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elena-14-01-66 [18.8K]
3 years ago
7

Rewrite x2 − 8x + 13 = 0 in the form (x − a)2 = b, where a and b are integers, to determine the a and b values. a = 4 and b = 3

a = 3 and b = 2 a = 2 and b = 1 a = 1 and b = 4
Mathematics
2 answers:
Lyrx [107]3 years ago
6 0

Answer:

A

Step-by-step explanation:

neonofarm [45]3 years ago
3 0

Answer:

A

Step-by-step explanation:

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Delvig [45]
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3 years ago
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4 0
3 years ago
I now have another question to ask.
marissa [1.9K]

Answer:

23.6 ft

Step-by-step explanation:

Sketch a right triangle representing this situation.  The length of the hypotenuse is 26 ft and the angle of elevation from ground to top of ladder is 65°.  The "opposite side" is the reach of the ladder, which we'll call x.

Then:

                        opp

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or (26 ft)(sin 65°) = opp side = height off the ground of top of ladder.

Evaluating this, we get:

(26 ft)(0.906) = 23.56 ft, or, rounded off, 23.6 ft

The ladder reaches 23.6 ft up the side of the building.

8 0
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