3 years ago

PLZ HELP!!!!!

Mathematics

1 answer:

Doss [256]3 years ago

5 0

Answer:

367,679

Step-by-step explanation: My guy someone told me the answer so I'm telling you the answer!

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Find the length of the third side. If necessary, write in simplest radical form. 9 5

tigry1 [53]

Step-by-step explanation:

$(9) {}^{2} = (5) {}^{2} + (x) {}^{2} \\ 81 = 25 + {x}^{2} \\ {x}^{2} = 56 \\ x = 2 \sqrt{14} = 7.4$

7 0

3 years ago

A cylinder with radius r and height 2r+4 contains a cube with edge length r + 2, as shown.

marishachu [46]

Volume is the amount of space in an object. The fraction occupied by the cube is: $\frac{r\sqrt2}{\pi(r + 2)}$

First, we calculate the volume of the cube.

$Volume = Length^3$

From the figure, we have:

$Length = r\sqrt 2$

So:

$V_1 = (r\sqrt2)^3$

$V_1 = (2\sqrt2)r^3$

Next, the volume of the cylinder

$Volume=\pi r^2h$

So, we have:

$V_2 = \pi r^2 (2r + 4)$

The fraction (n) occupied by the cube is:

$n = \frac{V_1}{V_2}$

So, we have:

$n = \frac{(2\sqrt2)r^3}{\pi r^2(2r + 4)}$

Factor out 2 in the denominator

$n = \frac{(2\sqrt2)r^3}{2\pi r^2(r + 2)}$

Cancel out common terms

$n = \frac{r\sqrt2}{\pi(r + 2)}$

<em>Hence, the fraction occupied by the cube is: </em> $\frac{r\sqrt2}{\pi(r + 2)}$ <em />

Read more about volumes at:

brainly.com/question/15861918

6 0

3 years ago

Which number is NOT written in scientific notation?

anyanavicka [17]

I think the answer is C

6 0

3 years ago

An acute angle θ is in a right triangle with sin θ = six sevenths. What is the value of cot θ?

kykrilka [37]

Answer:

$\frac{\sqrt{13} }{7}$

Hope this helps <3

6 0

3 years ago

kirza4 [7]

Answer:

0.4 batches

Step-by-step explanation:

6 / 13 = 0.4

8 0

3 years ago