02/06/14

#### how can i prove that two figures are similar?

Hi, I have two figures in a graph and i have to prove that the figures are similar.They both look the same but one of them is smaller.I know that in order to prove that this two figueres are... more

02/05/14

#### Write a system of equations for the problem: The sum of two numbers is 33. The larger number is 3 more than two times the smaller number. What are the numbers?

Identify the variables and write a system of equations for the story problem.

02/05/14

#### A variable star is one whose brightness alternately increases and decreases.

A variable star is one whose brightness alternately increases and decreases. For one such star, the time between periods of maximum brightness is 5.4 days, the average brightness (or magnitude) of... more

01/30/14

#### can you describe the angle angle postulate for finding the congruence bewteen two triangles?

This question is for my notes. I'm a senior attending a geometry class. Although I've already passed  geom., I still have a bit of trouble remembering the theorems and methods to every problem when... more

01/30/14

#### Find f^-1(x) the function is f(x)=2-(x+1/x)?

Have tried to solve this several times, but can't figure out what I'm doing wrong. Could someone illustrate the problem in steps? Thank you!

01/29/14

#### given two points find the equation

A. (0,1)(4,-1)       b. (0,3) (2,6)

01/29/14

#### find the equation of the line that contains the given point and is paralell to the given line

1. (-3,5), y=-2x+1     2.(2,8), y=4x-1

01/29/14

#### find the profit to the nearest dollar when the profit is 10% of income,expenses=30000'and taxes=5000

I need to find the profit when the profit is 10% of the income the expenses=30000 and the taxes=5000

01/28/14

#### Given rs congruent to tu rs perpendicular to st tu perpendicular to uv t is the midpoint of rv prove triangle rst congruent to triangle tuv

Triangle proof Given rs congruent to tu rs perpendicular to st tu perpendicular to uv t is the midpoint of rv prove triangle rst congruent to triangle tuv

01/09/14

#### Given: line ae is congruent to line bd, line cd is congruent to line ce prove: line ac is congruent to line bc

Geometry proofs help!!!

01/09/14

#### CX bisects AB at x. find X and XB

I really need help with this problem because im having a difficult time with it

12/20/13

11/11/13

#### word problems and turning them into algebraic equation to slove

a Student sees rabbits, ducks and birds in the park. she counts 22 heads and 52 feet. students know that the number of birds is 2 more than the sum of the rabbits and ducks. how many of each animal... more

10/30/13

#### Quarter 1 POW #5

Two cars race around a circular track, in opposite directions, at constant rates. They start at the same position and meet every 30 seconds. If they move in the same direction, they meet every 120... more

09/30/13

#### there's the problem, can you PLEASE break it down so I can understand it??

Paul invests $15,250 in two different accounts. One pays an interest rate of 8.5% while the other account pays 10%. If he gains a total of$1411.75 annually, how much did he invest in each account?

09/30/13

#### domain and function

find the domain and the range of function of h(x) = √(x) +6   (where x is being square rooted and 6 is not)

09/28/13

#### You draw three cards from a standard deck without replacement.

Determine the probability that none of the cards drawn is a Diamond.

09/27/13

#### find the zeros of the polynomial function and state the multiplicity of each. F(x) = 3x^3-x^2-108x+36. please show all work.

find the zeros of the polynomial function and state the multiplicity  of each. F(x) = 3x3-x 2-108x+36. please show all work.

08/18/13

#### how do you answer this problem,Find the present value, using the present value formula and a calculator. (Round your answer to the nearest cent.)

Achieve \$225,500 at 8.15% compounded continuously for 8 years, 145 days. Can someone please walk me through the process of solving this problem?

04/30/13

#### find using law of sines

find using law of sines  < = Angles  <A=32 <C=57 c = 27 a = ???

04/18/13

#### Hepl solve

2v^2-9v+4/2v^2+3v-2 / 8v^2-6v+1/4v^2+7v-2

04/17/13

#### The perimeter of a rectangle is 36 ft. The length is 10 ft. longer than the width.

Find the dimensions. Write a system of linear equations and solve the resulting system. Let x be the length and y be the width. The first equation 2x+2y=? The second equation x=y+? What is the... more

03/20/13

#### Factor the differences

Factor the differences of two squares. Be sure to factor completely.   X6-64

03/20/13

#### (Sec theata+ Csc theata)(cos theata+ sin theata)

you have to use the identities an. It's trig

03/20/13

#### Anti derivative for : cos^2xsin^3x

Find the antiderivative for cosine sqaured x multiplied by sin to the cubed x (cosx)^2 times (sinx)^3

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