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ladessa [460]
3 years ago
6

Please help solve for y.

Mathematics
1 answer:
Alenkinab [10]3 years ago
4 0

Answer:

90

Step-by-step explanation:

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A right prism has a base in the shape of an octagon. The side length of the octagon is 4 inches. The length of the apothem is 4.
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Please help. I’ll mark you as brainliest if correct!
Readme [11.4K]

Answer:

\large \boxed{\sf \ \ x=0, \ \ y=-5 \ \ }

Step-by-step explanation:

Hello, please consider the following.

We have two equations:

(1) -2x - 4y = 20

(2) -3x + 5y = -25

5*(1)+4*(2) gives

   -10x - 20y -12x + 20y = 100 - 100 = 0

   -22x = 0

   x = 0

I replace in (1)

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   y = -20/4 = -5

There is one solution x = 0, y = -5

Hope this helps.

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Marge cut 16 pieces of tape each at 3/8 inches long. How much tape did Marge<br> Cut!
photoshop1234 [79]

Answer:

she cut 6 inches of tape

Step-by-step explanation:

you can start by multiplying 3/8 and 6/1 which gives you 6


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Select all ratios equivalent to 20:15
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What the closest volume of a cylinder with a height of 10 and a circumference of 8
jenyasd209 [6]

In order to calculate the volume of a cylinder, we can use the following formula:

V=\pi r^2h

Where r is the base radius and h is the height.

If the circumference is 8, we have:

\begin{gathered} C=2\pi r \\ 8=2\pi r \\ r=\frac{4}{\pi} \end{gathered}

Now, calculating the volume, we have:

\begin{gathered} V=\pi(\frac{4}{\pi})^2\cdot10 \\ V=\frac{160}{\pi} \\ V=50.93 \end{gathered}

So the correct option is the second one.

3 0
1 year ago
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