03/09/13

A neg# added to a pos # is a pos #?
My problem is :  13=-t+4  my answer is 9=-t  but I am not sure if my - should be on the # 9 or on the varible. 
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03/08/13

how to solve the system
how to solve the system 2x-3y=0 6y-6z=1 x+3z=1   If the system is dependent or inconsistant, indicate this. Show your work.
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03/07/13

What is the solution using the quadratic formula to solve x^2-3x+9/4=0
What's the answer
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03/06/13

5.6-4.24t=11.6
just need to know what steps i use?
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03/06/13

ratio of blue marbles to red marbles is11:9 if there are 99 blue marbles how many red marbles
ratio of blue to red marbles
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03/06/13

14+3x=? How do you solve
12+x+2+2x= 14+3x=?    
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03/06/13

A quiz has 5 questions with 4 answer choices each find the number of possible outcomes
Possible outcomes 
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03/06/13

I am correcting my homework
I need to know the answers to my home work step by step. 1) (5p+4)(4p+6) 2) (8x+1)(3x-4) 3) (2n+6)2 The 2 is squared 4) (4b+3)(7b-5)
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03/05/13

a dvd box set has 3 thriller movies and 2 comedies. use T to represent the cost of each thriller and C to represent the cost of each comedy. write and simplify
a dvd box set has 3 thriller movies and 2 comedies. use T to represent the cost of each thriller and C to represent the cost of each comedy. write and simplify an expression that represents the... more
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03/04/13

3(-X-4)=2X +3(X-5)
3(-X-4)=2X +3(X-5)
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03/04/13

If C is a 5x1 matrix and D is a 3x5 matrix, what are the dimensions of DC?
is it 3x1  
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03/03/13

3x+2y-z=12 -4x+y-2z=4 x-3y+2=4
Can you solve this problem for me.
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03/02/13

Solve the inequality (x^2(9+x)(x-6))/((x+5)(x-2))> or equal to 0
This is a fraction     x^2(9+x)(x-6) is the numerator  (x+5)(x-2) is the denominator and it's all set to greater than or equal to 0
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03/01/13

How do i solve x^2-16x+64=49?
I need help solving this problem using the square root property.
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02/28/13

how many min. in 9 hrs and 12 min
                                             I wanted about how many minutes are in 9 hours and 12 minutes.
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02/28/13

A shop sells 1 chocolate at $1. you can exchange 3 wrappers for 1 chocolate. if you have $15, how many chocolates can you get?
please tell me the steps to solve this! i seriously appreciate your help!!
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02/26/13

Solve by substitution-7x-2y=11X-2y=11
HELP!!! 
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02/25/13

are these two systems CONSISTENT or INCONSISTENT? y = 2x + 5-2x + y = -2
Consistent or inconsistent? y = 2x + 5-2x + y = -2
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