10/26/14

By how many seconds does his book beat yours to the water?
After the semester, you discover that the math department has changed textbooks (again) so you can keep the textbook issued to you at the beginning of the year. Having learned all you could... more
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10/26/14

Consider the following experiment. You roll a fair die and flip a fair coin, if the coin comes up tails the result of the experiment is the value of the die. I
all details for question are in the question section.
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10/26/14

Biologist tagged 53 penguines in Antarctica during mating season
Biologist tagged 53 penguines in Antarctica during mating season.  The next year, they caught 82 penguines and found that 11 of them had tags.  estimate the total number of penquines in the area.
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10/24/14

The teachers at P.S. 125 are having a bake sale to raise money for the Rlay for Life.
The teachers at P.S. 125 are having a bake sale to raise money for  the Rlay for Life. Ms. Amato baked 5 times as many as Ms Frank. Ms. Silver baked 9 times as many as Ms Frank. Ms. Bugatti... more
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10/23/14

A cuboid has a square base of side x cm. The height of the cuboid is (x + 4) cm. The volume of the cuboid is 150cm^3. Show that x^3 + 4x^2 = 150
A cuboid has a square base of side x cm. The height of the cuboid is (x + 4) cm. The volume of the cuboid is 150cm^3. Show that x^3 + 4x^2 = 150
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10/23/14

Financial and Finite Math question......(word problem).
National Business Machines manufactures 2 models of fax machines: A and B. Each model A costs $100 to make, and each model B costs $150. The profits are $30 for each model A and $40 for each model... more
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10/23/14

probability, using direct and indirect reasoning?
a student deals 3 cards from a statndard 52 deck of cards, what is the probability to the nearest hundredth at least one card is a heart.  a) Direct reasoning   b) indirect reasoning
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10/21/14

direct variation
Mr. Gomez works five 8 - hour shifts and earns $480 per week. write the equation that represents the direct variation between x, the number of hours worked, and y, his weekly earnings?
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10/21/14

write an equation using the variable X to model this situation.
Mary put new tiles on her kitchen floor.  The floor measures 6 feet long by 5 feet wide. She used 10 tiles to cover the entire floor. Each tile was 3 feet long. Write an equation using the variable... more
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10/21/14

To the nearest tenth of an inch, how long is the foot of a person who wears a size 10 1/2 shoe?
Can you please solve this math problem?  
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10/21/14

My sum is between 7 and 9. I am not a double. I am not a double plus one. Who could I be?
Show work for this word problems step by step.
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10/20/14

5x3 - 45x = 45x - 45x5x3 - 45x = 0.
according to the solution i saw, it led to 5x(x^2-9)=0
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10/20/14

Venn diagram
Compact Disc Collection Gitti is a fan of the music of Paul Simon and Art Garfunkel.In her collection of 25 compact disc, she has the following:   5 on which both Simon and Garfunkel sing 7 on... more
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10/20/14

Find an equation of a rational function f that satisfies the given conditions.
vertical asymptotes: x = −2, x = 5horizontal asymptote: y = 2x-intercept: −5, 1; hole at x = 0   f(x)=?
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10/18/14

For the function, find the intervals where the function is increasing, decreasing, or constant.
The function is: R(x)= (x+2)2 if x<-1 -x if x≥-1 Thanks in advanced.
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10/16/14

Please Solve
Good morning, Could you show me the steps on solving this problem I did it in class but missed a few steps.   Three siblings, Alice, Bob and Caro truthfully reported their grades to their... more
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10/14/14

What is x in 9x - 32 = 140
I need help with this problem I did the worg but it gave me a contineous number. 
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10/14/14

Find the vertex and axis and the graph
f(x)=x^2+2x+6
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10/14/14

Please Solve
I am sorry, Typed the wrong info. please see correct info below  If p and q are the statementsP: Jack is a good golferQ: Jack is not a good tennis player Translate each of the following into... more
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10/13/14

School is selling tickets. They sold 9 adult tickets and 3 student tickets for a total of $156. What is the price of an adult ticket and student ticket?
Just need to know how to figure this out
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10/13/14

successive differences
Given: Pn ( small n) find P7 ( small 7)  and use the method of successive differences to check your answer.
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10/09/14

Assume that n = 15, and p = 6 7 . Find the probability of at least 2 successes and at least 1
involving the computation of probabilities for a Bernoulli trial.
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10/09/14

4x-(9x+2) Math
4x-(9x+2)
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10/08/14

newspaper delivery. Samantha can deliver papers three times as fast as her sister, Elizabeth if they work together, it takes them 1 hour. how long would it take
How long would it take each to deliver the papers alone?
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10/08/14

Let C=85x +10
A. create a problem (real world situation) that would lead to this algebraic rule B. identify the input and the output variables C. Write a verbal rule for this equation, using your situation... more
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