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2 years ago

Two containers designed to hold water are side by side, both in the shape of a

1 answer:

7 0

Volume = pi x radius^2 x height
Cyl A = pi x 6^2 x 16
= 1809.6 cu ft
Cyl B = pi x 8^2 x 13
=2613.8 cu ft

You pumped 1809.6 from A to B so volume of water in B is 1809.6 cu ft
Question doesn’t say if B was empty to start?

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Solve the triangle A = 2 B = 9 C =8

VARVARA [1.3K]

Answer:

$\begin{gathered} A=\text{ 12}\degree \\ B=\text{ 114}\degree \\ C=54\degree \end{gathered}$

Step-by-step explanation:

To calculate the angles of the given triangle, we can use the law of cosines:

$\begin{gathered} \cos (C)=\frac{a^2+b^2-c^2}{2ab} \\ \cos (A)=\frac{b^2+c^2-a^2}{2bc} \\ \cos (B)=\frac{c^2+a^2-b^2}{2ca} \end{gathered}$

Then, given the sides a=2, b=9, and c=8.

$\begin{gathered} \cos (A)=\frac{9^2+8^2-2^2}{2\cdot9\cdot8} \\ \cos (A)=\frac{141}{144} \\ A=\cos ^{-1}(\frac{141}{144}) \\ A=11.7 \\ \text{ Rounding to the nearest degree:} \\ A=12º \end{gathered}$

For B:

$\begin{gathered} \cos (B)=\frac{8^2+2^2-9^2}{2\cdot8\cdot2} \\ \cos (B)=\frac{13}{32} \\ B=\cos ^{-1}(\frac{13}{32}) \\ B=113.9\degree \\ \text{Rounding:} \\ B=114\degree \end{gathered}$ $\begin{gathered} \cos (C)=\frac{2^2+9^2-8^2}{2\cdot2\cdot9} \\ \cos (C)=\frac{21}{36} \\ C=\cos ^{-1}(\frac{21}{36}) \\ C=54.3 \\ \text{Rounding:} \\ C=\text{ 54}\degree \end{gathered}$

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1 year ago

Which of the following rational functions is graphed below?

Shalnov [3]

You didn’t put your whole question so I can’t help sorry :(((((((((((

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2 years ago

Open the photo to see question please...

9966 [12]

Answer:c

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Step-by-step explanation:

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3 years ago

What is the slope of a line that goes through the points (-1,2) and (1, 4)?

oksian1 [2.3K]

Answer:

Step-by-step explanation:

We can use the slope formula

m = ( y2-y1)/(x2-x1)

= ( 4-2)/(1 - -1)

= (4-2)/(1+1)

= 2/2

= 1

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2 years ago

Last week, Rick's Math Website had the following number of visitors: Monday = 250, Tuesday = 501, Wednesday = 260, Thursday = 49

Novosadov [1.4K]

You add them all together and you get 2221

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3 years ago