Answer:
Total percent of the room did she paint green = 60%
Step-by-step explanation:
Given - Cheryl painted her living room walls with two different colors. She painted part of the room yellow and another part green. If the surface area of the walls in her room is 720 ft² and she painted 288 ft² yellow.
To find - What percent of the room did she paint green ?
Proof -
Given that,
The surface area of the walls in her room = 720 ft²
Total area painted in yellow color = 288 ft²
So,
Total area painted in green color would be = 720 - 288 = 432 ft²
Now,
Let the total percent green color painted = x
So,
720 × x% = 432
⇒
⇒ x =
= 60
∴ we get
Total percent of the room did she paint green = 60%
Answer:
The value of
is 
Step-by-step explanation:
We want to evaluate
.
The base of this logarithm is
and the number is
.
We need to express the number
as the base
raised to a certain index.
This implies that,
Recall now that,
.
We apply this property to obtain,
Recall again that,
.This implies that,
The correct answer is C.
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S=8/100*2000/1
s=160+3840
A=4000
Answer: The required value of y is 22.
Step-by-step explanation: We are given the following function of a and b :

We are to find the value of y when a = 1 and b = 2.
To find the required value of y, we need to substitute the values of a and b in equation (i).
From (i), we get

Thus, the required value of y is 22.