09/15/12

#### need help showing my work with question below.

triangle PQR and triangle QRS have vertices P(-9,7) Q(4,7), R(4,-3), and S(10-3). what is the area in sq. units, of quadrilateral PQSR which is formed by the two triangles?
Answer Is 95. How To...
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09/15/12

#### he length of time, in minutes, for and airplane to obtain clearance for take off at a certain airport is a random variable Y=3X-2, where x has the density funct

what is the probabloty and the mean and variance of the above question

09/14/12

#### 8÷4[6-2(-8+3*2^3)] I cannot get this problem solved and simplified.

I am not able to get an answer for this problem. 8÷4[6-2(-8+3*2^3)] can you help?

09/14/12

#### (–1)(4 – c)simplify using distributive property

simplify using distributave property
(-1)(4-c)

09/14/12

#### how do I solve -2x=9 and graph?

I am having trouble understanding how to solve and graph -2x=9.

09/14/12

#### What are coefficient terms?

i have an algebra test monday and i was reveiwing my work when i realized i don't know what coefficient terms are. i looked it up but it's just confusing.

09/14/12

#### is this right? Slope: 0; through (-4,-2)

Help
So the formula you want to use is y = mx + b. b is the y intercept and m is the slope.
Since the slope is 0: y=0x + b
To find b substitute -4 for x and -2 for y: -2=0(-4) + b, b=-2(-4)=

09/13/12

#### math help for problems like 12a-a

my son just started 8th grade and doesnt understand how to do distributive property problems

09/13/12

#### converting feet into yards

writing an equation solving the problem --- magie has a ribbon 27 feet long what is the lenght of the in yards?

09/13/12

#### how do you solve two step equations?

my son is having trouble solving two step equations, and to be honest i never did this kind of math please help...

09/13/12

#### the problems says to change one or both fractions so that they have the same denominator. Then write < > or =. How is this done on problems like 2/5 1/2

how do we solve the problem 3/4 2/3 how is this made < > or =?k

09/13/12

#### im going to give and example: 7(b+3) would the answer be -8z?

I dont know if the answer would be the letter with the number or just the number.

09/13/12

#### WHEN YOU ARE WORKING WITH PRIME FATORIZATION IF IT IS PRIM WHAT DO YOU DO WITH IT?

nothing lease

09/12/12

#### how many liters of 40% antifreeze solution must be mixed with 8 liters 70% antifreeze solution to get a 50% antifreeze?

I know that the answer is 16, I just dont know how that answer is found

09/12/12

#### 4 X 4 + 4 X 4 + 4 - 4 x 4

can you please break this very simple problem:
4 X 4 + 4 X 4 + 4 - 4 x 4 =
I am old and I forget stuff. :) Thank you!

09/12/12

#### why is it helpful to convert fractions to decimals?

Why is it helpful to convert fractions to decimals and decimals to fractions?

09/12/12

#### Can six congruent line segments make six congruent triangles?

I need to know if you can draw six congruent line segments in such a way that the result is six congruent triangles.

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