04/06/15

How do I solve y=2x^2 by graphing using quadratic function?
How do I work it out?
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04/06/15

Word Problem
in order to access the outer part of terminal at an airport, you must walk quite some distance in a tunnel that travels under part of the airport. To make the walk less difficult there is a moving... more
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04/05/15

The probability of rolling a number greater than 2 on a die is 2/3. Find the probability that on the next 7 rolls, exactly 3 show a number greater than 2?
 Got this as a question for homework and have completely lost my mind trying to solve it.
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04/05/15

Elizabeth bought 6 tomato plants and a new shovel.
She spent $35.91 for everything, and the shovel costs 4.5 times as much as a tomato plant. What is the cost of each plant and shovel?
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04/04/15

The probability the shipment will be rejected is...?
A shipment of 60 inexpensive digital watches, including 10 that are defective, is sent to a department store. The receiving department selects 10 at random for testing and rejects the whole... more
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04/04/15

How much milk does the plastic jug contain?
A plastic jug contains 2g gallons of milk more than a carton of milk. The plastic jug and the carton contain (8g+6) gallons of milk altogether.
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04/03/15

mean µ = 39 and standard deviation s = 10. Find the following probabilities. (Round your answers to four decimal places.)
(a) x is less than 60 (b) x is greater than 16 (c) x is between 16 and 60 (d) x is more than 60
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04/03/15

Word problem
A stone dropped from the rest travels 387 feet in the first 7 seconds. How far will it have fallen at the end of 8 seconds?
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04/03/15

How to figure out the expression that represents that total area in square inches of the scraps he dicarded?
Jeremy had a square piece of gift wrapping paper with a side length of x inches that he used to wrap a present. First he cut 6 inches off the right side of the paper and discarded the rectangular... more
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04/03/15

Can someone help me with the with calculating the Average Diffusion Rate
Calculate the Average diffusion rate from time zero for the different time at which you measured. Assume the diameter at time zero to be equal to zero. The formula is   Rate[mm/h]=... more
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04/03/15

Decreasing Margin of error
Suppose you want to decrease your margin of error by a factor of 6. By what factor, do you need to increase your sample size? In other words, if you want to decrease your margin of error from 42%... more
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04/03/15

choosing x and y coordinates in a direct variation
In direct variation is there any particular and unique method for selection of variables in x and y axis 
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04/02/15

Solve the mystery sentence
This sentence, from a story about an optimistic talking machine,begins with a first person singular subject pronoun, then has acerebral present tense active voice action verb; it has directobject... more
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04/02/15

Just need some help
In a year, Company A's revenue was 3/5 as large as Company B's revenue, but twice as large as Company C's. Company B's revenue is $3.4 million more than Company A, what were Company C's revenues?
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04/02/15

Could you break it down to details (step by step)
If the savings and loan gives you a 90% loan on a house valued at $288,500, how much additional cash must you produce as a down payment if you have already paid $14,500 in earnest money?
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04/02/15

P-value Statistics question!!!
In an opinion survey, the proportion of city residents in favor of a tax increase was p=158/300=.527. The resulting P-value was .18. Interpret the P-value in context.   A)Only 18% of the city... more
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04/02/15

How much of each type should be used to make a 28 pound blend that sells for 12 per pound?
The roasted bean charges $13 per pound for fair trade organic Mexican coffee and $11 per pound for fair trade organic Peruvian coffee. How much of each type should be used to make a 28-lbs blend... more
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04/02/15

word problem
Ten workers will be stuffing envelopes with letters to prospective clients. Each worker has to stuff, seal, address, and stamp 1,000 envelopes. However, there is no company letterhead available.... more
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04/01/15

find the point on f(x)=x^2 in the first quadrant that is closest to the point (0, 9/2)
find the point on f(x)=x^2 in the first quadrant that is closest to the point (0, 9/2)
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04/01/15

word problem
Four years ago, Rosita was three times as old as Matias was. In three years, Rosita will be only two years less than twice as old as Matias will be. How old are they no
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04/01/15

probability on marble
A bag contains 5 marble. One marble is black an the others are yellow. Samantha will randomly remove one marble at a time. What is the probability she will take out the black marble on her second... more
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04/01/15

question in description
a small pump can drain a pool in 8 hours. a large pump could drain the same pool in 7 hours. how long (to the nearest minute) will it take to drain the pool if both pumps are used simultaneously?
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04/01/15

Please help me solve math problem step by step
The U-Drive Rent-A-Truck company plans to spend $14 million on 260 new vehicles. Each commercial van will cost $45,000, each small truck $70,000, and each large truck $60,000. Past experience shows... more
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04/01/15

fFrieda’s garden is 13 yards wants to fence the entire length of one side of the garden. contractor's website gives the cos
i don't get what they are asking me.here is the rest of the question  The length of Frieda’s garden is 13 yards. Her father wants to fence the entire length of one side of the garden. The fencing... more
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04/01/15

construct a confidence interval of the population proportion if x=120, n= 200, and a 95% confidence
What is the 95% confidence interval?
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