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balandron [24]
3 years ago
12

Sophie bikes at a speed of s miles per hour. Her friend Rana is slower, her biking speed is only r miles per hour.

Mathematics
1 answer:
tamaranim1 [39]3 years ago
7 0
For this problem I got (20/r)-(20/s). 
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What is x in the equation x+3=9
densk [106]

Answer:

x=6

Step-by-step explanation:

x+3=9

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(9+4c)+(2+3x) add timed so hurry!
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Answer: 3x + 4c + 11

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At noon, a barista notices she has $20 in her tip jar. If she makes an average of $0.50 from each customer, how much will she ha
RSB [31]

Answer:

She has $20 + $0.50n in her tip jar.

Step-by-step explanation:

Amount in tip jar at noon = $20

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Therefore, we have:

Additional amount made after noon = Average amount made from each customer * Number of additional customers served after noon = $0.50 * n = $0.50n

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6 0
3 years ago
5. If 1/4 inch represents 5 yards, the number of inches needed to show a football field 100yards long is:​
alexdok [17]

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4 0
2 years ago
Subtracting 5 from each score in a distribution with a mean equal to 40 and a standard deviation equal to 3 will result in a sta
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Adding or subtracting a constant from each value of a distribution changes the mean, but not the standard deviation.


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