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Eddi Din [679]
3 years ago
13

What is the product of 5−2i and 3−4i? Enter your answer, in standard form, in the box

Mathematics
1 answer:
Lelechka [254]3 years ago
7 0

Answer:

\boxed{7-26i}

Step-by-step explanation:

The binomials are multiplied in the usual way, using FOIL or the distributive property:

  (5 -2i)(3 -4i) = 15 -20i -6i +8i²

Since i² = -1, this becomes ...

  = 15 -20i -6i -8 = 7 -26i

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charle [14.2K]
1= 14
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3 years ago
What is 2 1/3 in simplest form ?
Gnesinka [82]

A mixed number is an addition of its whole and fractional parts.

2

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7

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3 0
3 years ago
How many lines of symmetry does this regular polygon have<br><br> A.0<br> B.1<br> C.2<br> D.5
REY [17]

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c

Step-by-step explanation:

the top pair and the middle pair

7 0
3 years ago
Read 2 more answers
Alexis received an 85, 89, and 92 on three tests. How many points does she need to score on her next test in order to have an av
Tpy6a [65]
Alexis needs to score at least 96 points on her next test in order to have an average of at least 90.

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6 0
3 years ago
Please tell me the steps to this problem. i will give brainliest
gayaneshka [121]

Option C: -3 is the average rate of change between x=-1 and x=1

Explanation:

The formula to determine the average rate of change is given by

Average rate of change = \frac{y_2-y_1}{x_2-x_1}

We need to find the average rate of change between x=-1 and x=1

Thus, from the table, we have,

x_1=-1 , y_1=5

x_2=1 , y_2=-1

Thus, substituting these values in the formula, we get,

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Thus, the average rate of change between x=-1 and x=1 is -3.

Hence, Option C is the correct answer.

6 0
3 years ago
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