This topic contains a solution. Click here to go to the answer

Author Question: A car is making a 12-mile trip. It travels the first 8.0 miles at 30 miles per hour and the last 4.0 ... (Read 169 times)

HCHenry

  • Hero Member
  • *****
  • Posts: 591
A car is making a 12-mile trip. It travels the first 8.0 miles at 30 miles per hour and the last 4.0 miles at 60 miles per hour. What is the car's average speed for the entire trip?
 
  A) 36 mph
  B) 40 mph
  C) 44 mph
  D) 48 mph
  E) 52 mph

Question 2

A car is making a 12-mile trip. It travels the first 6.0 miles at 30 miles per hour and the last 6.0 miles at 60 miles per hour. What is the car's average speed for the entire trip?
 
  A) 20 mph
  B) 35 mph
  C) 40 mph
  D) 45 mph
  E) 50 mph



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

olivia_paige29

  • Sr. Member
  • ****
  • Posts: 334
Answer to Question 1

A

Answer to Question 2

C




HCHenry

  • Member
  • Posts: 591
Reply 2 on: Jul 29, 2018
Great answer, keep it coming :)


brbarasa

  • Member
  • Posts: 308
Reply 3 on: Yesterday
:D TYSM

 

Did you know?

Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.

Did you know?

There are more nerve cells in one human brain than there are stars in the Milky Way.

Did you know?

Studies show that systolic blood pressure can be significantly lowered by taking statins. In fact, the higher the patient's baseline blood pressure, the greater the effect of statins on his or her blood pressure.

Did you know?

Complications of influenza include: bacterial pneumonia, ear and sinus infections, dehydration, and worsening of chronic conditions such as asthma, congestive heart failure, or diabetes.

Did you know?

The effects of organophosphate poisoning are referred to by using the abbreviations “SLUD” or “SLUDGE,” It stands for: salivation, lacrimation, urination, defecation, GI upset, and emesis.

For a complete list of videos, visit our video library