3 years ago

1. What operation is being used in the equation? x + 15 = 22

Mathematics

1 answer:

Harlamova29_29 [7]3 years ago

5 0

Property of addition I think

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Divide 1 1/5 ÷ 2/3 plz awser in a mixed number and in simplest form.

katovenus [111]

1 $\frac{4}{5}$

change 1 $\frac{1}{5}$ to an improper fraction = $\frac{6}{5}$

to divide change ÷ to × and turn the divisor upside down

$\frac{6}{5}$ ÷ $\frac{2}{3}$ = $\frac{6}{5}$ × $\frac{3}{2}$

= $\frac{18}{10}$ = $\frac{9}{5}$ = 1 $\frac{4}{5}$

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3 years ago

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Step-by-step explanation:

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3 years ago

If r and s are positive integers, each greater than 1, and if 11(s-1) =13(r-1), what is the least possible value of (r+s)?

Tresset [83]

Answer:

The least value of (r+s) is (12+14)=26

Step-by-step explanation:

Well, first let us solve equation of 11(s-1)=13(r-1), which results in 11s-11=13r-13. Hence, 11s+2=13r. It is stated that r and s both are integers and greater than 1.

To make sure that r and s are integers, the least value of s must be equal to 14 (s=14) then the least value of r becomes 12 (r=12).

Finally, the least value of (r+s) is (12+14)=26.

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4 years ago

147 is 35%of what number? A. 51.45 B.420 C.514.5 D.4,200

Digiron [165]

B 420 is the correct answer, hope this helps

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