11/29/14

Factor the expression.
Factor the expression. x2 - 30x + 81 A. (x - 9)2 B. (x - 1)(x - 81) C. (x - 3)(x - 27) D.Prime Polynomial
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11/29/14

profit and loss
If a shopkeeper sells a shirt for $7 more, his profit increases from 12% to 17%. what's the cost of the shirt to the shopkeeper?
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11/27/14

2, -2-5i; degree 3
I need to know how to solve a polynomial f(x) with real coefficients and a leading coefficient 1 with the given zeros and degree. 
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11/27/14

remove the grouping symbols then simplify the following:
-{10x-[16y-(7-8x)-4]} 7y-[16x-(17y-5x)] -[6x-(5y-18x)] 5x-{-6-[(5x-y-6]-8x-y}-5y -6(x-5y)-(5x=7y)-(8x-10y)
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11/26/14

the dimensions of a rectangular yard with area A are l and w.
the area increases by 12 square meters when the length in increased by 2 meters. the area decreases by 8 square meters when the width is decreased by 1 meter. find the dimensions of the yard.
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11/26/14

rectanglegarden is 25ftX18ft. gravel path equal width around garden.
How wide can the path be if there is enough gravel for 408ft^2? We are using the quadratic equation I believe
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11/26/14

How many didn't participate?
A challenged was given to the students in the Senior class not smoke.  One-sixth of the student signed a pledge not to smoke on 12/2.  A third of the students promised to join a group to discuss... more
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11/26/14

factor expression
Factor the expression. x2 + 2x + 42 (x + 1)(x + 42) (x + 6)2 (x + 6)(x + 7) Prime Polynomial
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11/26/14

factor expression
Factor the expression. -10x2 - 41x - 21 -(2x - 7)(5x + 3) -(2x + 7)(5x + 3) (-2x + 7)(5x + 3) Prime Polynomial
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11/26/14

factor expression
28x^2+84x+63Not sure how to answer this question.7(2x - 3)(2x - 3)7(2x + 3)(2x + 3)(28x + 1)(x + 63)Prime Polynomia
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11/25/14

sets word problem
A card is drawn from a deck of 52 playing cards. Find the number of outcomes in which the card is either a queen or a black card.
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11/25/14

Find the intersection of each of the following pairs of sets
c) P = {x : n ∈ N, x = 3n n< 3} Q = {x : x ∈ N x < 7}
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11/25/14

When 40 percent if girls left the assembly the ratio of boys to girls became 3:4
If w is the number of girls what was the total number of boys and girls at the assembly?
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11/25/14

Word Problem
On the blueprint of a house, 48 millimeters represents 9 meters. The length of the living room is 32 millimeters on the blueprint. What is the actual length of the living room?
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11/25/14

find the number of students who read only sports illustrated
in a survey of 224 students at a large university, the following data are collected: 95 students read time magazine 101 students read sports illustrated 80 students read readers... more
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11/25/14

If U = {1, 2, 3, 4, 5, 6} and A = {2, 3, 6}, find
(a) A ∪ A' (b) ∅ ∩ A(c) A ∩ A'(d) U' ∩ A
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11/25/14

perimeter of a rectangle =48and one side measure 14.if sides are integer the other two sides?
explain in detail sir plz bec I have to do relaeted problems how to find other
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11/24/14

How many gallons of milk containing 4% butterfat must be mixed with 80 gallons of 1% milk to obtain 2% milk?
Need two equations  
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11/24/14

Word problem... Question below
Angela needs 12 quarts of 50% antifreeze solution in her SUVs radiator. She plans to obtain this by mixing some pure antifreeze with an amount of a 40% antifreeze solution. How many quarts of EACH... more
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11/24/14

3 less than 6 times anumber is atleast 15 less than 4 times the number. find the possible numbers
i have to write an inequality and solve it  
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11/24/14

one number is 4 more than another. If 3 times the smaller number is equal to twice the larger number, what is the smaller number?
One number is 4 more than another. If 3 times the smaller number is equal to twice the larger number, what is the smaller number?
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11/24/14

The drove to Daytonat 75 km/h. When the returned, they drove at 50 km/h. If it took them 1 hour longer to return , how long did it take them to drive home.
What is the solution to the equation?
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11/24/14

solve the equation for x 10^2=(x+2)^2+x^2
trying to figure this question on my test review
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11/24/14

Two dice are rolled one after the otherl. Find the probability that the sum of the dots on the dice total is a number greater than 2 if the second die is a 1.
find the answer to the probability question
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11/24/14

90 tickets were sold for a concert. X tickets were sold for $3 each and the rest of the tickets for $4each write an expression in terms of x to represent
the cost of tickets sold at $3 and $4. if the total sales on all tickets amounted to 300$ how many of the tickets costed $3 were sold 
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