Ask question

Ask question

All categories

3 years ago

9

A car travelling at 90km/h is 500m behind another car travelling at 70km/h in the same direction. How long will it take the firs

t car to catch the second?

1 answer:

MAXImum [283]3 years ago

6 0

Relative speed: 90 - 70 = 20 km/h

s = d ÷ t

t = d ÷ s

t = 500 m ÷ 20 km/h x 1000 m/h x 1 ÷ 60 hr/mins

t = 1.5 minutes.

You might be interested in

Three times a number, minus 2, is equal to two times the number, plus 7.

WINSTONCH [101]

Answer:

3x - 2 = 2x + 7

Step-by-step explanation:

4 0

3 years ago

Read 2 more answers

I am a boy looking for some type of hair product that keeps my hair in place. I don't want something that is like gel and that i

dybincka [34]

Answer:

Fix yo lid styling fibers

Step-by-step explanation:

It keeps my hair in place but also keeps my hair very soft and flowing. It is also not shiny at all, so that isn't an issue. I recommend the brand fix yo lid, but any light styling fiber should work for you.

7 0

3 years ago

Which statement is true

Yakvenalex [24]

Answer:

I think its. u must check with calculator

8 0

2 years ago

The lowest temperature ever recorded in the U.S. was - 79.8 degrees Fahrenheit in Prospect Creek, Alaska. Which of the following

BabaBlast [244]

Answer:

D

Step-by-step explanation:

Negative numbers are less than zero.

3 0

3 years ago

Show all of your work. Simplify the expression: - 3a + 7 + 5a

Eva8 [605]

Answer:

2a + 7

Step-by-step explanation:

-3a + 7 +5a

<em>subtract the negative 3 from the 5</em>

2a + 7

4 0

2 years ago

Read 2 more answers