Joe is trying to find out how many cubic centimeters of sand he can fit in a hole he dug in his backyard. The size of the hole i
s shown in the diagram. Which of the equations will yield the correct answer?
A) V = 9.1(2.2)(3.8)
B) V = 9.1(2.2 + 3.8)
C) V = 9.1 + 2.2 + 3.8
D) V = 1/2(9.1)(2.2)(3.8)
A) V = 9.1(2.2)(3.8)
B) V = 9.1(2.2 + 3.8)
C) V = 9.1 + 2.2 + 3.8
D) V = 1/2(9.1)(2.2)(3.8)
2 answers:
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Answer:
The missing value y=12.5 and we have (5,12.5)
Step-by-step explanation:
The formula used for direct variation is:
We need to find missing value (2,5)(5,y)
First we will find k, and then y
We have x=2, y=5
Find k:
Now, we cam find missing value in (5,y)
We have x=5, k=2.5 and y=?
So, the missing value y=12.5 and we have (5,12.5)