02/08/14

what value of z will result in a zero value
-8/3z-1+9/3z+1=5/9z^2-1
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02/06/14

math question
A restaurant charges a single price for its buffet. The total bill for a table of 6 people having the buffet was $294. Each of the 8 people at a second table al$o had the buffet, what was the total... more
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02/05/14

Cameron rolls a number cube and spins a 5-part spinner, labeled 1, 2, 3, 4, and 5. What is the probability that he rolls a 5 or spins a 5?
Cameron rolls a number cube and spins a 5-part spinner, labeled 1, 2, 3, 4, and 5. What is the probability that he rolls 5 or spins a 5? Explain your answer
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02/05/14

Give a recursive and non-recursive equation for the following sequence:{3,-12,48,-192,...}
Give a recursive and non-recursive equation for the following sequence:{3,-12,48,-192,...}
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02/05/14

2 people on bikes riding towards eachother. One is riding at 15 mph and the other is riding at 20 mph. the dog is running back and fouth between the 2 bikes at
how do I solve this?  stuck 
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02/04/14

When selecting two people, find the probability that one works in an office and the other one drives a car?
I have a probability question from my intro to stats class. I can't figure out if it's dependent or independent. Overall, I really don't know how to figure it out. There are 2000 people in total... more
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02/04/14

They need to buy 25 more chairs than stools The chairs cost $32 each the stools cost $28 each budget is $2,620, how many chairs can they buy?
I need the answer for my brother i couldn't figure it out.
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02/04/14

Logarithms
If 2 logax= 1+loga(7x-10a), find x in terms of a.       Ans: 2a, 5a  
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02/03/14

A hotel manager found that his gross receipts for the day, including a 6% sales tax, were $4459.42. Find the amount of sales tax collected.
I just need help setting up the problem.
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02/03/14

translate four times the sum of twice a number, x, and eight is thirty-two
translate four times the sum of twice a number, x, and eight is thirty-two into a equation
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02/01/14

Find all the real zeros of the polynomial
Find all the real zeros of the polynomial  P(x)=x3-2x2-9x+4 Give them as a comma separated list, and give exact answers - no decimals. The real zeros of P(x) have x=
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01/31/14

How do i simplify this?
Hi my problem is the following.   Use the sum and difference identity to find the exact value of sine cosine and tangent. 195°=60°+135°   And here is what i... more
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01/30/14

if 3 tacos and 2 burriots cost $7.40 and 4 tacos and 1 burrito cost $6.45. Then write a system of equations for the cost of a single taco and a single burrito
Define the variables, explain the solution.
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01/30/14

type the equation that shows the pattern among this set of ordered pairs
(2,5), (4,9), (5,11),(7,15) Use slope-intercept form; y=mx+b
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01/29/14

Find all the real zeros of the polynomial
find all the real zeros of the polynomial P(x)=x4-2x3-13x2-10x If there is more than one zero write them separated by commas. Give EXACT answers. No decimals.
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01/29/14

A baseball player has a batting average of 0.315. Estimate how many hits he will get in his next 43 at bats
A baseball player has a batting average of 0.315. Estimate how many hits he will get in his next 43 at bats.
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01/29/14

The food costs 78.50 and a sales tax of 4.71 was added what was the sales tax rate
Can you please answer ASAP Por favor 
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01/29/14

find odds of drawing a spade out of 50 remaing cards
if i had 2 spades what are the odds of drawing a spade from the remaining 50 cards
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01/29/14

What is the rule for the sequence/pattern (X) that produces the following numbers (Y): (1,3), (2,9), (3,30), (4,108), (5,408), etc.....?
In other words:    Pattern 1= 3 line segments (1 triangle) Pattern 2= 9 line segments (4 triangles) Pattern 3= 30 line segments (16 triangles) etc.......
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01/28/14

A bike store buys from a wholesaler for $100 and then sells then with a 39% mark up. What do they charge their bikes
A bike store buys from a wholesaler for $100 and then sells then with a 39% mark up. What do they charge their bikes
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01/28/14

How to express 648 as product of powers of their prime factors
i need a step by step calculation about my question
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01/27/14

how many days does a scientist grow a culture of 3000 cells at 7 % growth per day to increase the number of cells by 630 ?
choices are a. 2 days b. 3 days c.8 days d.10 days 
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01/26/14

probability
A coin is tossed eight times. How many ways can it come up heads 7 times and tails once?
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01/26/14

Select the approximate values of x that are solutions to f(x) = 0, where f(x) = -7x^2 + 9x + 9.
{-0.78, 1.00} {-7,9} {-1.29,-1.29} {-0.66,1.95}                                                                                                                                                ... more
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01/25/14

Slope = Rise/Run
The Great Pyramid at Giza near Cairo, Egypt stands 137 meters tall.  It's base is a square with each side measuring 230 meters wide.  What is the slope of the Pyramid?   Slope =... more
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