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rodikova [14]
3 years ago
12

Solve x^2 − 7x − 8 = 0 by factoring

Mathematics
1 answer:
Kobotan [32]3 years ago
5 0

Answer:x=−1 or x=8

Step-by-step explanation:

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PLEASE SHOW YOUR WORK!!!<br><br><br><br><br><br> Solve for y: 3^3 + 14 y- (25y - 13) = y + 7y - 9y
Marina86 [1]
<h2 /><h2>⟹</h2>

Rearrange the equation by subtracting what is to the right of the equal sign from both sides of the equation :

3^3+14*y-(25*y-13)-(y+7*y-9*y)=0

Equation at the end of step 1

((3³ + 14y) - (25y - 13)) - -y = 0

Pull out like factors :

40 - 10y = -10 • (y - 4)

Equation at the end of step3:

-10 • (y - 4) = 0

STEP4:

Equations which are never true:

Solve : -10 = 0

This equation has no solution.

A a non-zero constant never equals zero.

Solving a Single Variable Equation:

Solve : y-4 = 0

Add 4 to both sides of the equation :

y = 4

<h2>y = 4</h2>

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3 years ago
Please help 15 points will give brainliest
torisob [31]

Answer:

Step-by-step explanation:

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m∠2 = 24°

6 0
3 years ago
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nadezda [96]

Answer:

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Step-by-step explanation:

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125(1.6)

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storchak [24]

Answer:

b

Step-by-step explanation:

because a ste and leaf plot have the value for 2

6 0
3 years ago
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