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3 years ago

Justin saves $8 every week. Which equation represents the amount of money Justin has,y, after x number of week?

1 answer:

3 0

If Justin saves $8 every week, and x represents the number of weeks, this can be set up as 8x. We are trying to find the amount of money Justin has after x weeks, so y = 8x.

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PLEASE HELP ME WITH THIS!!!! ILL GIVE BRAINLIEST

Rina8888 [55]

Answer:

Below.

Step-by-step explanation:

We have 6/6 the radius and 10/30 that means the height of b is 3 times greater then a therefore the answer is D.

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2 years ago

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A cube is wrapped with shrink wrap. How many square inches of shrink wrap are needed to wrap 5 cubes? Only enter the number part

viva [34]

Answer- 270

Find SA. SA=6(area of one face)

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2 years ago

The diameter of the wheels on your car is 25 inches. You are going to drive 458 miles today. Each of your wheels is going to tur

Kipish [7]

d = Diameter of wheels = 25 inches

s = Distance to be traveled by the wheels = 458 miles

Converting the miles to inches

$s=458\times 5280\times 12=29018880\ \text{inches}$

The distance traveled by the wheels in rotation is the circumference

$D=\pi d\\\Rightarrow D=\pi\times 25$

The number of rotations required to cover the distance would be

$\dfrac{s}{D}\\ =\dfrac{29018880}{\pi\times 25}\\ =369479.855599$

$1$ rotation is $360^{\circ}$ so

$369479.855599\times 360=133012748.016^{\circ}$

The number of rotations to cover the required distance is $133012748.016^{\circ}$

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4 0

2 years ago

Solve for x<br><img src="https://tex.z-dn.net/?f=0%20%3D%20%20-%20%7B%20e%20%7D%5E%7B%20-%20x%7D%20%20%2B%203%20%7Be%7D%5E%7B3x%

Brilliant_brown [7]

$\bf \textit{Logarithm Cancellation Rules} \\\\ \stackrel{\stackrel{\textit{we'll use this one}}{\downarrow }}{log_a a^x = x}\qquad \qquad a^{log_a x}=x~\hfill\stackrel{recall}{ln=log_e}\qquad log_e(e^z)=z \\\\[-0.35em] \rule{34em}{0.25pt}$

$\bf 0=-e^{-x}+3e^{3x}\implies e^{-x}=3e^{3x}\implies \cfrac{1}{e^x}=3e^{3x}\implies 1=e^x\cdot 3e^{3x} \\\\\\ 1=3e^xe^{3x}\implies \cfrac{1}{3}=e^{x+3x}\implies \cfrac{1}{3}=e^{4x}\implies ln\left( \cfrac{1}{3} \right)=ln\left( e^{4x} \right) \\\\\\ ln\left( \cfrac{1}{3} \right)=4x\implies \cfrac{ln\left( \frac{1}{3} \right)}{4}=x$

and you plug that in your calculator to get about -0.27465307216702742285.

8 0

3 years ago

tive property, and wri Use the model to find the missing number in the pai equivalent expressions 15 + 9 = ?(5 + 3) What number

Alex Ar [27]

15 + 9 = ?(5 + 3)

24 = ?(8)

24/8 = ?

? = 3

The missing number = 3

3 0

1 year ago