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2 years ago

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Divide x 4 + 7 by x - 3. 3x 3 + 3x 2 + 9x - 27 R88 3x 3 + 3x 2 + 9x + 27 R88 x 3 + 3x 2 + 9x + 27 R88

1 answer:

Novosadov [1.4K]2 years ago

8 0

X<span> 3</span><span> + 3x</span><span> 2</span><span> + 9x + 27 R88 is the answer</span>

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Evaluate the expression 3.14(a2 + ab) when a = 3 and b = 4. (Input decimals only, such as 12.71, as the answer.)

GenaCL600 [577]

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sleet_krkn [62]

Let x be the degree of angle a.

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2 years ago

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In AWXY, m_W = (10x +17), m_X = (2x – 9)", and m_Y = (3x + 7)º.<br> Find mZY

ella [17]

Answer:

$m\angle Y=40^\circ$

Step-by-step explanation:

Suppose we have a triangle WXY whose internal angles are:

$m\angle W = 10x+17$

$m\angle X=2x-9$

$m\angle Y=3x+7$

The sum of the measures of the angles must be 180°, thus:

$10x+17 + 2x-9+3x+7=180$

Simplifying:

15x + 15 = 180

Subtracting 15:

15x = 165

Dividing by 15:

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Thus, the measure of angle Y is

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$\mathbf{m\angle Y=40^\circ}$

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1 year ago