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Flauer [41]
3 years ago
7

Help !! Hurry please!!

Mathematics
1 answer:
Blababa [14]3 years ago
7 0

Answer:20strikes for 10

Step-by-step explanation:

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X^2 + x - 56 = 0<br> Solve for x
NISA [10]

Answer: x = 7 or x = -8

x² + x - 56 = 0

⇔ x² + 8x - 7x - 56 = 0

⇔ x(x + 8) - 7(x + 8) = 0

⇔ (x - 7)(x + 8) = 0

⇔ x - 7 = 0

or x + 8 = 0

⇔ x = 7 or x = -8

Step-by-step explanation:

4 0
3 years ago
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What is the sum of the measures of the exterior angles in a nonagon? explain
DedPeter [7]

The sum of the measures of all exterior angle in a polygon with n sides is always 360^{\circ}.

Nonagon is a polygon with 9 sides. If this nonagon is regular or equiangular, then all interior angle are congruent, and therefore all exterior angles are congruent. Then the measure of each exterior angle is \dfrac{360^{\circ}}{9} =40^{\circ}.

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3 years ago
I need yalls opinion on sumthin ok
melisa1 [442]

Answer:

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7 0
3 years ago
If x = 13 then the value of \sqrt{x-5} is
statuscvo [17]

Answer:

2.23

Step-by-step explanation:

take the squareroot of 13-5

(it's been corrected)

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3 years ago
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What is the degree of the monomaniacal 4x7y3
NeTakaya
The degree is 10 because you had the exponents 7 + 3
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