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aniked [119]
3 years ago
13

A train travel 20 miles in 15 minutes 40 miles in 30 minutes and 60 miles in 45 minutes which equation represents the speed of t

he train in miles per hour
Mathematics
2 answers:
Verizon [17]3 years ago
6 0

Answer:

y = 80x

Step-by-step explanation:

In 30 minutes the train went 40 ml so in an hr the train would be at 80 ml

ExtremeBDS [4]3 years ago
4 0
Every 20 miles it went 5 minutes slower
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The hypothesis illustrates that the males in the group don't follow a same distribution as all the males that are in the United States.

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Based on the information given, it should be noted that the degree of freedom given in this case will be:

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By using the Excel function, the p-value is given as 0.0002. In this case, we've to reject the null hypothesis if the p value is less than 0.1.

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2 years ago
The price paid for a $15 shirt after a 45% discount is applied​
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3 years ago
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Suppose you invest $25,000 at simple interest rate r. If you receive $1,250 in total interest after four years, what is the inte
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\text{Hello!}

\large\boxed{1.25\%}

\text{Use the simple interest formula I = P * r * t where:}\\\\\text{I = amount of interest}\\\text{P = principle  (initial amount)}\\\text{r = interest rate}\\\text{t = time period}\\\\\text{Substitute the known values from the problem:}\\\\1250 = 25000 * r * 4\\\\1250 = 100000r\\\\r = 0.0125\\\\\text{Convert to a percentage:}\\\\0.0125 * 100 = 1.25\%

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