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jeka94
3 years ago
11

F y is 6 when x is 3 and y varies directly with x, find y when x is 8.

Mathematics
2 answers:
Natali5045456 [20]3 years ago
8 0

Answer:Y = 16

Step-by-step explanation:

Y=6 and x = 3

If Y varies directly as x, then

Y = kx

Substitute the value of Y and x

6 = k * 3

Make k the subject of the formula

K = 6/3

k = 2

:. The equation connecting Y and x is

Y=2x

When x = 8

Y = 2*8

Y= 16

GarryVolchara [31]3 years ago
4 0

Yes, that is correct.

I even searched it, and saw that the answer was 16.

Nice Job!! :)

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volume = ( \frac{1}{2}  \times a \times b) \times h \\  = ( \frac{1}{2}  \times 7 \times 24) \times 22 \\  divide \: 2 \: and \: 24 \: by \: 2 \\  = (1 \times 7 \times 12) \times 22 \\  = (84) \times 22 \\  = 1,848 \\ volume \:  = 1,848

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Can a triangle have sides with lengths 2cm, 5cm and 3cm?​
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A standard fair dice is rolled twice.
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John could not decide, but he had 9 dollars he could spend on fruit kabobs that cast 1.75 dollars and smoothies that cost 2.50 d
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Answer:

One fruit kabob and one smoothie

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Explanation:

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Two fruit kabobs and two smoothies

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Smoothies: $ 2.50 x 2 = $5

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Total: $7.75

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