3 years ago

20x3 - 45x2 + 21x + 25 \ 4x - 5

1 answer:

4 0

Answer:

80x3 - 180x2 + 109x - 20

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Step-by-step explanation:

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Llana [10]

Answer:

Step-by-step explanation:

pls mark brainliest

multiply the numerator and denominator by the same number so, that all the fractions have a denominator of 12.

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3 years ago

sukhopar [10]

Answer: $\frac{29}{2}$ ÷ $\frac{5}{4}$ , $\frac{29}{2}$ × $\frac{4}{5}$

Step-by-step explanation: Let me know if you need an explanation.

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3 years ago

Paul [167]

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3 years ago

vitfil [10]

Answer:

α=39.80°

Step-by-step explanation:

applying the law of sin and cos, we have:

$sin\alpha =\frac{75}{117}=0.6410\\\alpha =acs(0.64)= 39.79$

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3 years ago

spayn [35]

7z + 10 - z = 8z - 2(z - 5)
7z + 10 - z = 8z - 2z + 10
6z + 10 = 6z + 10
6z - 6z = 10 - 10
0 = 0

Therefore, 7z + 10 - z = 8z - 2(z - 5)

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3 years ago