1,642 Answered Questions for the topic Math Help For College
Math Help For College Math
04/12/16
the perimeter of a college athletic field is 104 meters and the length is 18 m more than the width. find the length and width
Need help i'm really lost on this question
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04/12/16
How long will it take the car to travel 100/6 meters?
The speed of car A after t minutes is 5*t m/s.
How long will it take the car to travel 100/6 meters?
The answer I got was 20, and even checked the back of my textbook, and that answer is...
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Math Help For College
04/12/16
i need to show work!! Thank you !
A coffee supply store waits until the orders for its special blend reach 100 pounds before making up a batch. Colombian coffee selling for $8.75 a pound is blended with Brazilan coffee selling for...
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04/10/16
What is the half-life?
It is known that the mass, m(t), of a radio-active substance decreases as it decays, and that the equation governing this is
m′(t)=−0.015m(t) where t is in years. What is the half-life?
I...
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Math Help For College
04/09/16
what percent of students preferred rock and roll music, rock and roll 270 if 1950 were polled and completed
Students at a high were polled to determine the type of music they preferred. There were 1950 students that completed the
poll. What percent of students preferred rock and roll music. Rock and...
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04/08/16
What is the area of an equilateral triangle with sides of length 1 unit?
Use the Pythagorean theorem to help you determine the are of an equilateral triangle with sides of length 1 unit.
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04/08/16
Would the distance be different than what they measured?
Carmina and ANtone measure that the distance between the spots where they are standing is 10 feet, 7 inches. When measuring, Antone held his end of the tape measure up 4 inches higher than...
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04/08/16
Is Bob's method for determining the area of the irregular shape valid or not?
Bob wants to find the area of an irregular shape. He cuts a piece of string to the length of the perimeter of the shape. He measures to see that the string is about 60 cm long. Bob then forms his...
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04/08/16
What would the rectangles look like?
What does it look like to draw four 4 different rectangles, all of which have a perimeter of 8 inches. At least 2 of your rectangles should have side lengths that are not whole numbers. (in inches)...
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Math Help For College
04/05/16
The length of a rectangle is 2 meters longer than three times the width. Use l for the length and w for the width of the rectangle
The length of a rectangle is 2 meters longer than three times the width. Use l for the length and w for the width of the rectangle
04/05/16
math question
Jaime has 29 coins. Some are dimes and some are quarters. If the coins are worth $5.30, how many are dimes?
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04/04/16
Need help with question about finding probability
Angel Sanchez has seven books on a shelf: 4 mysteries, 2 science fiction books, and 1 biography.. Two books will be selected at random. With replacement and without replacement determine the...
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Math Help For College
04/04/16
Math World Problem
Equal amounts are invested in each of three accounts paying 6%, 8%, and 12.5% annually. If one year's combined interest income is $1,245.50, how much is invested in each account?
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Math Help For College Math Word Problem
03/30/16
Truck can be rented
A truck can be rented from a company A for $150 a day plus $0.50 per mile. Company B chargers $60 a day plus $0.80 per mile to rent the same truck. How many miles must be driven in a day to make...
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03/28/16
Hey Guys I need helo with this math qustion
City -Duluth Population 588,450 Annual Percent Change (Growth Rate) - 3.2% dP/dt = 0.032P1 - Find an exponential function of the form P(t)=P0e^kt , which gives the population of the county in the...
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03/28/16
Conditional Probability & The Multiplication Rule
68% of the citizens approve of a governor. Only 47% of the citizens approve of both the governor and the lieutenant governor. If a randomly selected citizen approves of the governor, what is the...
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Math Help For College
03/27/16
Word problem stats
6 junior high classes will be chosen to participate in a school lunch survey. There are 23 junior high classes in the school. In how many ways can the classes be chosen?
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03/25/16
how can is happen that three different animals could be claimed largest?
Describe how it could happen that three different animals could each be claimed -rightfully- to be the largest of the three. Discuss the implications of this kind of situation for teaching students...
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03/24/16
how many dump truck loads?
A construction company has dump trucks that hold 10 cubic yards. If the company's workers dig a hole that os 8 feet deep, 20 feet wide, and 30 feet long, then how many dump truck loads will they...
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03/24/16
Which carpet is more or less expensive?
The smiths will be carpeting a room in their house. in one store, they see a carpet they like that costs $35 per square yard. Another store has a similar carpet for #3.95 per square foot. Is this...
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03/24/16
How much mulch?
How much mulch will you need to cover a rectangular garden that is 20 feet by 30 feet with a 3-inch layer of mulch?
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03/22/16
A scientist has two solutions
A scientist has two solutions, which she has labeled Solution A and Solution B. Each contains salt. She knows that Solution A is 20% salt and Solution B is 70%salt. She wants to obtain 160 ounces...
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03/22/16
Help! Math question about total interest.
Constance Hairston obtains a 30-year, $133,750 mortgage at 12% on a house selling for $159,000. Her monthly payment, including principal and interest, is $1376.29. How much of the total cost will...
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Mixed model problem
A 25% alchohol solution is to be mixed with a 45% water solution to obtain 8 liters of 35% alcohol solution. How many liters should be used?
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03/18/16
Rate of speed
A car leaves St Paul Minnesota at 4pm, a bus leaves at 5pm then travels in the same direction as the car, the car is 12mph faster then the bus, at 8pm the vehicles are 100 miles apart, what is the...
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