A motorboat can maintain a constant speed of 16 mph relative to the water. The boat makes a trip upstream to a certain point in 20 minutes; the return trip takes 15 minutes. What is the speed of the...
A motorboat can maintain a constant speed of 16 mph relative to the water. The boat makes a trip upstream to a certain point in 20 minutes; the return trip takes 15 minutes. What is the speed of the...
this is a word problem and I don't know how to go around solving it. please help. I have a test tomorrow.
The width of a certain rectangle is 2 inches more than twice it's length. If the perimeter of the rectangle is 46 inches find the length and the width
Two airplanes leave Birmingham at the same time and fly in opposite directions. If one travels 370 Miles per hour and the other 630 miles per hour,how long will it take for them to be 3000 miles apart If...
Wilma drove at an average speed of 50 mi/h from her home in City A to visit her sister in City B. She stayed in City B 15 hours, and on the trip back averaged 60 mi/h. She returned home 46 hours after...
Warren can run 80 yards in 10 seconds. Mark can run the same distance in 15 seconds. If Mark is 10 yards ahead of Warren when they both start running, how long does it take for Warren to catch Mark...
The value of 6 nickels is 5 6 cents. Likewise the value of x nickels is 5x cents. Write down (on your own paper) what the statements would be for dimes and for quarters. Then...
One number is 4 more than 3 times another. Their sum is 28. Find the two numbers.
Which is the better buy? Explain your reasoning
Assume that an average cell has a diameter of 6 micrometers (6*10^-6 meter), which means it has a volume of 100 cubic micrometers. how many cells are there in a cubic centimeter
When you reverse the digits in a certain two-digit number you decrease its value by 36. Find the numer if the sum of its digits is 12.
How do you solve this??
Please show the work in writing and solving the equation.
Train A leaves a station traveling at 80 kilometers per hour. Eight hours later, train B leaves the same station traveling in the same directionat 100 kilometers per hour.
From 1980 through 1995, payments in millions of dollars for Medicaid can be modeled by the polynomial f(x)=411x^2+194x+24,050 where x=0 corresponds to 1980. Approximate the amount of payments...
The pressure exerted by a certain liquid at a given point varies directly as the depth of the point beneath the surface of the liquid. The pressure at 50 feet is 21 pounds per square inch. What is...
Tyler rows 10 km downstream in 2 h. On the return trip, it takes him 4 h to travel 8 km. Determine his average rowing speed and the speed of the current.
An athletic field has dimensions 30yd by 100yd. An end zone that is w yards wide borders each end of the field.
kathy and leslie drive a total of 669 miles in 12 hours. Kathy drove the first part of the trip and averaged 65 miles per hour. Leslie drove the remainder of the trip and averaged 35 miles per hour...
You decide to market your own custom computer software.You must invest $2125 on computer hardware,and spend $4.25 to buy and package each disk.If each program sells for $10.50,how many copies must...