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Alex
3 years ago
8

I need help I keep getting it wrong

Mathematics
2 answers:
irga5000 [103]3 years ago
5 0
The answer is 360 cubic yards
EleoNora [17]3 years ago
5 0

Find the area of the triangle and multiply by the length of the prism.

Area = 1/2 x 8x3 = 12 square yds.

Volume = 12 x 6 = 72 cubic yards.

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Write the equation of the ellipse with foci at (-2,2) and (4,2) and major axis of length 10 *
Luda [366]

Answer:

The answer to your question is   \frac{(x - 1)^{2}}{25} + \frac{(y - 2)^{2}}{16} = 1          

Step-by-step explanation:

Data

Foci  (-2, 2)  (4, 2)

Major axis = 10

Process

1.- Plot the foci to determine if the ellipse is vertical or horizontal. See the picture below.

From the graph we conclude that it is a horizontal ellipse.

2.- Determine the foci axis (distance between the foci)

                  2c = 6

                    c = 6/2

                    c = 3

3.- Determine a

                  2a = 10

                    a = 10/2

                    a = 5

4.- Determine b using the Pythagorean theorem

                   a² = b² + c²

-Solve for b

                   b² = a² - c²

                   b² = 5² - 3²

                   b² = 25 - 9

                   b² = 16

                   b = 4

5.- Find the center (1, 2)  From the graph, it is in the middle of the foci

6.- Find the equation of the ellipse

                      \frac{(x - 1)^{2}}{5^{2}} + \frac{(y - 2)^{2}}{4^{2}} = 1

                       \frac{(x - 1)^{2}}{25} + \frac{(y - 2)^{2}}{16} = 1                

3 0
3 years ago
Please helpppp me. Will give Brainlyist
solmaris [256]
SOH CAH TOA.
Sin = Opposite / Hypotenuse
Cos = Adjacent / Hypotenuse
Tan = Opposite / Adjacent
3 0
3 years ago
Write an equation of the line passing through
Korvikt [17]

9514 1404 393

Answer:

  y = 5

Step-by-step explanation:

The given points lie on the horizontal line ...

  y = 5

__

You could write this as 0x+1y=5, but the conventions regarding coefficients of 0 and 1 would have this simplified to y=5.

5 0
3 years ago
Quadratic Functions in Standard Form
Stels [109]

Answer:

You just need to put the given value of x-input in function f(x)=2x²+6x-8 to get y-output

5 0
3 years ago
Which triangles are similar A or b? I need help.
marissa [1.9K]

Answer:

A!

Step-by-step explanation:

7 0
3 years ago
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