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Georgia [21]
3 years ago
15

A diesel train traveled to the repair yards and back. It took two hours longer to go there than it did to come back. The average

speed on the trip there was 70 km/h. The average speed on the way back was 80 km/h. How many hours did the trip there take?
A) 15
B) 16
C)25
D) 10
Mathematics
1 answer:
erastovalidia [21]3 years ago
7 0
The answer is B 16hrs
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Can u pls help me with this question ​
scZoUnD [109]

Answer:

2 to 3 = 6/9

18 to 12 = 6 to 4

15/45 = 1:3

3:2 = 12 to 8

7:4 = 21/12

2/5 = 4 to 10

4 0
3 years ago
Limx²-9x+20<br> x-&gt;4 x-4?
Gala2k [10]

Answer:

-1

Step-by-step explanation:

lim x tends to 4 (x^2-9x+20)/(x-4). (x^2-9x+20)(x-4)=x-5.

So the limit is 4-5=-1

3 0
3 years ago
Kyle's school is 2.34 mi from his house. One day, he rode his bike 2.5 times that distance
ale4655 [162]

Answer: About or Around 5.85

Step-by-step explanation:

All you do is times 2.34 times 2.5 and you get 5.85

I couldn't work this out on here because I don't know how to get it on the way I want it.

5 0
3 years ago
SOMEONE PLEASE HELP ME step by step instructions
Luba_88 [7]
1.
v of cylinder=πr^2*h
3.14*8^2*18
BEDMAS
3.14*64*18
201*18
3168
there fore the volume is 3168
do the same thing but with the formula of cone volume for question 2
8 0
3 years ago
How do you compare 3.207 and 3.027
Elden [556K]
Just look at the 2 and the 0 in the hundred's place. There's your answer. 3.20 is greater than 3.02
3 0
4 years ago
Read 2 more answers
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