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3 years ago

Simplify 9x - 4 + 3x

Mathematics

1 answer:

rewona [7]3 years ago

3 0

Answer:

$4(3x - 1)$

Step-by-step explanation:

$9x - 4 + 3x$

Adding 9x & 3x gives 12x.

$= > 12x - 4$

Now taking 4 common from both the terms , we get :-

$4(3x - 1)$

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Lisa [10]

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3 years ago

Joseph pays $20 for his base phone plan in addition to the $0.23 per text. Micki pays $10 for her phne plan plus $0.15 per text.

Nostrana [21]

Not really Specific in asking in what way you want it answered... So here is what Im able to understand.

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Joseph : 20 + .23x = y

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3 years ago

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irinina [24]

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3 years ago

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During a blizzard it snowed 5 and 8/10in after a week the sun had melted 3 and 1/2 inches of snow how many inches of snow is lef

WITCHER [35]

$2\frac{3}{10}$ inches of snow is left

Solution:

Given that,

From given,

$Original\ amount\ of\ snow = 5\frac{8}{10}\ inches = \frac{10 \times 5 + 8}{10} = \frac{58}{10}\ inches$

$Sun\ melted = 3\frac{1}{2}\ inches = \frac{2 \times 3 + 1}{2} = \frac{7}{2}\ inches$

how many inches of snow is left

Snow left = original amount of snow - sun melted

$Snow\ left = \frac{58}{10} - \frac{7}{2}\\\\Snow\ left = \frac{58}{10} - \frac{7 \times 5}{2 \times 5}\\\\Snow\ left = \frac{58}{10} - \frac{35}{10}\\\\Snow\ left = \frac{58 - 35}{10}\\\\Snow\ left = \frac{23}{10}\\\\\In\ mixed\ fractions\\\\Snow\ left = 2\frac{3}{10}$

Thus $2\frac{3}{10}$ inches of snow is left

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3 years ago

What is the circumference of a circle with a radius of 7 centimeters? Use 3.14 for S.

marta [7]

Answer:43.98cm

Step-by-step explanation:

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