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ASHA 777 [7]
3 years ago
7

(-23+6i)+(-2+8i) Add subtract and multiply complex numbers

Mathematics
2 answers:
Mashcka [7]3 years ago
6 0
-25+14i is the answer that I got too
pishuonlain [190]3 years ago
5 0
I put this into photo math and this is what it gave me -25+14i
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The population of gray wolves in Wisconsin increased from 570 in 2007 to 660 in 2014. Find the percent increase in the wolf popu
melamori03 [73]

Answer:

15.78947% increase

Step-by-step explanation:

First: work out the difference (increase) between the two numbers you are comparing.

Increase = New Number - Original Number

Then:  divide the increase by the original number and multiply the answer by 100.

% increase = Increase ÷ Original Number × 100

7 0
3 years ago
The quotient of 24 and the sum of<br> -4 and<br> -8
pychu [463]

Answer:

0.75

Step-by-step explanation:

-4 x -8 = 32

24 divided by 32 = 0.75

6 0
3 years ago
In a direct variation, the ratio of y -values to x -values is equal to a constant.
liberstina [14]

Answer:

True

Step-by-step explanation:

The equation of direct variation is

y = kx ← k is the constant of variation

To find k divide both sides by x

\frac{y}{x} = k

That is the constant is the ratio of y- values to x- values

3 0
2 years ago
PLZ ANSWER CORRECTLY 1 2⁄6 ÷ 4 1⁄3
JulijaS [17]

Answer:

0.30715935334

Step-by-step explanation:

8/6 ÷ 13/3

1.33÷ 4.33

0.30715935334

5 0
3 years ago
Read 2 more answers
(HELP!)
denis-greek [22]

Let X be the random variable denoting the number of girls that are born. Then X has a binomial distribution on n=125 babies and probability of getting a girl p=0.5. The probability we want is

\mathbb P(X\ge60)=\displaystyle\sum_{x=60}^{125}\binom{125}x0.5^{125-x}0.5^x\approx0.704=70.4\%

7 0
3 years ago
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