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alexgriva [62]
3 years ago
7

Which of the following are square roots of –8 + 8iStartRoot 3 EndRoot? Check all that apply.

Mathematics
2 answers:
Lelu [443]3 years ago
7 0

Answer:

the answer is the 2nd and 3rd option

Step-by-step explanation:

WITCHER [35]3 years ago
6 0

Answer:

2 and 3

Step-by-step explanation:

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What is the answer for 4i over 3+7i
icang [17]

Answer:

see explanation

Step-by-step explanation:

given \frac{4i}{3+7i}

To rationalise multiply the numerator/denominator by the conjugate of the denominator

the conjugate of 3 + 7i is 3 - 7i, hence

\frac{4i(3-7i)}{(3+7i)(3-7i)}

distribute the numerator/denominator

= \frac{12i-28i^2}{9-49i^2}

[ note that i² = - 1 ]

= \frac{12i+28}{9+49}

= \frac{28+12i}{58}

= \frac{28}{58} + \frac{12}{58} i

= \frac{14}{29} + \frac{6}{29} i ← in standard form



6 0
3 years ago
HELPPPPP PLEASEEEEEE !!!!!!!A recipe requires x number of cups of flour to produce y number of servings.
Makovka662 [10]
Looking at 1 1/2 makes 12 cups, you can divide them to see the total of cups it would make with one cup of flower. 1 1/2 is equal to 1.5 , and with that information we do 12 divided by 1.5 which is 8. the answer is 8 per 1 cup of flower.
8 0
3 years ago
Read 2 more answers
Francis is getting new carpet tiles in his living room and den. His living room and den are connected. He needs to figure out ho
Anna007 [38]
Area of den =8x3 = 24ft²
living room = 7x6 = 42ft²

total = 24+42 = 66ft²
3 0
3 years ago
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Solve this problem <br> 7|8-3h|=21h-49
tatiyna

Answer:

h=5/2

Step-by-step explanation:

5 0
3 years ago
Can someone help me with these two please , i’ll cashapp
Pavel [41]
3. 180 - (53+68) = 59

The answer is B. 59°

4.
Part A: The measure of a is 70°.

Explanation: The angle sum in any triangle is 180°. 70 + 40 is 110. To find the final angle, subtract 110 from 180. 180 - 110 = 70

Part B: The length of x is 5m.

Explanation. The triangle is an isosceles triangle. We know this because the two angles on the base are equal. Since this is an isosceles triangle, the two longer sides are the same length. Therefore: x = 5 m.
5 0
3 years ago
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