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2 years ago

Help me plz on #18 plz

Mathematics

2 answers:

tatiyna2 years ago

8 0

You can cross multiply. 36 times 3 is 108. then divide 108/18x which gives you 6.

azamat2 years ago

4 0

3/6 is equal to 18/36 This is because 3times 6 is 18 so 36 divides by 6 is 6

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Ad libitum [116K]

Answer:

In what article are you most likely to find the sentence “The coma streamed out until it formed a tail of dust and light”?

“Comets in the Sky”

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Step-by-step explanation:

8 0

2 years ago

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Simplify: (4x2 + 8xy + 2y2) − (−9x2 − 4xy − 7y2)

PSYCHO15rus [73]

You're answer will be C 13x2+12xy+9y2

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3 years ago

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Sixty percent of Company A’s employees are considered top performers. Fifty five percent of Company A’s employees are in a rigor

Vikki [24]

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5 0

3 years ago

It takes Emily 9 minutes to bicycle 3/10 of the way to school. How many minutes does it

xeze [42]

Answer:30

Step-by-step explanation:

3/10x=90

Use reciprocal to multiple both sides

x=answer

6 0

3 years ago

If you add 21 to my number and then multiply the result by 3, you will get 84 more than two-thirds of my number. Find my number.

Ksivusya [100]

Based on the calculations, the unknown number is equal to $\frac{-45}{7}$

Let the unknown number be x.

<h3>How to find an unknown number:</h3>

Translate the word problem into an algebraic expression, we have;

Adding 21 to the unknown number:

$21 +x$

Multiplying the result by 3:

$3\times (21+x)$

84 more than two-thirds of the unknown number:

$\frac{2x}{3} +84$

Equating the equations, we have:

$3\times (21+x) = \frac{2x}{3} +84\\\\43+3x=\frac{2x}{3} +84$

Cross-multiplying, we have:

$43+3x=\frac{2x}{3} +84\\\\129+9x=2x+84\\\\9x-2x=84-129\\\\7x=-45\\\\x=\frac{-45}{7}$

Read more on word problems here: brainly.com/question/13170908

5 0

2 years ago