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2 years ago

when juggling a ball travels in a complete circle every 2 seconds. how many circles does it make in a minute

Mathematics

2 answers:

Gre4nikov [31]2 years ago

7 0

Answer:

30 circles

Step-by-step explanation:

Because there are 60sec in a minute so divide it by two.

andrew11 [14]2 years ago

3 0

Answer: It makes 30 circles in a minute

Step-by-step explanation:

Cirle every 2 seconds

A minute is 60 seconds

So you divide those to get your answer

60 divided by 2= 30

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Answer:

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Step-by-step explanation:

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DaniilM [7]

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3 years ago

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siniylev [52]

Answer:

Step-by-step explanation:

You know that it takes 3 mins for 45 sit-ups so then you wanna find how much for 1 minute. It shows 3 mins which is 3 times as much as 1 minute. There, 3/3 = 1. then you have to do it with the sit-ups too. so 45/3 = 15

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2 years ago

The ratio of boys to girls in the ninth grade is 6:5. If there are 185 girls in the class, how many boys are there?

xeze [42]

Answer:

$222$ boys

Step-by-step explanation:

Let $x$ = total number of ninth graders. By knowing how many students there are in the grade, we can find for the number of boys.

$\frac{5}{6+5}x = 185$ (number of girls in ninth grade)

$\frac{5}{11}x = 185$

$x=407$

To find for the number of boys, we can use substitution:

$\frac{6}{6+5}x = \frac{6}{11}(407)$

$=222$

∴ There are $222$ boys in the class.

Hope this helps :)

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2 years ago

Read 2 more answers

Solve for Y!!!!!!!<br>12x+16y=96

Veseljchak [2.6K]

12x + 16y = 96

Subtract 12x from both sides

16y = 96 - 12x

Divide each side by 16

y = 6 - 0.75x

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3 years ago