Answer: option a.
Step-by-step explanation:
Given the expression
, you need to remember:
The Product of powers property:

The Power of a power property:

And:
![\sqrt[n]{a^n}=a](https://tex.z-dn.net/?f=%5Csqrt%5Bn%5D%7Ba%5En%7D%3Da)
Therefore, as the index of the radical is 2, you can rewrite
as:

Rewrite this and simplify. Then:


This matches with the option a.
Answer: 8.88 inches & 9.62 inches
Step-by-step explanation:
i took the test
Answer:
19, 21, and 23.
Step-by-step explanation:
Answer:
The deep of the water would be 20 cm
Step-by-step explanation:
step 1
Find the volume of the water
The volume of the water is equal to

we have

substitute


step 2
Find the deep of the water, if the tank is returned to its horizontal position
(resting on its 60 cm × 100 cm base)
Now we have


substitute the given values

solve for H


therefore
The deep of the water would be 20 cm
Answer:

Step-by-step explanation:
Volume =

r=4
h=3