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Aleksandr [31]
3 years ago
11

A(n) ___tells you how many times to add a number to itself

Mathematics
1 answer:
olga nikolaevna [1]3 years ago
8 0

Answer:

thats multiplication

Step-by-step explanation:

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barxatty [35]
-2,-7 because you go the same ammount in the opposite direction
8 0
4 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
To qualify for the long jump competition in track, an athlete must jump a combined distance of more than 16 meters in 3 jumps. J
Kipish [7]

Answer:

Yes.(16.088m combined jump)

Step-by-step explanation:

Combining jumps=4.76+5.428+5.9=16.088

16.088>16

Therefore Juan qualified for the competition

6 0
3 years ago
Answer this please its for math and its a test that could bring up my grade from a F
Annette [7]

Answer:

4.10

5. 16

6. B.

7. B.

8. A.

Step-by-step explanation:

I believe this would be it. Hoped this helped!

7 0
3 years ago
Samir needs 3/8 yard of a string for a project. He has a stick that is 1/8 long. How many 1/8 yard lengths does he need to measu
Katen [24]

Answer:

1/8 adry

Step-by-step explanation:

5 0
3 years ago
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