3 years ago

Which ordered pair would form a proportional relationship with the point graphed below?

Mathematics

1 answer:

ziro4ka [17]3 years ago

4 0

The correct answer is D (80,-30)

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What is the slope of the line that includes points (36,-30) and (39,27)

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Answer:

The slope of the line is 19

Step-by-step explanation:

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Therefore, the slope of the line is 19

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1. 8 7/16 - (-2 4/9)

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8 7/16 - (-2 4/9) =

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True or false: the lateral surface of cone a is exactly 1/2 the lateral surface area of cylinder b

Mazyrski [523]

Answer:

True

Step-by-step explanation:

We have that,

The cone A has the length of the lateral side = h and the height of the cylinder B = h.

Since, the lateral surface areas are given by,

Lateral surface area of cone = $\pi r\times l$ , where l is the length of the lateral side.

So, we get $L_{A}$ = $\pi r\times h$ .

Also, Lateral surface area of cylinder is $2\pi r\times h$ , where h is the height of the cylinder.

So, we get $L_{B}$ = $2\pi r\times h$

Thus, we see that, $L_{A}=\frac{1}{2}\times L_{B}$

Hence, the given statement is correct.

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