04/28/15

How many grams of an alloy that is 50% gold should be melted with 50 grams of an alloy that is 6.25% gold to produce an alloy that is 25% gold?
How many grams of an alloy that is 50% gold should be melted with 50 grams of an alloy that is 6.25% gold to produce an alloy that is 25% gold?
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04/28/15

If is432 miles to Key West, which company has the better deal How many miles would William drive before he would be spending the same amount at either company?
william wants to rent a car for a trip to Key West for one week. He calls two car rental companies to get prices. Mr. Kotter's Rentals rents a Cadillac Escalade for $99 for one week plus $0.11 per... more
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04/28/15

Is this company a good idea for Joey based on the information below?
Joey has determine that the probability of someone cracking their iphone screen in any given month is 4% and fixing it would cost Joey $43 per phone. Joey is considering charging $9.99 pe month for... more
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04/28/15

Which of the 10 digits does A Represent
in the following problem? (A, S, M, and N are all different)   AS * A = MAN
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04/28/15

derivative of the following with respect to x1: x1 + x2 +x1x2 + x1 + x3 + x1x3 - (x1)^2
Mostly having trouble with the x1x2 and x1x3 derivatives for some reason, so some explanation there would be helpful.
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04/28/15

True or False the area of the ocean closest to a continent is the continental shelf.
I need help.
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04/28/15

evaluate the logarithm to 2 decimal places
log2913
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04/28/15

Math Question Help
Out of 8 bars in a town which offer to pay bands to perform, one is run by a sleazy operator who does not pay bands after they play, while the other seven bars pay the promised amount. 3a) If a... more
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04/28/15

newton's law of cooling states the temperature of a body at a time t after being introduced into an environment
Newton's law of cooling states the temperature of a body at a time t after being introduced into an environment having constant temperature To is A(t)=To+Ce-kt, where C and K are constants and t is... more
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04/28/15

What comment does the author make through the analogy at the end of this paragraph?
What comment does the author make through the analogy at the end of this paragraph?  Great geniuses have the shortest biographies. Their cousins can tell you nothing about them. They lived in,... more
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04/28/15

present ages of A&B are 50 years and 18 years respectively
present ages of A&B are 50 years and 18 years respectively in how many years will A be twice as old as B
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04/28/15

Find the probability
A student takes a 15-question, true/false exam and guesses on each question. Find the probability ofpassing if the lowest passing grade is 12 correct out of 15. Would you consider this event likely... more
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04/28/15

how to solve attached
how to solve this equation: http://assets.openstudy.com/updates/attachments/553fc131e4b09cdd472aed61-nickymail48-1430241604611-jjm.png
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04/28/15

Which sentence is best categorized as an analogy?
Which sentence is best categorized as an analogy? I think it is a can you helpa. The look she gave her husband was as frigid as a winter wind.b. He answered the questionnaire like a monkey with a... more
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04/28/15

Which poetic line contains both paradox and consonance?
Which poetic line contains both paradox and consonance? A. One summer day, all day I drove it hard B. How long it might last, how young it might be C. Ay, look, and he'll smile thy gloom awayD. At... more
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04/28/15

Find the total return
You have already invested $300 in a stock with an annual return of 11%. How much of an additional $1,400 should be invested at 12% and how much at 6% so that the total return on the entire $1,700... more
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04/28/15

You have already invested $300 in a stock with an annual return of 11%. How much of an additional $1,400
You have already invested $300 in a stock with an annual return of 11%. How much of an additional $1,400 should be invested at 12% and how much at 6% so that the total return on the entire $1,700... more
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04/28/15

Find the years
The following formula models the number of prison inmates P ,in thousands, who are in U.S. prisons x years after 1980.p= 2x^2+16x+338Find the first year in which the population of U.S. prisons was... more
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04/28/15

Must have a graph, and write an equation
the time interval between high tide and low tide in a river harbor is approximately 7 hours. The high tide depth of 16 feet occurs at noon and the average harbor depth is 11 feet. Write an equation... more
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04/28/15

Prove the identities vsecx- tanx/secx+tanx = 1/secx+tanx
help me 
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04/28/15

At 34 degrees north latitude, the longest day of the year has 14.273 hours of daylight, and the shortest day 9.726 hours. If the equinox falls on
march 21(day 80), model the hours of the daylight by day.      Sorry it all didn't fit and I really am stuck
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04/28/15

f(x) is a sinusoidal curve with maximum at f(0)=10 and next minimum at f(6)=0. Find the equation
I need help please
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04/27/15

Suppose S_1={u_1,u_2} and S_2={v_1,v_2} are each independent sets of vectors in an n-dimensional vector space V.
Let us assume that every vector in S_2 is a linear combination of vectors in S_1.Question: Does that mean that S_1 and S_2 are bases for the same subspace of V?I know that the answer to this... more
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04/27/15

world problem
Find how many quarts of 6% butterfat milk and 3% butterfat milk should be mixed to yield 90 quarts of 4% butterfat milk
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04/27/15

How can I find coordinates of the vertices of the figure after the given transformation?
Translation: 7 units right and 1 unit down J(-3,1), F(-2,3), N(-2,0)
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