3 years ago

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Mathematics

1 answer:

evablogger [386]3 years ago

4 0

One will be c
and 2 will be b

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Answer:

Help with what?

Step-by-step explanation:

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3 years ago

Given sin r = 0.5, what is cos r?

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sammy [17]

Answer:

Explanation:

7. f(x) = x^4 + 3x^3 - 6x^2 - 10x + 8
f(2) = 2^4 + 2^3 - 6^2 - 10(2) + 8
f(2) = 16 + 8 - 12 - 20 + 8
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8. x^2 - 9 = (x - 3)(x + 3)
x ^2 + x - 6 = (x + 3)(x -2)

Thus, the common factor is x + 3

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Nathan drove 275.2 miles on 8 gallons of gas. Divide 275.2 by 8 to find the average number of miles per gallon for Nathan's car.

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34.4 miles per gallon

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Read 2 more answers

A fifth-degree polynomial equation with rational coefficients has the roots 3, 8i, and 7- radical 5. Which are also roots of the

Sliva [168]

Using <u>complex numbers and radicals</u>, it is found that the correct option is C.

When a complex number is a root of a polynomial function, it's conjugate also has to be.

Hence, since 8i is a root of the function, -8i is also a root.

The same is valid for radicals, as they are in the $\pm$ format.

Since $7 - \sqrt{5}$ is a root, $7 + \sqrt{5}$ is also a root.

Hence, option C is correct.

For more on <u>complex numbers and radicals</u>, you can check brainly.com/question/25173944

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2 years ago