« previous next »

Author Question: A production engineer wanted to know how long it should take to make metal rods with a lathe. Four ... (Read 191 times)

NClaborn

  • Hero Member
  • *****
  • Posts: 560
on: Jun 24, 2018
A production engineer wanted to know how long it should take to make metal rods with a lathe. Four rods were made, and the time was recorded. The results were 28.5 seconds, 29.2 seconds, 31.8 seconds, and 29.7 seconds. Compute the total time to make all four rods.

Question 2

Dennis Rogers and Betty Chin opened a new art gallery. To help them get started, they borrowed 18,500 for one and one-half years at 8 ordinary simple interest (360-day year). Compute the total amount that they will repay.


stillxalice

  • Sr. Member
  • ****
  • Posts: 339
Reply #1 on: Jun 24, 2018
Answer to Question 1

28.5 + 29.2 + 31.8 + 29.7 = 119.2 seconds

Answer to Question 2

I = PRT = 18,500  0.08  1.5 = 2,220; 18,500 + 2,220 = 20,720


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

NClaborn

  • Hero Member
  • *****
  • Posts: 560
Reply #2 on: Jun 24, 2018
Thank you :)


stillxalice

  • Sr. Member
  • ****
  • Posts: 339
Reply #3 on: Jun 24, 2018
Happy to help you


« previous next »
 

Did you know?

Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.

Did you know?

Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.

Did you know?

Vital signs (blood pressure, temperature, pulse rate, respiration rate) should be taken before any drug administration. Patients should be informed not to use tobacco or caffeine at least 30 minutes before their appointment.

Did you know?

Drug abusers experience the following scenario: The pleasure given by their drug (or drugs) of choice is so strong that it is difficult to eradicate even after years of staying away from the substances involved. Certain triggers may cause a drug abuser to relapse. Research shows that long-term drug abuse results in significant changes in brain function that persist long after an individual stops using drugs. It is most important to realize that the same is true of not just illegal substances but alcohol and tobacco as well.

Did you know?

Anti-aging claims should not ever be believed. There is no supplement, medication, or any other substance that has been proven to slow or stop the aging process.

The U.S. Long-Term Ecological Research (LTER) network. The U.S. Long-Term Ecological Research (LTER) network.
Local and long–distance cell communication in animals. Local and long–distance cell communication in animals.
Bismuth metal Bismuth metal
Cotton Production and Slave Population, 1800–1860 Cotton Production and Slave Population, 1800–1860
Stand over a rocker base to make weight shifts. Stand over a rocker base to make weight shifts.
Long division of polynomials Long division of polynomials
Video: DNA Sequences - Dideoxy Sequencing

For a complete list of videos, visit our video library