09/12/16

I'm having trouble figuring out this problem for 8th grade algebra 1 class

I'm having trouble understanding a homework problem for my algebra 1 class. Here's the problem: "If x is a positive integer by how much does x+10 exceed 10-x? Express your answer in terms of x."... more

09/12/16

did brazil use the inca trail

along with ecuador, peru and paraguay

Find number of (x;y) with x<=y such that LCM[x;y]=600

Find number of (x;y) with x≤y such that LCM[x;y]=600   Integer answer

09/11/16

Connected Mathematics 3, abstract geometry, 7th grade, p. 84, problem 40c -- please help!

Hi all:   Our daughter had this interesting problem in her last math batch which we can't solve. Could you please help?   Can you find side lengths for a pentagon that will tile a surface?... more

09/11/16

What is the cost six filters if eight filters cost $39.92

What is the cost of six filters if eight filters cost $39.92

09/11/16

I'm having trouble figuring out this problem for 8th grade algebra class

Mr. Ed plans to build a rectangular pen for his new pony. He plans to have three wires strung between pairs of posts evenly spaced along each side. The plan calls for 12 posts on each of two sides... more

09/11/16

sin2x = sin x / solve for x please show me how

sin2x = sin x / solve for x please show me how to solve for x.

09/11/16

help with this question please

An actor invests money at 8%, and $34000 more than four times the amount at 9%. The total annual interest earned from the investment is $45300. How much did he invest at each amount?

09/11/16

Find all the vertical asymptote of secx.

Wouldnt it have an infinite amount ? how do I know though if its a negative infinity or positive?

09/11/16

In a triangle, one angle is 40 more than the smallest angle and th third angle is half the sum of the other two angles. Find the measure of each angle.

I NEED HELP ON THIS QUESTION!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

the perimeter of a rectangular pool is 130 feet. The width is 4 times the length. Find the dimensions of the pool.

I need help! I don't understand anything! Please help!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

It is asking me to find the equation of a perpendicular line x=5 passing through the point (0,3)

i got the answer y=1/5x+3 but it was supposedly incorrect . Can you please help me figure this out ?

09/11/16

It is asking to write an equation in slope form based on the information given

A community college charges $22.00 per unit plus a $70.00 health fee. Let the input u represent the number of units enrolled in, and let the output T represent the tuition (charges) for that... more

Simplifying Exponets

how do you simplify (xy^-2)^-3 (-2x^-2 y^3)^2

09/11/16

Algebra - Parabolas

Given the equation x^2=-2x+8, the X intercepts are -4 and 2. The equation in the proper quadratic form can be either x^2+2x-8 =0 or -x^2-2x+8=0. in one case the parabola opens up, in the other, it... more

How to find the perimeter of an Irregular Hexagon with coordinates?

If you have the points (-2,4) (0,4) (2,0) (2,-2) (0,2) (-2,2), how can you find the perimeter? I've been on this for hours now and nothing on the internet seems to understand it.

09/11/16

3x-1<-4 or 5-x>6 I get x<-1 and x<1 I need to write the answer in set builder notation.

3x-1<-4 or 5-x>6 I get x<-1 and x<1 I need to write the answer in set builder notation.

09/10/16

A line that includes the points ( - 9,3) and ( - 8,s) has a slope of - 8. What is the value of s?

please help im drowning in questions and i cant get past this one 

09/10/16

Sarah investments in stock grew 28% to $640.how much did she invest?

what will the answer be for this problem 

09/10/16

Word problems

Jim and bob both leave the restraunt at the same time but in opposite directions. If bob travels 7mph faster than Jim and after 6 hours they are 138 miles apart how fast is each traveling

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