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Rom4ik [11]
3 years ago
5

Two cars started from the same point. one traveled north at 45 mi/h and the other traveled south at 65 mi/h. how far apart were

the cars after 3 hours?
Mathematics
1 answer:
Igoryamba3 years ago
4 0
They were 30mi away from each other 
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A train travels 90 3/5 miles in 3/4 of an hour. What is the average speed, in miles per hour, of the train? I also have to show
OverLord2011 [107]

Answer:

120 \frac{4}{5} or 120.8 miles per hour

Step-by-step explanation:

We first convert the distance into an improper fraction to facilitate calculation.

90 \frac{3}{5} = \frac{90\times 5 + 3}{5} = \frac{453}{5}

Average speed

= distance/time

= \frac{\frac{453}{5}}{\frac{3}{4}}miles per hour

= \frac{453}{5} \times \frac{4}{3} miles per hour

= \frac{604}{5} miles per hour

= 120 \frac{4}{5} miles per hour or 120.8 miles per hour

7 0
3 years ago
Please find the answer for this 2 question
maxonik [38]
Please show the entire question. What are you trying to do with these problems?
8 0
4 years ago
9,15,15,6,10,19,14,16 What is the Mean , Median , Mode and Range ?
lesya692 [45]

Answer:

The mean is 104 (Just add them all up)

The median is either 6 or 10 (its the number in the middle, sometimes there are two medians)

The mode is 15 (It shows up more than once)

The range is 13 (Take the smallest number and the highest number and subtract)

7 0
3 years ago
Read 2 more answers
There us 120 students in the 5th grade 50% of them have a dog, how many 5th grader have a dog?
dsp73
Hello!

First you have to convert the decimal into a percent

50% = 0.50

Multiply this by the amount of students.

120 * 0.50 = 60

The answer is 60

Hope this helps!
6 0
3 years ago
Read 2 more answers
Angie has a jar that contains 2 red marbles, 2 blue marbles, and no other marbles. She randomly draws 2 marbles from the jar. If
Fittoniya [83]
On first time probability of red one is 2/4 or 1/2
second time....it is 1/3 ....as one red is gone
third time .....1/2 or 0/3

so I will go with the E ....as 0/3×1/2×1/3= O
8 0
4 years ago
Read 2 more answers
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