Why multiplying the numerator and denominator of a fraction by the same number results in an equivalent fraction?

1 answer:

8 0

Im Not That sure But I Belive That If Denominators Are The Same Keep It And Just Do The Math In The Numerator's . ( For Adding ) But Multiplying You Do Both and If The Numerator Is The Bigger Than The Denominator Your Going To Have To Do Extra Math Like A Common Denominator ( I Belive ) .

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If a 25 ft rope is cut into two sections with one section 4 times as long as the other section, how long is the shorter piece?

DaniilM [7]

X = short section of rope
4x = longer section of rope

x + 4x = 25
5x = 25
x = 5

…or in other words the shorter piece of rope is 5 feet long

7 0

3 years ago

*WILL GIVE BRAINLIEST 15 POINTS*

vovangra [49]

The answer is D, this is because 9 times 12 times 18 equals to 1944 that times 1/2 basically means divided by two if you divide 1944 by 2 you get 972.

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3 years ago

Please help?!’ answerr

Ugo [173]

Answer:

The choice Draw 2

Step-by-step explanation:

$3(8 - 4x) < 6(x - 5) \\ 24 - 12x < 6x - 30 \\ 24- 12x + 12x < 6x + 12x - 30 \\ 24 < 18x - 30 \\ 24 + 30 < 18x - 30 + 30 \\ 54 < 18x \\ 54 \div 18 < 18x \div 18 \\ 3 < x \\ x > 3$

I hope I helped you^_^

6 0

3 years ago

Four girls and eight boys are running for president or vice president of the Student Council. What is the probability that the p

Sedaia [141]

The probability for a boy is 8/12 and the girls is 4/12 so that's a 4/12 diffrence

5 0

3 years ago

Which of the following is a reasonable estimated answer to the following problem?

bulgar [2K]

$989,867 \approx 1,000,000$
$999 \approx 1000$

$\implies \frac{989,867}{999} \approx \frac{1,000,000}{1000}$
$\frac{1,000,000}{1000} = 1000$

So the answer is approximately 1000.

4 0

3 years ago

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