1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
melomori [17]
3 years ago
14

Jack biked to his friend house at a speed of 10 mph. When he was returning home it was raining. So he biked much slower - at 6 m

ph. What was Jack's average speed on the way there and back?
Mathematics
1 answer:
AVprozaik [17]3 years ago
7 0

Answer:

  7.5

Step-by-step explanation:

The relation between time, speed, and distance is ...

  time = distance/speed

If distance is "1 round trip", then the time going is ...

  going = 0.5/(10 mi/h) . . . . for 1/2 round trip

and the time coming is ...

  coming = 0.5/(6 mi/h)

Then the average speed for the full round trip is ...

  speed = distance/time

  average speed = 1/(going + coming) = 1/(0.5/10 +0.5/6) mi/h

  = 1/((3+5)/60) mi/h

  = 60/8 mi/h = 7.5 mi/h

Jack's average speed for the round trip was 7.5 mph.

You might be interested in
How to solve the problem and the answer plz.
BlackZzzverrR [31]

Answer:

x° =125° y°= 125°

Step-by-step explanation:

55° + x° = 180° because they are complementry angles

solve for x by subtracting 55° from both sides

x° = 125°

x° and y° is equal because they are vertical angles

3 0
3 years ago
A triangle has sides with lengths of 8 millimeters, 11 millimeters, and 14 millimeters. Is it a right triangle?
Burka [1]

Answer:

no

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Mrs. mcglashan is making paint for her class
Alla [95]
What's the full question?
5 0
3 years ago
Read 2 more answers
Please help me answer these questions
sp2606 [1]

Answer: 1. D. IV

2. A. I

3. A. I

Step-by-step explanation: 1. You have to move the quadrilateral (the shape) 7 units to the right and down 5 units. You can see that it is in the fourth quadrant.

2. You have to flip the shape over the y-axis. It moves to the first quadrant.

3. If you rotate the shape to the right around the origin, it ends up in the first quadrant.

3 0
3 years ago
Lol does anyone have discord
larisa86 [58]

Answer:

I do!

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Other questions:
  • What's greater 20% or 0.02
    7·1 answer
  • what is the probability that a card picked at random from a 52-card deck of playing cards is a club or a jack?
    11·2 answers
  • ________ are ratios that name the same comparison
    13·2 answers
  • Write an explicit formula for the following sequence. Then generate the first five terms.
    6·1 answer
  • Help please!!!!!!!!!
    8·2 answers
  • Your teacher asked you to find a recipe that includes two ingredients with the ratio of 1/2 cup 1/8 cup give an example of two i
    11·1 answer
  • How do I work this out?
    15·2 answers
  • Find the first three terms of f(n + 1) = f(n) + 8, if f(1) = 27.
    11·1 answer
  • Resolver el problema
    14·1 answer
  • What is 30% of 60?????
    9·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!