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astra-53 [7]
2 years ago
8

The variables x and y very directly. Use the values to find the constant of proportionality K then write equation that relates t

o x and y. Write any fraction in simplest form. Y equals 20 and X equals 12
Mathematics
1 answer:
lesya [120]2 years ago
4 0

Answer:

k=5/3

Step-by-step explanation:

The variables x and y vary directly. Given that, y = 20 and x = 12

We can write it as :

y=kx

Where k is constant of proportionality

Put the values of x and y

20=12k

k = 20/12

k = 5/3

So, the value of the constant of proportionality is 5/3.

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Answer:

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Step-by-step explanation:

∵ (sinx)(cosx)(tanx) = (sinx)(cosx)(sinx/cosx) = sin²x

∵ sin²x = 1-cos²x

∴ L.H.S = R.H.S

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Fofino [41]
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The rectangle is three times its width.
Airida [17]

Answer:

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Step-by-step explanation:

Let the width of the rectangle be x in.

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8x= 80 <em>(</em><em>simplify</em><em>)</em>

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x= 10

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Otrada [13]

Answer:

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(-6x+3)+(5x-4)

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