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butalik [34]
3 years ago
13

Could someone please help me with this problem

Mathematics
1 answer:
kari74 [83]3 years ago
4 0
The answer is choice three

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kolezko [41]

Answer:

a.  4y =12x  the constant of variation is 3

Step-by-step explanation:

The equation for direct variation is y=kx

a.  4y =12x

 Divide each side by 4

4y/4 = 12x/4

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This is direct variation and the constant is 3


Equations b ,c, d  all have a constant added which make them something other than a direct variation

4 0
3 years ago
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IgorC [24]
The value of y varies directly with x, so \dfrac{y}{x}=\text{const}

We have:


\dfrac{y_1}{x_1}=\dfrac{y_2}{x_2}\\\\\\x_1=\dfrac{1}{4}\qquad y_1=25\qquad\qquad x_2=2\dfrac{1}{3}\qquad y_2=?\\\\\\&#10;\dfrac{25}{\frac{1}{4}}=\dfrac{y_2}{2\frac{1}{3}}\\\\\\&#10;100=\dfrac{y_2}{2\frac{1}{3}}\qquad|\cdot2\dfrac{1}{3}\\\\\\&#10;100\cdot2\dfrac{1}{3}=y_2\\\\\\\boxed{y_2=233\frac{1}{3}}

Answer A)
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2 years ago
What is 5 2/5 multiplied by 2 as a mixed number or fraction
erica [24]

Answer:

54/5

Step-by-step explanation:

So 5 2/5 is 27/5 . So 54/5

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3 years ago
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