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8_murik_8 [283]
3 years ago
6

Help!!! Solve for variable and show steps

Mathematics
1 answer:
denis23 [38]3 years ago
7 0

Step-by-step explanation:

here,

\sqrt{x + 4}  - 3 = 1

\sqrt{x + 4}  = 1 + 3

\sqrt{x + 4}  = 4

x + 4 = (4) ^{2}

x + 4 = 16

<u>x</u><u>=</u><u>1</u><u>6</u><u>-</u><u>4</u>

<u>x</u><u>=</u><u>1</u><u>2</u>

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Please helppp!!!!!! im giving all my points left
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7 0
3 years ago
Write an equation that shows there are 8 times as many football players than soccer players
damaskus [11]

Answer:

y = 8x

Step-by-step explanation:

Let:

y be football players and

x be soccer players.

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To get the number of football players, we need to find out the number of soccer players.

So,

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4 0
3 years ago
Beatrice built about 1/3 of a sandcastle. Linda built 4/7 of the same castle. What fraction of the sandcastle did they build tog
wlad13 [49]

Answer    

Find out the what fraction of the sandcastle did they build together .

To prove

Let us assume that the fraction of the sandcastle  they build together be x .

As given

Beatrice\ built\ about\ \frac{1}{3}\ of\ a\ sandcastle.

Linda\ built\ \frac{4}{7}\ of\ the\ same\ castle.

Than the equation becomes

x = \frac{1}{3} +\frac{4}{7}

L.C .M of (3,7) = 21

solving

x = \frac{7 + 3\times4}{21}

x = \frac{19}{21}

Therefore the fraction of the sandcastle did they build together be

x = \frac{19}{21}

Hence proved



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Step-by-step explanation:

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