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Schach [20]
2 years ago
11

This quiz needs a reason and an answer

Mathematics
2 answers:
Slav-nsk [51]2 years ago
8 0

Answer:

y = 13 or -13

Step-by-step explanation:

13² = 169

I hope this helps you!!

Len [333]2 years ago
7 0

y = -13, 13

There are two answers because you are taking the square root of a number. If we go the other way, to check our work, (-13)^2 = 169 and (13)^2 = 169.

Hope this helps! :)

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3х + 1 = -11<br> What is the answer?
Fiesta28 [93]

Answer:

-4

Step-by-step explanation:

3x+1=-11

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/3   /3

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4 0
2 years ago
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Mia is three years older than twice her sister Brooke's age. The sum of their ages is
galina1969 [7]

Answer:

Brooke can be no older than 21

Step-by-step explanation:

M=3+2B

M+B is less than or equal to 30

3+2B+B=30

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Answer

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Step-by-step explanation:

7 0
2 years ago
F(x)=9÷4x-15 for x=4
enyata [817]

9/4x  -15     for x=4

To find this answer you must plug the 4 everywhere the x is located.

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Multiply 9/4 by 4

(9/4) x 4 = 9

Now we take our 9 answer and add it to -15.

9-15 = -6

The answer is -6

-

-

For the other equation, you also must plug in 3 where ever x is located in the equation.

5/3x -3/5

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Multiply 5/3 and 3

(5/3) x 3 = 5

Take that answer of 5 and add -3/5

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The answer to this equation would be 4 2/5 or 4.4

5 0
3 years ago
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Firlakuza [10]

Answer:

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Step-by-step explanation:

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5 0
2 years ago
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