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zmey [24]
3 years ago
8

Given the speeds of each runner below, determine who runs the fastest? ron runs 15 feet per second. Brooke runs 85 feet in 9 sec

onds. Adam runs 625 feet in 1 minute.
Mathematics
1 answer:
gavmur [86]3 years ago
4 0
Ron runs the fastest

Brooke runs 9.4 feel per second

Adam runs 10.4 feet per second

And if you times 15 * 60 you get 900

And if you times 15 * 9 which is 135 which only proves Ron’s the fastest
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Jessica, Lauren and Kimmie were paid a total of $120 for babysitting in a ratio of 2:3:5. How much less did Jessica make than Ki
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Answer:

Jessica makes $36 less than Kimmie  

Step-by-step explanation:

Let

x -----> amount paid to Jessica

y  ----> amount paid to Lauren

z ----> amount paid to Kimmie

we know that

x+y+z=120 ------> equation A

\frac{x}{y}=\frac{2}{3}

x=\frac{2}{3}y -----> equation B

\frac{y}{z}=\frac{3}{5}

z=\frac{5}{3}y -----> equation C

substitute equation B and equation C in equation A and solve for y

\frac{2}{3}y+y+\frac{5}{3}y=120

\frac{10}{3}y=120

y=120(3)/10

y=36

<em>Find the value of x</em>

x=\frac{2}{3}(36)=24

<em>Find the value of z</em>

z=\frac{5}{3}(36)=60

therefore

The  amount paid to Jessica was $24

The amount paid to Lauren was $36

The amount paid to Kimmie was $60

To find out how much less Jessica did than Kimmie, subtract the amount paid to Jessica from the amount paid to Kimmie.

\$60-\$24=\$36

therefore

Jessica makes $36 less than Kimmie

7 0
3 years ago
Answer it plzzz plz <br>you would live long if correct answer​
Ede4ka [16]

Answer: 3^15

Step-by-step explanation:

Explained in attached picture. Hope you'll find it easy to understand. If not, you can comment :)

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If you answer all ill give brainliest.
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Answer:

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3. n-6 (N could be 7)

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There are 220 people who voted at the 6th grade meeting.Sixty percent of the voters are in favor of changing the school mascot.H
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3 years ago
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