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defon
3 years ago
13

Write square root -16 + square root 49 as a complex number in the form of a + bi.

Mathematics
1 answer:
kvv77 [185]3 years ago
6 0

Answer:

7 + 4i

Step-by-step explanation:

√49 + √-16

7 + 4i

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Answer:

d+8

Step-by-step explanation:

Let d represent number of dolls in 2nd basket.

We have been given that a day-care center has 2 baskets of dolls. One basket has 8 dolls, and the other basket has an unknown number of dolls in it. We are asked to represent this situation in an expression.

The number in both baskets would be equal to dolls in 1st basket plus dolls in 2nd basket.

We can represent this information in an expression as:

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Therefore, our required expression would be d+8, where d represents number of dolls in 2nd basket.

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3 years ago
And show me how to do the number line
ale4655 [162]
The answer would be C. This is because the larger the negative numbers get, the less value they have, so -8 would have a greater value than -9.

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3 years ago
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Answer:

5 miles

Step-by-step explanation:

1 meter is 0.000621371 mile

So you multiply

8,046.72 x 0.000621371 = 5


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3 years ago
Please help quick! Its a test!!
Firdavs [7]
Hey
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