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makvit [3.9K]
3 years ago
5

PLSSSSSSSS HELP (2 + 7i) - (6 + 8i) + (10 - 10i)

Mathematics
1 answer:
ElenaW [278]3 years ago
7 0

Answer:

6-11i

Step-by-step explanation:

(2 + 7i) - (6 + 8i) + (10 - 10i)

Distribute the minus sign

(2 + 7i) - 6 - 8i + (10 - 10i)

Combine like terms

2-6 +10     +7i-8i-10i

6                 -11i

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Find all of the zeros of the function f(x) = x^3 + 5x^2 + 6x. If there is more than one answer, enter your answers as a comma se
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There are more than one zero i.e. three zeros of the given polynomial.

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<h2>Step-by-step explanation:</h2>

We are given a function f(x) by:

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We know that the zeros of the function f(x) are the possible values of x at which the function is equal to zero.

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3 years ago
Perform the indicated operation. 22 6/7 ∙ 1 1/2
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Answer:

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Step-by-Step Explanation:

Given:

The expression to simplify

22\frac{6}{7}\times 1\frac{1}{2}

Convert the mixed fractions to improper fractions. This gives,

22\frac{6}{7}=\frac{22\times 7+6}{7}=\frac{160}{7}\\  1\frac{1}{2}=\frac{1\times 2 + 1}{2}=\frac{3}{2}

Now, we multiply to simplify.

\frac{160}{7}\times \frac{3}{2}= \frac{160\times 3}{7\times 2}=\frac{80\times 3}{7}=\frac{240}{7}=34\frac{2}{7}

Therefore, the product of 22\frac{6}{7}\textrm{ and }1\frac{1}{2} is 34\frac{2}{7}.

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