2 years ago

Select all ratios equivalent to 40:55 80:110 4:5 16:22

1 answer:

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How do we find two equivalent ratios by using multiplication and division? ... To find two equivalent ratios of 4 : 5 we need to apply multiplication method only to ...

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Help me with these two questions thanks

umka2103 [35]

73747472626264747272636

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2 years ago

The variable z is inversely proportional to x. When x is 16, z has the value 0.875. What is the value of z when x= 21?

ziro4ka [17]

For $z$ and $x$ to be inversely proportional, there must be some constant $k$ such that

$zx=k$

Given that $z=0.875$ when $x=16$ , it follows that

$0.875\cdot16=k\implies k=14$

Then when $x=21$ , we have

$21z=14\implies z=\dfrac{14}{21}=\approx0.667$

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3 years ago

A. -3/2 b. 3/2 c. 2/3 d. -2/3

zubka84 [21]

D. -2/3 because when you do (y2-y1)/(x2-x1) you get -4/6 which simplifies to -2/3

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2 years ago

Read 2 more answers

Will the two gardens be the same size? Explain why or why not.

Irina-Kira [14]

No the gardens are not going to be the same because Jamal' s garden is bigger than marks garden

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