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3 years ago

Please help me with this cone.

Mathematics

1 answer:

scZoUnD [109]3 years ago

7 0

Answer: For the first cylinder, the answer is 565.5, and for the second one, the answer is 3015.9

Step-by-step explanation:

Plug-in the values of the heights and the radius into the formula $Pi times radius squared times height divided by three.$

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Please answer this correctly

kupik [55]

Answer:

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Step-by-step explanation:

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5 0

3 years ago

Solve for x.

Ivahew [28]

ANSWER

$x=\frac{2-\sqrt{10}} {3}$

or

$x=\frac{\sqrt{10}+2} {3}$

We have

$3x^2-4x-2=0$

Since we cannot factor easily, we complete the square.

Adding 2 to both sides give,

$3x^2-4x=2$

Dividing through by 3 gives

$x^2-\frac{4}{3}x= \frac{2}{3}$

Adding $(-\frac{2}{3})^2$ to both sides gives

$x^2-\frac{4}{3}x+(-\frac{2}{3})^2= \frac{2}{3}+(-\frac{2}{3})^2$

The expression on the Left Hand side is a perfect square.

$(x-\frac{2}{3})^2= \frac{2}{3}+\frac{4}{9}$

$\Rightarrow (x-\frac{2}{3})^2= \frac{10}{9}$

$\Rightarrow (x-\frac{2}{3})=\pm \sqrt{\frac{10}{9}}$

$\Rightarrow (x)=\frac{2}{3} \pm {\frac{\sqrt{10}}{3}$

Splitting the plus or minus sign gives

$x=\frac{2- \sqrt{10}} {3}$

or

$x=\frac{\sqrt{10}+2} {3}$

3 0

3 years ago

Read 2 more answers

How to expand this logarithm?

Zarrin [17]

There is a division symbol, division is subtracted. Are you sure you have the problem stated clearly?
<span> $ln( \frac{-5m-3}{ \sqrt{-4m-7} } )\\ \\ ln(-5m-3) - ln( (-4m-7)^{1/2} ) \\ \\ Power Rule \\ \\ ln(-5m-3) - \frac{1}{2} ln(-4m-7)$

</span>

5 0

3 years ago

a washer and dryer cost $751 combined the washer cost $51 more than the dryer what is the cost of the dryer

marysya [2.9K]

Answer:350

Step-by-step explanation:700 divided by 2

5 0

3 years ago

Read 2 more answers

Pls help due today :( 26 points promise

Stels [109]

Answer = 14/8

Step by step explanation
2 x 7/8
= (2x7)/8
= 14/8

6 0

2 years ago

Please help me with this cone.​

Please help me with this cone.