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3 years ago

Someone please help, i already asked this but i really need this!!!

Mathematics

1 answer:

Vikki [24]3 years ago

6 0

Answer:

Step-by-step explanation:

Blue Triangles

Area of 1 blue triangle

Area = 1/2 B * H

B = 3 m

H = 4.5 m

Area = 1/2 * 3 * 4.5

Area = 1/2 13.5

Area = 6.75

Hold on. I forgot there were 4 triangles.

4 * 6.75 = 27 meters^2 of material

Green Base

Area = s * s

s = 3

Area = 3 * 3 = 9

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Which property is demonstrated in the equation 0 x 35 = 0?

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Step-by-step explanation:

the property of zero,

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What is 2\20 divided by 2

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3 years ago

The sum of the measures of angle Y and angle Z is 180 degrees. Angle Y measures (3x + 20) degrees and Angle Z measures x degrees

Minchanka [31]

A)
The question tells us that
y + z = 180
And
y=3x+20
z=x

So we put them in the first formula:

y + z = 180
(3x + 20) + x = 180

Add and get x to one side:
4x + 20 = 180
4x + 20 - 20 = 180-20
4x = 160
Divide both sides by 4
x = 40

B)
Put x back in to equation to get size of each angle:

Y =3x +20
Y=3(40)+20
Y=120+20
Y=140

Z=x
Z=40

Verify: y+z=180
140+40=180
180=180

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