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postnew [5]
3 years ago
5

At 3:15 p.m a train from New York to Washington D.C.is traveling at 60 miles per hour (mph). You must be in Washington D.C. by 5

:15 p.m. The trip from New York to Washington D.C. is 240 miles. Will you make it on time? If you do not make it on time, what time will the train arrive in Washington D.C.? Explain your reasoning.
Mathematics
1 answer:
xenn [34]3 years ago
3 0

Answer:

they would arrive at 4:15 so they will not make it in time 60 mins is 1 hour so that is the answer

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Kyle received the following course grades for 10​ (three-credit) courses during his freshman​ year:
timofeeve [1]

Answer:

(a) The average grade point is 2.5.

(b) The relative frequency table is show below.

(c) The mean of the relative frequency distribution is 0.3333.

Step-by-step explanation:

The given data set is

4, 4, 4, 3, 3, 3, 1, 1, 1, 1

(a)

The average grade point is

Average=\frac{\sum x}{n}

Average=\frac{4+4+4+3+3+3+1+1+1+1}{10}

Average=2.5

Therefore the average grade point is 2.5.

(b)

\text{Relative frequency}=\frac{\text{Frequency of number}}{\text{Total frequency}}

The relative frequency table is show below:

x                 f                  Relative frequency

4                3                 \frac{3}{10}=0.3

3                3                 \frac{3}{10}=0.3

1                 4                 \frac{4}{10}=0.4

(c)

Mean of the relative frequency distribution is

Average=\frac{0.3+0.3+0.4}{3}

Average=0.3333

Therefore the mean of the relative frequency distribution is 0.3333.

4 0
3 years ago
Write a proportion for the following word problem.
Rashid [163]

<12> starting number <75%> next number your new hourly rate would be higher also know as 75% more meaning the answer to how much more i would get is <12> + <75> = <87>

6 0
3 years ago
If three times a number decreased by 10 is 25, what is the number
mafiozo [28]
Let the number be n
3*n - 10=25
3*n=25+10
3*n=35
n=35/3=11*2/3=11.67
4 0
3 years ago
Can someone please answer?
Lady_Fox [76]

Answer:

Volume = 803.84 cubic inches

Step-by-step explanation:

Volume = πr²h

= 3.14 x 8 x 8 x 4

= 3.14 x 256

= 803.84 cubic inches

7 0
3 years ago
Help me ASAP please.
Leni [432]

Answer:

Step-by-step explanation:

The vertex will occur when t=-b/(2a) for the quadratic ax^2+bx+c

In this case

t=-200/(2(-16))

t=-200/-32

t=6.25

g(6.25)=-16(6.25^2)+200(6.25)

g(6.25)=625ft

So the maximum height of the rocket is 625 feet and it reaches this height at 6.25 seconds.

4 0
3 years ago
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