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son4ous [18]
3 years ago
9

A scientist studied the number of eggs a species of bird lays each year. He found that the

Mathematics
1 answer:
Gnoma [55]3 years ago
7 0

Answer:

2+2 is 4 minus 1 is 3.

Step-by-step explanation:

Think about the question, you can't say that i am wrong.

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HELPPPPPPPPPPPPPPPPPPPPPPPPPPPPP MMMMMMMMMMMMMMMMEEEEEEEEEEEEEEEE
Fudgin [204]
Y=2x+1 I think this is correct but I don’t know how to do equations very well
3 0
3 years ago
Suppose m = 2 + 6i, and | m + n | = 3√10, where n is a complex number.
Ksju [112]

Answer: a) √50

b) n = 1 + 7i

Step-by-step explanation:

first, the modulus of a complex number z = a + bi is

IzI = √(a^2 + b^2)  

The fact that n is complex does not mean that n doesn't has a real part, so we must write our numbers as:

m = 2 + 6i

n = a  + bi

Im + nI = 3√10

Im + n I = √(a^2 + b^2 + 2^2 + 6^2)= 3√10

            = √(a^2 + b^2 + 40) = 3√10

             a^2 + b^2 + 40 = 3^2*10 = 9*10 = 90

             a^2 + b^2 = 90 - 40 = 50

            √(a^2 + b^2 ) = InI = √50

The modulus of n must be equal to the square root of 50.

now we can find any values a and b such a^2 + b^2 = 50.

for example, a = 1 and b = 7

1^2 + 7^2 = 1 + 49  = 50

Then a possible value for n is:

n = 1 + 7i

6 0
3 years ago
Find 30% of 70<br> a. 21<br> b. 36<br> c. 40
gtnhenbr [62]
A is your answer

We can cross multiply using x/70=30%/100

Solving it we get:
100x=2100 (70 times 30)
x=21


So we get a, 21 as your answer.

I hope this helped!
8 0
3 years ago
Read 2 more answers
Line A and Line Bare
Dimas [21]

Answer:

I think it b

Step-by-step explanation:

I had the same question

3 0
2 years ago
Stacy has $25 in her savings account.
Travka [436]

Answer:

The answer is 25+0.50x>150

6 0
3 years ago
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