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Aleonysh [2.5K]
2 years ago
9

There are 120 athletes

Mathematics
2 answers:
ivann1987 [24]2 years ago
7 0

Answer:

1. the number of girls in the club as a percentage of the total number of registered

athletes -

40\%

2. the ratio of girls : boys registered at the club. : -

=》2 : 3

Step-by-step explanation:

here's the solution : -

percentage of girls in the club :

=》

\frac{total \: girls}{total \: athletes}  \times 100

=》

\frac{48}{120}  \times 100

=》

\frac{4800}{120}

=》

40\%

so, 40 % of athletes are girls.

now,

number of boys = 120 - 48 = 72

ratio of girls : boys : -

\frac{number \: of \: girls}{number \: of \: boys}

=》

\frac{48}{72}

=》

\frac{ {2} }{3}

so, their ratio = 2 : 3

polet [3.4K]2 years ago
5 0

Answer:

0.48%

when we subtract 48 from120 we get 72 so 72 is the number of boys are there so we divise them and we get 2 ratio 3

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2 years ago
Click an item in the list or group of pictures at the bottom of the problem and, holding the button down, drag it into the corre
wel

Answer:

z=\frac{15\sqrt{3}}{2}

Step-by-step explanation:

In leftmost triangle:

opposite side =y

adjacent=a

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tan(60)=\frac{y}{a}

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y=atan(60)

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opposite=y

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now, we can use trig formula

tan(30)=\frac{y}{15-a}

now, we can solve for y

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3 years ago
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Answer:

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Step-by-step explanation:

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6 0
2 years ago
The claim is that the proportion of adults who smoked a cigarette in the past week is less than 0.30​, and the sample statistics
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Step-by-step explanation:

let p be the population proportion of adults who smoked a cigarette in the past week.

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Hence, the value of the test statistic = 0.84

6 0
3 years ago
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