A home has a triangular backyard. The second angle of the triangle is 5degrees more than the first angle. The third angle is 7degrees more than two times the first angle. Find the angles of the triangular yard.

42,47,91

Step-by-step explanation:

Let the first angle = x

Second angle = 5 degree more = 5 + x

3rd angle = 7 degree more than two times = 7 + 2x

NOTE : sum of angles in a triangle = 180

X + 5+ x + 7 + 2x = 180

Collect like terms

X+x+2x +5 +7 = 180

4x + 12 = 180

4x = 180 - 12

4x = 168

Divide both sides by 4

4x/4 = 168/4

X = 42 degree

First angle = 42 degree

2nd angle = 5 + x = 5+42 = 47 degree

3rd angle = 7 + 2x = 7 + 2(42)

=7 + 84 = 91 degree

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Angle 1 = 42, Angle 2 = 47, Angle 3 = 91

Step-by-step explanation:

Angle 1 = x

Angle 2 = x + 5

Angle 3 = 2x + 7

x + x + 5 + 2x + 7 = 180°

combine like terms

4x + 12 = 180°

subtract 12 from both sides

4x = 168

divide both sides by 4

x = 42

x + 5 = 47

2x + 7 = 91

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step-by-step explanation:

6,250

step-by-step explanation:

to get the area, multiply 360 by 160.(57,600)

to find out how many bags of fertilizer it will take, first figure out how many square feet one bag can hold. divide 1000 by 8(125) to get the unit rate(how many square feet one pound of fertilizer can hold)and multiply it by 50(6250). if i haven't made a mistake, that is the answer.