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3 years ago

Answer please... 10 points

Mathematics

1 answer:

disa [49]3 years ago

4 0

Answer:

..................................C?

Step-by-step explanation:

pretty sure

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A company packages their product in two sizes of cylinders each dimension of the largest cylinder is twice the size of the corre

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The correct answer to your question is:
D. The volume of the cylinder is 8 times the volume of the smaller cylinder.

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3 years ago

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AfilCa [17]

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3 years ago

If y varies inversely as x and y 27 when x 40 find y when x 10

Iteru [2.4K]

When y varies inversely as x ⇒ y*x=k

y=27 and x=40 ⇒27*40=1080=k

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3 years ago

What is the sign of-5×-1/-2 is it A: positive B: negative C: zero

kvv77 [185]

Answer:

negative

Step-by-step explanation:

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2 years ago

A,B and C are the vertices of one triangle.

dsp73

Answer:

Step-by-step explanation:

Given: The triangle with coordinate A(4,6), B(2,-2) and C(-2,-4). D is the mid point of AB and E is the mid point of AC.

To prove: DE is parallel to BC.

Construction: Join DE.

Proof: If we prove the basic proportionality theorem that is $\frac{AD}{DB}=\frac{AE}{EC}$ , then it proves that DE is parallel to BC.

Now, Mid Point D has coordinates= $(\frac{4+2}{2},\frac{6-2}{2})=(3,2)$ and Mid Point E has coordinates= $(\frac{4-2}{2},\frac{6-4}{2})=(1,1)$

Now, AD= $\sqrt{(4-3)^{2}+(6-2)^{2}}=\sqrt{17}$

DB= $\sqrt{(3-2)^{2}+(2+2)^{2}}=\sqrt{17}$

AE= $\sqrt{(4-1)^{2}+(6-1)^{2}}=\sqrt{34}$

EC= $\sqrt{(1+2)^{2}+(1+4)^{2}}=\sqrt{34}$

Now, $\frac{AD}{DB}=\frac{AE}{EC}$

= $\frac{\sqrt{17}}{\sqrt{17}}=\frac{\sqrt{34}}{\sqrt{34}}=\frac{1}{1}$

Hence, $\frac{AD}{DB}=\frac{AE}{EC}$

Thus, By basic proportionality theorem, DE is parallel to BC.

4 0

3 years ago

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