Answer:

Step-by-step explanation:
1) Add 8 to both sides.
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2) Divide both sides by 2.

3) Simplify
to 4.

4) Take the cube root of both sides.
![x=\sqrt[3]{4}](https://tex.z-dn.net/?f=x%3D%5Csqrt%5B3%5D%7B4%7D)
5) Rewrite 4 as 2².
![x=\sqrt[3]{2^2}](https://tex.z-dn.net/?f=x%3D%5Csqrt%5B3%5D%7B2%5E2%7D)
6) Use this rule:
.

Decimal Form: 1.587401
__________________________________________
Check the answer:

1) Let
.

2) Use this rule:
.

3) Simplify 2 * 3 to 6.

4) Simplify 6/3 to 2.

5) Use Product Rule:
.

6) Simplify 2^3 to 8.
8 - 8 = 0
7) Simplify 8 - 8 to 0.
0 = 0
Thank you,
Eddie
Answer:
Area = 70 Perimeter = 50
Step-by-step explanation:
I will begin with area. I can find the area of each figure, then add the areas.
3 • 18 = 54
4 • 4 = 16
Area = 70
For perimeter, I will add the given lengths.
3 + 18 + 7 + 4 + 4 + 14
Perimeter = 50
The pic is kinda blurry so I can’t read it
Lets say, for ease, that the vat can hold a total of 70 gallons (or whatever you would like to use.) Use whatever number you want, I just picked this because it gives us a lot of clean numbers.
Now, if the inlet can fill it in 7 hours, that means that it is adding 10 gallons per hour. (70 gal/7 hours = 10 gal/hr)
For the outlet, use the same process, and you find that it drains the vat at 7 gallons per hour.
So, if you subtract the outlet from the inlet, you get 10 - 7 = 3 gallons per hour added.
Now just divide the size of the vat by that number, and you find your answer.
70 gallons / 3 gallons per hour = 23 1/3 hours.
9x + 26 + 7x - 17 = 2x + (-3x) + 5x =
16x + 9 = 2x - 3x + 5x =
16x + 9 = 4x
9 = 4x - 16x
9 = - 12x
-9/12 = x
- 3/4 = x