 9026

Identify if the transformation $H(x, y) \rightarrow (2x, 5y)$ is a stretch or dilation.

See Solution

Problem 9027

Determine if the transformation $L(x, y) \to (0.3x, 2y)$ is a stretch or dilation.

See Solution

Problem 9028

Define the function $f(x)=4 \operatorname{int}(x)$ . Find its domain, intercepts, graph, range, and check continuity.

See Solution

Problem 9029

Pentagon ABCDE is similar to Pentagon RYMNT. Find the missing side: $\frac{A B}{B C}=\frac{R Y}{\square}$ . Options: A E, ER, TN, YM.

See Solution

Problem 9030

Japan's population ages: Under 15 in 1980 is unclear (n) / 8.08%. Verify or correct this value. Over 65: 8.91% (1980), 23.32% (2020).

See Solution

Problem 9031

If $\triangle \mathrm{AFG} \sim \triangle \mathrm{DRH}$ , find the missing value in $\frac{D R}{A F}=\frac{D H}{\square}$ . Choices: HD, AH, AG.

See Solution

Problem 9032

Is rotation a similarity transformation? Answer True or False.

See Solution

Problem 9033

Adrian, un niño de 10 años, necesita espirometría. ¿Qué volumen maximiza su velocidad de espiración? Redondea a 2 decimales.

See Solution

Problem 9034

Grafica la curva velocidad-volumen de Adrian con $F(x)$ y compárala con $y = -2x + 10$ del otro paciente.

See Solution

Problem 9035

Adrián, un niño de 10 años, necesita espirometría. ¿Cuál es el volumen que maximiza su velocidad de espiración? Redondea a 2 decimales.

See Solution

Problem 9036

Adrian, un niño de 10 años, necesita espirometría. Usa $V(t)=-3.5^{-t+1}+3.5$ y $F(x)=\left\{\begin{array}{cc}-13 x(x-1.5) & 0 \leq x<1.25 \\ -\frac{16}{9} x+\frac{56}{9} & 1.25 \leq x \leq 3.5\end{array}\right.$ . Grafica $F(x)$ , indica rangos de $V$ y $F$ , y analiza intervalos de aumento y disminución de velocidad.

See Solution

Problem 9037

Solve the inequality $\frac{x-5}{4}+\frac{3-2 x}{3}<-2$ .

See Solution

Problem 9038

Solve the inequality $0 \leq 2z + 5 < 8$ .

See Solution

Problem 9039

Subtract 3 times the first row from the matrix. Find the new first row: $\left[\begin{array}{cc}-2 & 1\end{array}\right]-3\left[\begin{array}{cc}1 & 0\end{array}\right]$

See Solution

Problem 9040

Find the scale of an image that is 1.5 inches wide and 3 inches tall, representing a book that is 9 inches wide.

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Problem 9041

1. Find the scale of an image that is 1.5 inches wide for a 9-inch wide book.
2. Determine the actual height of a book that is 3 inches tall in the image.

See Solution

Problem 9042

Analyze the polynomial $h(x)=x^{6}-3x^{5}-17x^{3}$ and determine its end behavior.

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Problem 9043

Analyze the polynomial $g(x)=-10 x^{7}-9 x^{5}+7 x^{3}-8 x$ to determine its end behavior.

See Solution

Problem 9044

Analyze the polynomial $h(x)=-7 x^{6}+3 x^{4}-5 x^{2}$ and determine its end behavior.

See Solution

Problem 9045

Which expression equals $\left(\frac{(1.5)^{5}}{(0.7)^{4}}\right)^{3}$ ? Options: $\frac{(1.5)^{15}}{(0.7)^{12}}$ , $\frac{(1.5)^{8}}{(0.7)^{7}}$ , $2.1^{3}$ , $2.1^{15}$ .

See Solution

Problem 9046

What is the term for sulfuric acid's electrolyte capacity when it fully dissociates in water? Options: non-electrolyte, strong electrolyte, weak electrolyte.

See Solution

Problem 9047

Explain how $g(x) = 2|x-3|$ is derived from $f(x) = |x|$ and how to graph both functions.

See Solution

Problem 9048

Find the transformation of the functions $f(x) = |x|$ and $g(x) = 2f(x-3)$ .

See Solution

Problem 9049

Identify the number set(s) for $\sqrt{-16}$ . Choose all that apply: real, complex, rational, imaginary, irrational.

See Solution

Problem 9050

Which two conditional statement forms always share the same truth value? A. statement and inverse B. inverse and contrapositive C. converse and contrapositive D. converse and inverse

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Problem 9051

Determine if the statements are the inverse, converse, or contrapositive of: "If two lines form equal adjacent angles, then they are perpendicular." a. If two lines are not perpendicular, then they do not form equal adjacent angles. b. If two lines do not form equal adjacent angles, then they are not perpendicular.

See Solution

Problem 9052

Two groups measure fall times for a ball. Find averages, percentage errors, standard deviations, and variances. Round to two decimals.

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Problem 9053

Find the expected number of times you wait over 44 minutes in 29 visits, given mean 42 min and SD 5 min.

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Problem 9054

Find how many days Mamadou's commute is between 23 and 25 minutes in a year, given mean 28 and SD 3.

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Problem 9055

Find the range for at least $75\%$ of Americans' online time using Chebyshev's theorem, with an average of 4 hours and SD of 27 min.

See Solution

Problem 9056

Find the range for online time where at least 75% of Americans lie, using Chebyshev's theorem. Average: 4 hrs, SD: 27 min.

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Problem 9057

Find the range, variance, and standard deviation for the data set: 23, 32, 31, 45, 25, 33, 44, 47, 37, 32, 37, 48, 47, 50, 22, 40, 30, 28, 22, 39. Range is 28. Use sample formulas.

See Solution

Problem 9058

Find the range, variance, and standard deviation of the data set: 23, 32, 31, 45, 25, 33, 44, 47, 37, 32, 37, 48, 47, 50, 22, 40, 30, 28, 22, 39. Use sample formulas.

See Solution

Problem 9059

Find the monomial function(s) with a maximum from: $y=x^{3}$ , $y=-4 x$ , $y=-3 x^{4}$ , $y=-2 x^{12}$ , $y=3 x^{3}$ , $y=6 x^{8}$ .

See Solution

Problem 9060

What property does the equation $(3)(4 d)=(4 d)(3)$ demonstrate: commutative, associative, distributive, or multiplicative inverse?

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Problem 9061

Describe how the graph of $y=x^{n}$ changes as $n$ (even positive integer) increases for $x$ in [-1, 1] and outside this range.

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Problem 9062

Calculate the range, variance, and standard deviation of these scores: 25, 33, 24, 40, 25, 39, 17, 45, 20, 38, 36, 37, 25, 44, 29, 36, 28, 40, 36, 33.

See Solution

Problem 9063

Find the range, variance, and standard deviation for the data: 25, 33, 24, 40, 25, 39, 17, 45, 20, 38, 36, 37, 25, 44, 29, 36, 28, 40, 36, 33.

See Solution

Problem 9064

Convert 30 quarters to nickels. How many nickels is that? Use the conversion $1 \text{ quarter} = 5 \text{ nickels}$ .

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Problem 9065

Becca solved $4(x+2)=28$ and wrote $4x+8=28$ . Which property did she use? Options: distributive, associative, commutative, identity.

See Solution

Problem 9066

Identify the property shown by $M+A=A+M$ where $M$ and $A$ are integers: commutative, associative, distributive, or closure?

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Problem 9067

Which property is shown by $6+(4+y)=6+(y+4)$ ? (Hint: 4 and $y$ switched places)

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Problem 9068

Which property is shown by $52+(27+36)=(52+27)+36$ ? Choices: commutative, associative, distributive, identity.

See Solution

Problem 9069

Find the boundaries for $95\%$ of SAT math scores, given an average of 523 and a standard deviation of 42.

See Solution

Problem 9070

SAT Scores: The 2011 math average was 523 with a standard deviation of 42.
(a) What are the boundaries for $95\%$ of scores? (b) What percentage of scores are above 565?

See Solution

Problem 9071

Expand $(x+5)(x-7)$ using the distributive property. Fill in the results.

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Problem 9072

Graph the solution set for the inequality $-2(x+6)>-4x$ on a number line.

See Solution

Problem 9073

Which inequality matches $-4(x+7)<3(x-2)$ ? A. $-7 x<22$ B. $-7 x<-34$ C. $-7 x>22$ D. $-7 x>-34$

See Solution

Problem 9074

Identify the true statements about triangles:
1. They have one right angle.
2. They are polygons.
3. They have 3 straight sides.
4. They are plane figures.
5. They have 3 angles.

See Solution

Problem 9075

Kiki draws a right triangle. Which attributes describe it? Choose all that apply: exactly one right angle, polygon, closed figure.

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Problem 9076

Patty earns \ $18/hour and \$2.50/survey. To earn at least \$750 in 38 hours, which inequality for surveys$ s $is correct? A.$ 18(38)+2.5 s \geq 750 $B.$ 18(s+2.5)>750 $C.$ 20.5 s>750 $D.$ 18(2.5 s+38) \geq 750$

See Solution

Problem 9077

Find the function with an axis of symmetry at $x = -3$ : $f(x)=|x-3|$ , $f(x)=|x|+3$ , $f(x)=|x+3|$ , $f(x)=|x|-3$ .

See Solution

Problem 9078

Calculate the range of traveler spending: 20.7, 33.2, 21.5, 58, 23.8, 110, 30.6, 24, 74, 60.8, 40.7, 45.5, 65.6. Round to two decimal places.

See Solution

Problem 9079

Calculate the variance for the numbers $20.7, 33.2, 21.5, 58, 23.8, 110, 30.6, 24, 74, 60.8, 40.7, 45.5, 65.6$ . Indicate if it's sample or population variance.

See Solution

Problem 9080

Estimate if the total labor hours for 5 workers (3 at 12 hours, 2 at 10 hours) meets the 60-hour project estimate.

See Solution

Problem 9081

Solve the inequality $|2x-5|-3<-7$ and identify the solution set: $-5<x<-1$ , $x<-5$ or $x>-1$ , $\varnothing$ , or $R$ .

See Solution

Problem 9082

Find the inequality that represents the range of $f(x)=|x-5|+3$ . Options: $y \geq-5$ , $y \geq-3$ , $y \geq 3$ , $y \geq 5$ .

See Solution

Problem 9083

Solve the inequality $-3|x+2|<-9$ .

See Solution

Problem 9084

Find the slope and $y$ -intercept of the line given by the equation $y=2x+1$ .

See Solution

Problem 9085

Find the range of the density data: 10.34, 10.58, 10.62. Average density is 10.51 g/cm³.

See Solution

Problem 9086

Where to measure volume in a graduated cylinder: A. $21 \mathrm{~mL}$ B. $22 \mathrm{~mL}$ C. top meniscus D. bottom meniscus?

See Solution

Problem 9087

Find the $y$ -intercept of the line given by the equation $y=-2x+1$ .

See Solution

Problem 9088

Determine the significant figures in the mass of $43.55 \mathrm{~g}$ .

See Solution

Problem 9089

Count the significant figures in the number 0.00521.

See Solution

Problem 9090

What do manufacturers spend on goods or services called? Select the correct term.

See Solution

Problem 9091

Encuentra el valor mínimo de $x$ en la inecuación: $(x-1)^{2}+(x-2)^{2} \leq x^{2}+x-1$ . Opciones: a. -1, b. 0, c. 1, d. 2.

See Solution

Problem 9092

What kind of discount is a store offering with a 25% off on a minimum purchase of \$500?

See Solution

Problem 9093

Determine the range of the function $y=-4x+3$ .

See Solution

Problem 9094

Find the number of significant figures in 0.0080.

See Solution

Problem 9095

Find the range for the third side of a triangle with sides $6 \mathrm{ft}$ and $19 \mathrm{ft}$ .

See Solution

Problem 9096

How many significant figures are in the number 45000?

See Solution

Problem 9097

Determine the possible range for the third side of a triangle with sides $7 \mathrm{~km}$ and $29 \mathrm{~km}$ .

See Solution

Problem 9098

Find the range for the third side of a triangle with sides 13 in. and 27 in.: $14 < n < 40$ .

See Solution

Problem 9099

What is the minimum distance between Boston and Hartford if NYC, Boston, and Hartford form a triangle? $d > 187 - 97$

See Solution

Problem 9100

A tourist attraction is open 350 days. Given visitor data, graph it, find median, IQR, outliers, and days losing revenue.

See Solution

1 ...88 89 90 91 92 93 94 ...161

Analyze

Problem 9001

What does ∼\sim∼ signify? a. Congruency b. Similarity c. Equal measure d. Almost equal

Problem 9002

Triangle XYZ is similar to Triangle TUV.

Problem 9003

If △AFG∼△RHT\triangle A F G \sim \triangle R H T△AFG∼△RHT, find ∠T≅\angle T \cong∠T≅ a. ∠A\angle A∠A b. ∠F\angle F∠F c. ∠G\angle G∠G d. ∠R\angle R∠R.

Problem 9004

Sally's triangle has angles 50∘50^{\circ}50∘ and 60∘60^{\circ}60∘; Tom's has 50∘50^{\circ}50∘ and 70∘70^{\circ}70∘. Are they similar?

Problem 9005

Given △STV∼△WQX\triangle \mathrm{STV} \sim \triangle \mathrm{WQX}△STV∼△WQX, find the missing value in STTV=WQ□\frac{S T}{T V}=\frac{W Q}{\square}TVST​=□WQ​. Choices: a. ST, b. XW, c. VS, d. QXQ XQX

Problem 9006

If △AFG∼△RHT\triangle \mathrm{AFG} \sim \triangle \mathrm{RHT}△AFG∼△RHT, find ∠A≅\angle A \cong∠A≅ which corresponds to which angle? a. ∠R\angle \mathrm{R}∠R b. ∠H\angle \mathrm{H}∠H c. ∠T\angle T∠T d. ∠G\angle G∠G

Problem 9007

A cow produces 53 pounds of milk daily. Estimate gallons produced using the fact that 1 gallon weighs 8.5 pounds.

Problem 9008

Problem 9009

Find the standard deviation of the monthly salaries (in \1000s):1000s): 1000s):8, 13, 11, 12, 6, 10$. Round to two decimal places.

Problem 9010

If f(−4)=8f(-4)=8f(−4)=8, what point (x,y)(x, y)(x,y) is on the graph of y=f(x)y=f(x)y=f(x)? Explain your reasoning.

Problem 9011

A triangle transforms from XYZXY ZXYZ (perimeter 40) to X′Y′Z′X'Y'Z'X′Y′Z′ (perimeter 100). Find the transformation and XY,Y′Z′XY, Y'Z'XY,Y′Z′. Options: a, b, c, d.

Problem 9012

Identify the correct pairing for the reaction: 2Ag(s)+I2( s)→2AgI(s)2 \mathrm{Ag}(\mathrm{s})+\mathrm{I}_{2}(\mathrm{~s}) \rightarrow 2 \mathrm{AgI}(\mathrm{s})2Ag(s)+I2​( s)→2AgI(s). Options: A, B, C, D.

Problem 9013

Problem 9014

Solve the equation y+4=−26(x−6)y + 4 = -\frac{2}{6}(x - 6)y+4=−62​(x−6).

Problem 9015

Solve the equation y+9=−52(x−2)y + 9 = -\frac{5}{2}(x - 2)y+9=−25​(x−2).

Problem 9016

Problem 9017

Is f={(a,0),(c,12),(d,18),(b,12)}f=\{(a, 0),(c, 12),(d, 18),(b, 12)\}f={(a,0),(c,12),(d,18),(b,12)} a function from A={a,b,c,d}A=\{a, b, c, d\}A={a,b,c,d}? Explain your answer.

Problem 9018

Calculate the absolute and relative changes in Japan's population under 15 from 1980 (18.08\%) to 2020 (12.45\%).

Problem 9019

Determine if the following equations express yyy as a function of xxx:1. x2+y2=25[ Select ]x^{2}+y^{2}=25 \quad[\text { Select }]x2+y2=25[ Select ]2. 2x+3y=10[ Select ]2 x+3 y=10 \quad[\text { Select }]2x+3y=10[ Select ]3. x=y2−25[ Select ]x=y^{2}-25 \quad[\text { Select }]x=y2−25[ Select ]

Problem 9020

Find the domain and range of f(x)=∣3+3x∣f(x)=|3+3x|f(x)=∣3+3x∣ as intervals using parentheses and brackets.

Problem 9021

Determine what information is needed to show △LMN\triangle L M N△LMN can be mapped onto △OPQ\triangle O P Q△OPQ. Options: a. OQ=6O Q=6OQ=6, b. MN=9M N=9MN=9, c. ∠LMN≅∠QOP\angle L M N \cong \angle Q O P∠LMN≅∠QOP, d. ∠NLM≅∠QOP\angle N L M \cong \angle Q O P∠NLM≅∠QOP.

Problem 9022

Find the set S={x:∣x2−6∣>7}S=\{x:|x^{2}-6|>7\}S={x:∣x2−6∣>7} as a union of intervals.

Problem 9023

A light bulb lasts N(2000,65)N(2000, 65)N(2000,65) hours. Out of 590 bulbs, how many last < 1850 hours? Round to the nearest whole number.

Problem 9024

In a town, 105 males are selected. With a mean of 130 and SD of 10, how many have systolic BP < 154?

Problem 9025

In 37 trials of the 400m dash, how many times will Daniel finish between 60 and 63 seconds, given μ=63\mu = 63μ=63 and σ=1.5\sigma = 1.5σ=1.5?

Problem 9026

Identify if the transformation H(x,y)→(2x,5y)H(x, y) \rightarrow (2x, 5y)H(x,y)→(2x,5y) is a stretch or dilation.

Problem 9027

Determine if the transformation L(x,y)→(0.3x,2y)L(x, y) \to (0.3x, 2y)L(x,y)→(0.3x,2y) is a stretch or dilation.

Problem 9028

Define the function f(x)=4int⁡(x)f(x)=4 \operatorname{int}(x)f(x)=4int(x). Find its domain, intercepts, graph, range, and check continuity.

Problem 9029

Pentagon ABCDE is similar to Pentagon RYMNT. Find the missing side: ABBC=RY□\frac{A B}{B C}=\frac{R Y}{\square}BCAB​=□RY​. Options: A E, ER, TN, YM.

Problem 9030

Japan's population ages: Under 15 in 1980 is unclear (n) / 8.08%. Verify or correct this value. Over 65: 8.91% (1980), 23.32% (2020).

Problem 9031

If △AFG∼△DRH\triangle \mathrm{AFG} \sim \triangle \mathrm{DRH}△AFG∼△DRH, find the missing value in DRAF=DH□\frac{D R}{A F}=\frac{D H}{\square}AFDR​=□DH​. Choices: HD, AH, AG.

Problem 9032

Is rotation a similarity transformation? Answer True or False.

Problem 9033

Adrian, un niño de 10 años, necesita espirometría. ¿Qué volumen maximiza su velocidad de espiración? Redondea a 2 decimales.

Problem 9034

Grafica la curva velocidad-volumen de Adrian con F(x)F(x)F(x) y compárala con y=−2x+10y = -2x + 10y=−2x+10 del otro paciente.

Problem 9035

Adrián, un niño de 10 años, necesita espirometría. ¿Cuál es el volumen que maximiza su velocidad de espiración? Redondea a 2 decimales.

Problem 9036

Problem 9037

Solve the inequality x−54+3−2x3<−2\frac{x-5}{4}+\frac{3-2 x}{3}<-24x−5​+33−2x​<−2.

Problem 9038

Solve the inequality 0≤2z+5<80 \leq 2z + 5 < 80≤2z+5<8.

Problem 9039

Subtract 3 times the first row from the matrix. Find the new first row: [−21]−3[10]\left[\begin{array}{cc}-2 & 1\end{array}\right]-3\left[\begin{array}{cc}1 & 0\end{array}\right][−2​1​]−3[1​0​]

Problem 9040

Find the scale of an image that is 1.5 inches wide and 3 inches tall, representing a book that is 9 inches wide.

Problem 9041

1. Find the scale of an image that is 1.5 inches wide for a 9-inch wide book. 2. Determine the actual height of a book that is 3 inches tall in the image.

Problem 9042

What does $\sim$ signify? a. Congruency b. Similarity c. Equal measure d. Almost equal

If $\triangle A F G \sim \triangle R H T$ , find $\angle T \cong$ a. $\angle A$ b. $\angle F$ c. $\angle G$ d. $\angle R$ .

Sally's triangle has angles $50^{\circ}$ and $60^{\circ}$ ; Tom's has $50^{\circ}$ and $70^{\circ}$ . Are they similar?

Given $\triangle \mathrm{STV} \sim \triangle \mathrm{WQX}$ , find the missing value in $\frac{S T}{T V}=\frac{W Q}{\square}$ . Choices: a. ST, b. XW, c. VS, d. $Q X$

If $\triangle \mathrm{AFG} \sim \triangle \mathrm{RHT}$ , find $\angle A \cong$ which corresponds to which angle? a. $\angle \mathrm{R}$ b. $\angle \mathrm{H}$ c. $\angle T$ d. $\angle G$

Find the standard deviation of the monthly salaries (in \ $1000s):$ 8, 13, 11, 12, 6, 10$. Round to two decimal places.

If $f(-4)=8$ , what point $(x, y)$ is on the graph of $y=f(x)$ ? Explain your reasoning.

A triangle transforms from $XY Z$ (perimeter 40) to $X'Y'Z'$ (perimeter 100). Find the transformation and $XY, Y'Z'$ . Options: a, b, c, d.

Identify the correct pairing for the reaction: $2 \mathrm{Ag}(\mathrm{s})+\mathrm{I}_{2}(\mathrm{~s}) \rightarrow 2 \mathrm{AgI}(\mathrm{s})$ . Options: A, B, C, D.

Solve the equation $y + 4 = -\frac{2}{6}(x - 6)$ .

Solve the equation $y + 9 = -\frac{5}{2}(x - 2)$ .

Is $f=\{(a, 0),(c, 12),(d, 18),(b, 12)\}$ a function from $A=\{a, b, c, d\}$ ? Explain your answer.

Determine if the following equations express $y$ as a function of $x$ :
1. $x^{2}+y^{2}=25 \quad[\text { Select }]$
2. $2 x+3 y=10 \quad[\text { Select }]$
3. $x=y^{2}-25 \quad[\text { Select }]$

Find the domain and range of $f(x)=|3+3x|$ as intervals using parentheses and brackets.

Determine what information is needed to show $\triangle L M N$ can be mapped onto $\triangle O P Q$ . Options: a. $O Q=6$ , b. $M N=9$ , c. $\angle L M N \cong \angle Q O P$ , d. $\angle N L M \cong \angle Q O P$ .

Find the set $S=\{x:|x^{2}-6|>7\}$ as a union of intervals.

A light bulb lasts $N(2000, 65)$ hours. Out of 590 bulbs, how many last < 1850 hours? Round to the nearest whole number.

In 37 trials of the 400m dash, how many times will Daniel finish between 60 and 63 seconds, given $\mu = 63$ and $\sigma = 1.5$ ?

Identify if the transformation $H(x, y) \rightarrow (2x, 5y)$ is a stretch or dilation.

Determine if the transformation $L(x, y) \to (0.3x, 2y)$ is a stretch or dilation.

Define the function $f(x)=4 \operatorname{int}(x)$ . Find its domain, intercepts, graph, range, and check continuity.

Pentagon ABCDE is similar to Pentagon RYMNT. Find the missing side: $\frac{A B}{B C}=\frac{R Y}{\square}$ . Options: A E, ER, TN, YM.

If $\triangle \mathrm{AFG} \sim \triangle \mathrm{DRH}$ , find the missing value in $\frac{D R}{A F}=\frac{D H}{\square}$ . Choices: HD, AH, AG.

Grafica la curva velocidad-volumen de Adrian con $F(x)$ y compárala con $y = -2x + 10$ del otro paciente.

Solve the inequality $\frac{x-5}{4}+\frac{3-2 x}{3}<-2$ .

Solve the inequality $0 \leq 2z + 5 < 8$ .

Subtract 3 times the first row from the matrix. Find the new first row: $\left[\begin{array}{cc}-2 & 1\end{array}\right]-3\left[\begin{array}{cc}1 & 0\end{array}\right]$

1. Find the scale of an image that is 1.5 inches wide for a 9-inch wide book.
2. Determine the actual height of a book that is 3 inches tall in the image.

Analyze the polynomial $h(x)=x^{6}-3x^{5}-17x^{3}$ and determine its end behavior.

Analyze the polynomial $g(x)=-10 x^{7}-9 x^{5}+7 x^{3}-8 x$ to determine its end behavior.

Analyze the polynomial $h(x)=-7 x^{6}+3 x^{4}-5 x^{2}$ and determine its end behavior.

Which expression equals $\left(\frac{(1.5)^{5}}{(0.7)^{4}}\right)^{3}$ ? Options: $\frac{(1.5)^{15}}{(0.7)^{12}}$ , $\frac{(1.5)^{8}}{(0.7)^{7}}$ , $2.1^{3}$ , $2.1^{15}$ .

Explain how $g(x) = 2|x-3|$ is derived from $f(x) = |x|$ and how to graph both functions.

Find the transformation of the functions $f(x) = |x|$ and $g(x) = 2f(x-3)$ .

Identify the number set(s) for $\sqrt{-16}$ . Choose all that apply: real, complex, rational, imaginary, irrational.

Find the range for at least $75\%$ of Americans' online time using Chebyshev's theorem, with an average of 4 hours and SD of 27 min.

Find the monomial function(s) with a maximum from: $y=x^{3}$ , $y=-4 x$ , $y=-3 x^{4}$ , $y=-2 x^{12}$ , $y=3 x^{3}$ , $y=6 x^{8}$ .

What property does the equation $(3)(4 d)=(4 d)(3)$ demonstrate: commutative, associative, distributive, or multiplicative inverse?

Describe how the graph of $y=x^{n}$ changes as $n$ (even positive integer) increases for $x$ in [-1, 1] and outside this range.

Convert 30 quarters to nickels. How many nickels is that? Use the conversion $1 \text{ quarter} = 5 \text{ nickels}$ .

Becca solved $4(x+2)=28$ and wrote $4x+8=28$ . Which property did she use? Options: distributive, associative, commutative, identity.

Identify the property shown by $M+A=A+M$ where $M$ and $A$ are integers: commutative, associative, distributive, or closure?

Which property is shown by $6+(4+y)=6+(y+4)$ ? (Hint: 4 and $y$ switched places)

Which property is shown by $52+(27+36)=(52+27)+36$ ? Choices: commutative, associative, distributive, identity.

Find the boundaries for $95\%$ of SAT math scores, given an average of 523 and a standard deviation of 42.

SAT Scores: The 2011 math average was 523 with a standard deviation of 42.
(a) What are the boundaries for $95\%$ of scores? (b) What percentage of scores are above 565?

Expand $(x+5)(x-7)$ using the distributive property. Fill in the results.

Graph the solution set for the inequality $-2(x+6)>-4x$ on a number line.

Which inequality matches $-4(x+7)<3(x-2)$ ? A. $-7 x<22$ B. $-7 x<-34$ C. $-7 x>22$ D. $-7 x>-34$

Identify the true statements about triangles:
1. They have one right angle.
2. They are polygons.
3. They have 3 straight sides.
4. They are plane figures.
5. They have 3 angles.