4 years ago

Please help !! 30 points!

Mathematics

2 answers:

Pavlova-9 [17]4 years ago

4 0

Answer:

4n^3

Step-by-step explanation:

hope this helps :) :) have a good day

OLga [1]4 years ago

4 0

Answer:

4n^3

Step-by-step explanation:

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Find the value of 9y - 7 given that -2y + 1 = 7

krek1111 [17]

Answer:

Brainleist! I need points see below

Step-by-step explanation:

-2y+1=7

-2y = 6

y = -3

now plug in

9 (-3) - 7

-27-7

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Need points! Because this useless mod deleted my answers for no reason

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Read 2 more answers

Please answer below :-)

katrin2010 [14]

Step-by-step explanation:

$\frac{2x - 1}{4} + \frac{x}{3} = 2$

find a common denominator of 12 for each fraction

$\frac{3}{3} \times \frac{(2x - 1)}{4} + \frac{4}{4} \times \frac{x}{3} = \frac{12}{12} \times \frac{2}{1}$

$\frac{6x - 3}{12} + \frac{4x}{12} = \frac{24}{12}$

$\frac{6x - 3 + 4x}{12} = \frac{24}{12}$

$\frac{10x - 3}{12} = \frac{24}{12}$

multiply both sides by 12

$12 \times \frac{10x - 3}{12} = \frac{24}{12} \times 12$

12s cancel out

$10x - 3 = 24$

add three to both sides

$10x - 3 + 3 = 24 + 3$

$10x = 27$

divide both sides by 10

$\frac{10x}{10} = \frac{27}{10}$

The tens on the left side cancel

$x = \frac{27}{10} = 2.7$

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3 years ago

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Elanso [62]

Answer:

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