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horrorfan [7]
2 years ago
7

Find the measure of angle A.

Mathematics
1 answer:
Sergeeva-Olga [200]2 years ago
7 0

Ans: The measure of exterior angle i.e angle A is -52⁰.

You meant to say that the measure of an angle A is on exterior angle so let me elaborate it you clearly,

x + 59 \\  =  - 7 + 59 \\=  - 52

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4x^2-2x-4=0 solve using quadratic formula
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Answer:

Step-by-step explanation:

Although you can start with 4x^2-2x-4=0, it's just slightly easier to reduce the coefficients.  4x^2-2x-4=0 becomes 2x^2 - x - 2 = 0.

The discriminant (part of the quadratic formula) is b^2 - 4ac.  Using b = -1. a = 1 and c = -2, we get (-1)^2 - 4(2)(-2), or 17.

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Then the quadratic formula   x = ---------------------------

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takes on the values  x = -----------------  =  ---------------

                                                  4                      4

4 0
3 years ago
Sole this question ? <br>30÷5+(9×5)-3²=<br>​
yuradex [85]

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Fynjy0 [20]

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5 0
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shepuryov [24]
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6 0
3 years ago
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