3 years ago

Please help im struggling so much!

Mathematics

1 answer:

Rus_ich [418]3 years ago

4 0

Hope this helps, if you need any extra help feel free to reply to this comment.

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What is the slope of the line through (-1,-7) and (3,9)

bazaltina [42]

m=4, therefore your slope is 4.

Steps:

m=y2-y1/x2-x1

Substitute values in:

m= 9-(-7)/3-(-1)

Then just simplify. :)

<em><u>Hope this helps. :)</u></em>

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Help me plz thank you

Free_Kalibri [48]

Answer:

9 momths =270 days

Step-by-step explanation:

9 month *30=270 days

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Give the reason for the steps used in solving the equation 3(x - 4) + 5 = 2x - 2(3 - x)

STALIN [3.7K]

$3(x - 4) + 5 = 2x - 2(3 - x) \\ 3x - 12 + 5 = 2x - 6 + 2x \\ 3x - 7 = 4x - 6 \\ 3x - 4x - 7 + 6 = 0 \\ - x - 1 = 0 \\ x = - 1$

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2 years ago

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Simplify 7m - 11n - n + 5m.

goblinko [34]

Answer:

The simplified form of the given expression is 12(m -n).

Step-by-step explanation:

The given expression is

$7m - 11n - n + 5m$

We need to simplify the given expression.

Rearrange the terms according to the variables.

$7m+5m - 11n - n$

On combining like terms, we get

$(7m+5m)+( - 11n - n)$

On simplification, we get

$(12m)+( -12n)$

$12m -12n$

Taking GCF common.

$12(m -n)$

Therefore the simplified form of the given expression is 12(m -n).

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4 years ago

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Kryger [21]

Answer:

Step-by-step explanation:

2x. add 8 to other side. you get 2x=12

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