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vekshin1
2 years ago
12

3(m - n + 2) + 6 - m​

Mathematics
1 answer:
julia-pushkina [17]2 years ago
8 0

Step-by-step explanation:

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There are 2 boys for every 3 girls. Today 5 new boys were added making the number of girls and boys the same. How many boys and
Anna11 [10]

Answer:

10 boys, 15 girls

Step-by-step explanation:

Original ratio: 2 boys/3 girls

let x be the scale factor of the ratio

2x plus 5 boys over 3x girls = 1 (because the # of boys/girls are the same)-------> 2x+5/3x = 1

Simplify: 2x+5=3x

Simplify: 5=x

plug x back into the original ratio: 10/15

Check: 10/15 = 2/3

10 boys + 5 boys = 15, 15/15 = 1

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andrew11 [14]
The average speed is 0.4 miles per minute
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3 years ago
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kolezko [41]

Answer: B.

Step-by-step explanation:

   See attached. We examine the equation and decide which situation, or problem, models it correctly.

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2 years ago
10 cm equal to cm can you help me.
Olenka [21]

Answer:

1000cm

Step-by-step explanation:

there are 100cm in a meter. so we multiply 10 by 100 to get the amount of centimeters in 10 meters which is 1000cm

4 0
2 years ago
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