2 years ago

Simplify the trigonometric expression.

Mathematics

1 answer:

marusya05 [52]2 years ago

4 0

Answer:

from the working in the photo

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$b = 9$

Step-by-step explanation:

$\frac{2}{3} b + 5 = 20 - b$

In order to solve for b, we must isolate the variable. We can start by subtracting 5 from both sides.

$\frac{2}{3} b + 5 - 5 = 20 - b - 5$

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Multiply everything by 3 to remove the fractions.

$3(\frac{2}{3}b+b) = 3(15)$

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Rewrite c(x) = x^2 + 5x + 2 / x - 3 in the form y = p (x) + r(x)/b(x) where r has degree less than b

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Answer:

B) $\frac{7}{7^5}$

Step-by-step explanation:

$\frac{7^3*7^-2}{7^5} =\frac{1}{2401}$

$\frac{7}{7^5} =\frac{1}{2401}$

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