2 years ago

Which of the following pairs of equations represents lines that are parallel?

Mathematics

1 answer:

vaieri [72.5K]2 years ago

3 0

Answer:

Step-by-step explanation:

The slope of the parallel lines have the same slope. So since D is the only answer choice with the same slope, the answer is D.

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Dani’s estimate for the cost of tiling her bathroom is $50 plus $3 per square foot. She says that she can model the cost with a

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She is correct.

She starts with 50
Each square foot adds 3 dollars...
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y=3x+50.

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2 years ago

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Step-by-step explanation:

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3 years ago

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At noon, the temperature in Ebonsville, Texas was 29℉. By midnight, the temperature had fallen to −10℉. What was the change in t

UkoKoshka [18]

Answer:

i believe it's 39

Step-by-step explanation:

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3 years ago

Can someone please help me solve this logarithm equation

solmaris [256]

Answer:

$x=\frac{33}{7}$

Step-by-step explanation:

Orginal equation:

$log_2(x+1)-log_2(x-4)=3$

So lets do this step by step.

First, lets add $log_2(x-4)$ to both sides of the equation!

This gives us:

$log_2(x+1)=3+log_2(x-4)$

Then, when we put this into exponential form, we get:
$2^{3+log_2\left(x-4\right)}=\left(x+1\right)$

This then equals:

$8(x-4) = x-1$

This can be simplfied into:

$8x-32 = x+1$

Then we can add 32 to both sides, and subtract x from both sides to get the variable and number each on their owns ide:

$7x=33$

Finally, we can divide 33 by 7 to get:
$x=\frac{33}{7}$

Hope this helps! :3

4 0

2 years ago