09/06/16

Let A and B be subsets of U, n(U) = 100, n(A union B)' = 37, n(B-A)=40. Find n(A).

I can't find an example of how to solve when n(A) and n(B) are not given. Please help.

09/06/16

Find the equation and slope for a line that passes through the points (1,4) and (-2,10).Graph the line

finding equations and graphing 

09/06/16

the sum of 14 and a number equal to 17

 i have to write en equation fir the word problem

09/05/16

The difference between two positive integers is 3. If the smaller is added to the square of the larger, the sum is 207. Find the integers.

Having trouble answering this problem please help thanks

09/05/16

Numbers and

a number when divided by a divisor leaves a remainder of 24. When twice the original number is divided by the same divisor the remainder is 11. What is the value of the divisor?   

Find f(x) and g(x) that do not have a limit at x=0, but (fg)(x) does have a limit at x=0

 The two individual functions have no limit at x=0 but their product does have a limit at x=0

09/05/16

x, y, slope

Given the function 2x+y=7 find the following: a. X-intercept b. Y- intercept c. Slope

09/05/16

Numbers and

if x/(b-c)=y/(c-a)=z/(a-b)  then X+y+z=? 

College algebra math questions

Zachary wants to buy a rug for a room that is 12 ft wide and 15 ft long. He wants to leave a uniform strip of floor around the rug. He can afford to buy 108 ft squared of carpeting. What dimensions... more

Which systems of equations could be used to determine how much should be mixed to get 2 liters of the 40% solution?

He only has a 25% solution and a 75% solution available. He wants to make a 40% solution of a certain solvent. Answers: A.) x+y=2                             B.) x+y=2     .25x+.75y=.40        ... more

Robert drove to the beach on Friday, and back home on Sunday. What was his average speed on Sunday?

His average speed on Sunday was 10 mph slower than his average speed on Friday. It took him 3 hours to make the trip Friday, and 4 hours for the return trip Sunday. What was his average speed on... more

the surface rim of a canyon is at the attitide of 74m. hiker stops for rest 1141m below rim. then descends another 52m what is the new altitude?

the surface rim of a canyon is at the attitide of 74m. hiker stops for rest 1141m below rim. then descends another 52m what is the new altitude?

09/04/16

25,500 sq. ft. of warehouse space at Home Depot. Required 4 1/4 sq ft of space, how many cartons can be stored in this space?

how do i go about solving this? Where do i begin?

A car rental agency charges $250 per wk. plus $0.1 per mile to rent a car. How many miles can you travel in one week for $270?

Applications and formulas (Word Problems) Can you please explain the steps I am to take to get the answer.

09/04/16

Free fall physics word problem

In an action movie, the villain is rescued from the ocean by grabbing onto the ladder hanging from a helicopter. He is so intent on gripping the ladder that he lets go of his broefcase when he is... more

09/04/16

a rectangular garden 40m wide and 120m long is to be enclosed by a fence. If fence posts are placed every 10m, how many posts will be needed?

a rectangular garden 40m wide and 120m long is to be enclosed by a fence. If fence posts are placed every 10m, how many posts will be needed?

are <1 and <2 a linear pair

are <1 and <2 linear pairs  

09/04/16

Ball related question

An engineer designed a ball so that when it was dropped it rose with each bounce exactly one half as high as it had fallen. The engineer dropped the ball from a 24 foot platform and caught it after... more

09/04/16

A little girls mom said that she can have two pieces of gum each day. She gave her 40 pieces of gum. When will she have chewed 60% of her gum?

 A little  girls mother was trying to help her do less bubblegum. She said that she was allowed to chew two pieces a day. She gave her 40 pieces of gum. When with a little girl have chewed 60% of... more

Nita earned $8 per hour,h,for babysitting and got a $12 tip.If Nita earned $60 on Wednesday, how many hours did she work?

Nita earned $8 per hour,h,for babysitting and got a $12 tip. If Nita earned $60 on Wednesday, how many hours did she work?  

a parking lot has a length that is 9 yards greater than the width. area is 360 square yards . find the length and width

this is a quadratic equation the parking lot has a length that is 9 yards greater than the width and the area of the parking lot is 360 square yards find the length and width  

09/04/16

What price per cellphone unit gives them the maximum monthly sales?

A company of cellular phones can sell 200 units per month at 2,000 dollars each. Then they found out that they can sell 50 more cellphone units every month for each 100 dollars decrease in price .... more

Find the amount of each investment if her overall net profit was $2,250 The amount invested at 10% is $__ The amount invested in stock is $__

Susan Marciano invested part of her $22,000 bonus in a fund that paid a 10% profit and invested the rest in?stock that suffered a 5% loss. Find the amount of each investment if her overall net... more

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