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Elodia [21]
4 years ago
10

Simplify completely the quantity 4 times x to the third power plus 5 times x to the 2nd power plus 3 times x all over x. (2 poin

ts) 4x2 + 5x + 3 the quantity 4 times x to the 2nd power plus 5 times x plus 3 all over x 4x2 + 5x2 + 3x 4x4 + 5x3 + 3x2
Mathematics
1 answer:
ikadub [295]4 years ago
8 0

Answer:   4x² + 5x + 3

<u>Step-by-step explanation:</u>

\dfrac{4x^3+5x^2+3x}{x}\\\\\\=\dfrac{x(4x^2+5x+3)}{x}\qquad \text{factored out the common term from the numerator}\\\\\\=4x^2+5x+3\qquad \text{canceled out x from numerator and denominator}

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OverLord2011 [107]

Answer:

120 \frac{4}{5} or 120.8 miles per hour

Step-by-step explanation:

We first convert the distance into an improper fraction to facilitate calculation.

90 \frac{3}{5} = \frac{90\times 5 + 3}{5} = \frac{453}{5}

Average speed

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= \frac{453}{5} \times \frac{4}{3} miles per hour

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= 120 \frac{4}{5} miles per hour or 120.8 miles per hour

7 0
3 years ago
For the triangle above, find sin A. a. 36° c. 0.9323 b. 50° d. 0.385
Lerok [7]
The picture in the attached figure

we know that
in the right triangle ABC
sin A=opposite side angle A/hypotenuse

in this problem
opposite side angle A=BC-----> 10
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so
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the answer is
the option <span>d. 0.385</span>

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