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Savatey [412]
2 years ago
6

PLZ HELP...IM GOING TO CRYYYY PLZ..I WILL MARK BRAINLIEST.

Mathematics
1 answer:
IrinaK [193]2 years ago
8 0

Answer:

x=10

y=30

Step-by-step explanation:

x=-2y+70

x=-2*3x+70

x=-6x+70

7x=70

x=10

y=3x

y=3*10

y=30

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Step-by-step explanation:

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Geometry matching help
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Answer:

Ellipse C

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Step-by-step explanation:

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What produces a graph in a straight line
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8 0
3 years ago
Find the volume of the figure below. Round to the nearest tenth.
anyanavicka [17]

Answer:

3057.6 cm³

Step-by-step explanation:

You have a cylinder and a rectangular prism.  Solve for the area of each separately.

<u>Cylinder</u>

The formula for volume of a cylinder is V = πr²h.  The radius is 7, and the height is 7.

V = πr²h

V = π(7)²(7)

V = π(49)(7)

V = 343π

V = 1077.57 cm³

<u>Rectangular Prism</u>

The formula for volume of a rectangular prism is V = lwh.  The length is 20, the width is 11, and the height is 9.

V = lwh

V = (20)(11)(9)

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V = 1980 cm³

Add the areas of the two shapes.

1077.57 cm³ + 1980 cm³ = 3057.57 cm³

Round to the nearest tenth.

3057.57 cm³ ≈ 3057.6 cm³

5 0
3 years ago
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