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Ira Lisetskai [31]
3 years ago
13

N+22=31 Help... I'm a 6th that's Dumb okay not that but stupid

Mathematics
1 answer:
Ann [662]3 years ago
6 0

Answer:

n = 9

Step-by-step explanation:

<u>Lesson : Finding variables</u>

<u></u>

When trying to find a variable in an equation, you always have to get the variable alone.

n + 22 = 31

22 is with n , so we must get rid of it, subtract 22 from both sides:

n + 22 = 31

  -  22 = -22

n = 9

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Answer:

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. Write an equation that is perpendicular to y=2x – 1 and has y-intercept of -3
blagie [28]

The answer is very simple .

First you need to determine the slope, which is the reciprocal of the first line.

Then,

y = mx + b

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In the formula (y - y1) = m ( x - x1 ) + b , you should sustitude this value.

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1 year ago
PLEASE HELP I WILL GIVE BRAINLIEST!!!!!!
Natasha2012 [34]

Answer:

3rd answer EF =  2√13

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Triangle has legs a and b that are 6 and 4 units long so 6² + 4² = EF²

36 + 16 =  52

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EF = √4 * √13 = 2√13

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