2 years ago

Which of the following algebraic expressions represents the sum of 7 and one-fifth of x?

Mathematics

1 answer:

Simora [160]2 years ago

4 0

Answer:

Step-by-step explanation:

b because it say's 1/5 and 7 it do not say negative so yea

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4/7 divided by 1 3/4

poizon [28]

Answer:

16/49

Step-by-step explanation:

4/7 ÷ 1 3/4

Convert 1 3/4 into an improper fraction

4/7 ÷ 7/4

Find the reciprocal of 7/4 and multiply

4/7 * 4/7

16/49

Hope this helps :)

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3 years ago

Solve the simultaneous equations by substitution x − y = 8, x + 4y = 13

Evgesh-ka [11]

Answer:

x = 9; y = 1

Step-by-step explanation:

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2 years ago

A geometry fact that I find helpful. (Brainly, please don't take this down it is very educational)

sergeinik [125]

Answer:

Thank you so much for this

Step-by-step explanation:

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3 years ago

Read 2 more answers

in a history class the girl to boy ratio is 9 to 5 if there are a total of 70 students, how many boys are there

Nikolay [14]

Answer:

Girls: 45

Boys: 25

Step-by-step explanation:

$9 + 5 = 14$

$70 \div 14 = 5$

$9 \times 5 = 45$

$5 \times 5 = 25$

Awnser Check:

$45 + 25 = 70$

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3 years ago

–11 – (–15) A. –26 B. –4 C. 4 D. 26

nlexa [21]

Your answer is gonna be C. 4
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3 years ago