4 years ago

What is 8+2x+7x equal

2 answers:

6 0

The answer is 8+9x

you have to combine the like terms.

the only like terms would be 2x and 7x.

8 cannot be combined with 2x or 7x, therefore we can just leave it.

adding 2x and 7x would equal to 9x, therefore the final answer is: 8+9x

Veseljchak [2.6K]4 years ago

5 0

I’m pretty sure it’s 9x+8

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ss7ja [257]

Answer:

Approximately 0.51

Step-by-step explanation:

3 0

2 years ago

A company rents water tanks shaped like a cylinders. Each tank has a diameter of 12 feet and a height of 3 feet. The cost is $2

12345 [234]

Answer:

$\$678.58$

Step-by-step explanation:

step 1

<u>Find the volume of the tank</u>

we know that

The volume of a cylinder (water tank) is equal to

$V=\pi r^{2}h$

in this problem we have

$r=12/2=6\ ft$ -----> the radius is half the diameter

$h=3\ ft$

substitute

$V=\pi (6^{2})(3)=339.29\ ft^{3}$

step 2

Find the cost

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3 years ago

What’s 3x+6y=12 in the form y=mx+b

zhenek [66]

Hey there!

3x+6y=12

Divide both sides by 3 and your equation would now look like:
x+2y= 4
Move the x to the other side
2y= -x+4
Seprate the y by dividing both sides by 2
y= $\frac{1}{2}$ x+2