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d1i1m1o1n [39]
3 years ago
12

he value of y varies directly with the value of x. When y = 32.5, x = 5. What is the value of y when x = 10? A) 1.5 B) 2.2 C) 37

.5 D) 65 WILL MARK BRAINLEST
Mathematics
2 answers:
xz_007 [3.2K]3 years ago
7 0

Answer:

D) 65

Step-by-step explanation:

The formula for direct variation is

y = kx

where k is the constant of variation.


If we know y=32.5 and x=5, we can substitute in to calculate k

32.5 = k * 5

Divide each side by 5

32.5/5 = k

6.5 = k

So the equation is

y = 6.5k

Given x =10

y = 6.5*10

y = 65

nignag [31]3 years ago
4 0
D) 65 is the best answer
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