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jek_recluse [69]
3 years ago
6

Leila runs 7 miles in 60 minutes. at the same rate, how many miles would she run in 24 minutes?

Mathematics
1 answer:
igomit [66]3 years ago
5 0
Set it up as a ratio:

7/60=x/24

Cross multiply to get an equation, then solve.

60x=7x24
60x=168
x=2.8
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3 years ago
Please help me answer this question. I have the answer but i don’t know how to get to it.
Aleksandr [31]

Answer:

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Step-by-step explanation:

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3 years ago
Write a translation of the function f(x)= x^3 that has a vertical shift of -5 and a horizontal shift of -8
kondor19780726 [428]
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3 years ago
g A visit to a hospital emergency room for something as simple as a sore throat could have a mean cost of $328. Assume that this
Rasek [7]

Answer:

The cut-off dollar amount is $328.

Step-by-step explanation:

Normal Probability Distribution:

Problems of normal distributions can be solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the z-score of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the p-value, we get the probability that the value of the measure is greater than X.

Mean cost of $328, standard deviation of $82.

This means that \mu = 328, \sigma = 82

If you want to be in the bottom 50%, what will be the cut-off dollar amount?

The 50th percentile, which is X when Z has a pvalue of 0.5. So X when Z = 0.

Z = \frac{X - \mu}{\sigma}

0 = \frac{X - 328}{82}

X - 328 = 0*82

X = 328

The cut-off dollar amount is $328.

7 0
2 years ago
Round 375 to the nearest hundred
Aliun [14]
The nearest hundred would be 400
8 0
3 years ago
Read 2 more answers
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