09/09/15

If f(x) = 6x^2 - x^3, find f?'(1) and use it to find an equation of the tangent line to the curve y = 6x^2 - x^3 at the point (1, 5).
I am so lost please help
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09/09/15

Find all zeros by factoring each function.
Find all zeros by factoring each function. F(x)=x3+8 
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09/09/15

Suppose that Arlene can mow the entire lawn in 40 minutes less time with the power mower than she can with the push mower. One day the power mower broke down af
Suppose that Arlene can mow the entire lawn in 40 minutes less time with the power mower than she can with the push mower. One day the power mower broke down after she had been mowing for 30... more
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09/09/15

find four different digits that give four two-digit numbers which add to a total of 100
find four different digits that give four two-digit numbers which add to a total of 100
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09/08/15

A builder reduced the price of a model by 18 %. If the new price is $128,000, what was its original price? How much can be saved by purchasing the model?
Please help with this college algebra question!
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09/08/15

Using the digits from this set {1,2,3,4,5,6,7} how many different 3 digit numbers can be formed if digits can be repeated and it must be even
Using the digits from this set {1,2,3,4,5,6,7} how many different 3 digit numbers can be formed if digits can be repeated and it must be even
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09/08/15

more rolling dice
involving the sum of two die rolls.(1) What is the probability they sum to 11, 7, or 8?   (2) What is the probability they sum to at least 6?
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09/08/15

dice rolling
involving the rolling of two fair dice.What is the probability of one of the dice showing 4 or the sum being at least 8?
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09/08/15

After 21 fruits were added to the basket, there were 4 times as many fruits as before. How many fruits were in the basket before the addition?
 After 21 fruits were added to the basket, there were 4 times as many fruits as before. How many fruits were in the basket before the addition?
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09/08/15

need answer to below
Lola is placing appetizers on plates.  she has 63 spring rolls and 84 cheese cubes.  She wants to include both appetizers on each plate.  Each platemust have the same numbers of spring rolls and... more
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09/07/15

after a 85% reduction you purchase a new sofa for $81. what was the original price of the sofa?
im having a hard time in my math class
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09/07/15

In a season of football, every team plays every other team exactly one time. If there are 105 games played in one season, how many teams are in the league?
no details   In a season of football, every team plays every other team exactly one time. If there are 105 games played in one season, how many teams are in the league?
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09/07/15

List all vertical and horizontal asymptotes, if any, of f(x) and explain (using limits) why each is an asymptote.
Consider the function f(x) = [(x − 1)(x − 3)]/[2x(x+1)]   I think the vertical asymptotes are 0 and -1 and the horizontal asymptote is 1/2  please correct me if I am wrong...   I just need... more
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09/07/15

Given that the area of an equilateral triangle is 257cm^2, find its perimeter.
Given that the area of an equilateral triangle is 257cm^2, find its perimeter.
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09/06/15

How much water must be evaporated from 32 ounces of a 7 % salt solution to make a 8% salt? solution
How much water must be evaporated from 32 ounces of a 7 % salt solution to make a 8% salt? solution
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09/06/15

Write an equation of area A of the enclosure as a function of x for the rectangular area.
Three sides of a fence and an existing wall form a rectangular enclosure. The total length of a fence used for the three sides is 240 feet. Let x be the length of two sides perpendicular to the... more
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09/06/15

does anyone know the answer to this?
The cooling system of a car has a capacity of 25 liters. If the system is filled with a mixture that is 60% antifreeze, how much of this mixture should be drained and replaced by pure antifreeze so... more
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09/06/15

Find ?n(A?B').

Let A and B be subsets of U with ?n(A)=49, ?n(B)=64, ?n(A')=37, and ?n(A∩B)=30.Find ?n(A∪B').
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09/06/15

WORD PROBLEM
A 100% concentrate is to be mixed with a mixture having a concentrate of 42% to obtain 53 gallons with a concentrate of 71%. How much of the 100% concentrate will be needed? 
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09/05/15

Solve for L
solve 3LW=V
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09/05/15

Algebra Word Problem...
Kevin is three times as old as Bob. Three years ago the sum of their ages was 10. How old is each now? (Hint: Write an expression first for the age of each now and then for the age of each three... more
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09/05/15

If your car gets 25 miles to the gallon and gas is $3 a gallon and you have to drive 420 miles. How much would it cost?
If your car gets 25 miles to the gallon and gas is $3 a gallon and you have to drive 420 miles. How much would it cost?
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09/05/15

Find three consecutive integers such that six times the first integer is sixteen more than the twice the sum of the second and third integers.
Find three consecutive integers such that six times the first integer is sixteen more than the twice the sum of the second and third integers.
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09/05/15

How much should she allocate to each investment in order for the yearly incomes from them to be the same?
the lottery winner who is going to invest in utility bonds and a savings account using the following data: Assume that her total winnings are $ 200000, that the utility bonds will pay 3 percent per... more
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09/05/15

In how many years will the sales of the two companies be equal? What will be the sales of each company when they are equal?
about the sales of the ABC and XYZ companies using following data: Assume that the ABC company has sales of 4670000 dollars and it's sales are growing at a rate of 30000 dollars per year. Assume... more
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