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Mademuasel [1]
3 years ago
14

of the 30 girls who turn out for the lacrosse team at Euclid Middle school, 12 were selected. of the 40 boys who tried out 16 we

re selected. are the ratios of the number of students on the team to the number of students trying out the same for both boys and girls? how do you know. write units for your answer.
Mathematics
1 answer:
deff fn [24]3 years ago
4 0

12 girls out of 30 were selected, so the ratio "selected:tried" if 12/30. This fraction can be simplified into

\dfrac{12}{30} = \dfrac{2}{5}

Similarly, 16 boys out of 40 were selected, so the ratio "selected:tried" if 16/40. This fraction can be simplified into

\dfrac{16}{40} = \dfrac{2}{5}

So yes, the ratio of the number of students on the team to the number of students trying out the same for both boys and girls

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sertanlavr [38]

Answer:

$19

Step-by-step explanation:

Given data

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f(x)=3x+10

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Hence the cost of 8 movies is $34, Kim needs extra

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5 0
3 years ago
The mathematical model C=500x+70000 represents the cost in dollars a company has in manufacturing x items during a month. How ma
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Answer:

500 items

Step-by-step explanation:

plug the $320000 into C

320000=500x+70000

1. substract 70000 from both sides (always get rid of adding/substracting first)

320000=500x+70000

<u>-70000 -70000</u>

250000=500x

2. divide both sides by 500 (you divide both sides by whatever number is in front of x so you can isolate it)

<u>250000/500=500x/500</u>

500=x

there you go :D good luck and have a good day

5 0
3 years ago
Alina is able to swim at a rate of about 2.5 miles per hour. Talia is able to swim at a rate of 1.8 meters per second. Which sta
bonufazy [111]

Answer:

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Step-by-step explanation:

there are 60 seconds in a minute and 60 minutes in an hour

so 1.8 meters/sec x 60 sec/min x 60 min/hr = 6480 meters/hr

now we convert meters to miles

6480 meters/1 hr x 1 mile/1609 meters = roughly 4 miles/hr (4.027)

or we can convert the other rate to meters/sec

2.5 mi/hr x 1hr/60 min x 1min/60 sec = 0.00069444 mi/sec

then convert miles to meters

0.00069444 mi/sec x 1609meters/ 1mi = roughly 1.1 meters/sec (1.117)

5 0
3 years ago
For spirit week at a local high school, students were encouraged to wear their school colors of green and white. 1,500 students
Firlakuza [10]

Answer:

17%

Step-by-step explanation:

1,500 + 300 = 1,800

300/1,800 ≈ 17%

4 0
3 years ago
The diameter of a volleyball is 8.15 inches. What is the volume of the ball, rounded to the nearest hundredth?
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<span>So we want to know the volume V of the volleyball if we know the diameter d=8.15 inches and we need to round it to the nearest hundreth. The volume of a volleyball is V=(4/3)r^3*pi, and since 2 radius are equal to the diameter we need to get the radius, so 2r=D and r=D/2 or r=4.075 inches. Now we get the volume after inputting the numbers: V=283.303032 inches^3. Rounded to the nearest hundreth: V=283.30</span>
7 0
3 years ago
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