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ehidna [41]
2 years ago
6

W^2+13w+36=(w+4)(w+?)

Mathematics
2 answers:
LiRa [457]2 years ago
6 0

Answer:

w1= -8, w2 = -4

Step-by-step explanation:

Galina-37 [17]2 years ago
6 0

Answer: w^{2} + 13w + 36 = (w + 4)(w  +  9)

Step-by-step explanation:

w^{2} + 13w + 36 = (w + 4)(w  +  ?)

w (w + ?) +4 (w + ?)

w² + ?w + 4w + ?

4w + ?w = 13w

Subtract both sides by 4w

?w = 9w

? = 9

4 (?) = 36

Divide both sides by 4

? = 9

w^{2} + 13w + 36 = (w + 4)(w  +  9)

Hope I helped!

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Please help! 10 points
Orlov [11]
<h2>Greetings!</h2>

Answer:

Angle A is 118°

Step-by-step explanation:

All angles in a circle add up to 180, so this means that all the measurements of the three angles add to 180:

x + 2x + 13 + x - 8 = 180

Clean it up:

3x + x + x + 13 -8

5x -5 = 180

To isolate the 5x, you need to move the +5 over to the other side, making it a negative 5:

5x = 180 - 5

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Now divide each side by 5 to get the value of 1x:

\frac{5x}{5}  = \frac{175}{5}

x = 35

So angle A is:

3x + 13

3(35) + 13 = 118

<h3>So angle A is 118°</h3>
<h2>Hope this helps!</h2>
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