A person traveled 120 km in one direction. The return trip was made at double the speed and in 3 hours less time. Find the speed going.
A person traveled 120 km in one direction. The return trip was made at double the speed and in 3 hours less time. Find the speed going.
A sample of 125 shows 4 defective bulbs. How many defective bulbs would you expect in a shipment of 1000 bulbs?
Bill can do a job in 4 hours. It takes joe only 3 hours. How long will it take if they work together?
One car travels 20 km/hr faster than another. While one car travels 225 km, the other one travels 325 km. Find their speeds.
Find all numbers for which the rational expression is not defined. 1.X+8/x^2-64 2.x^2-4x-32/x^2-4x-12
2x+12/(x+6)(2x+1) 14-2n/n²-7n 6y²+9y/12y² Simplify . State the non-permissible value
How long would it take each to deliver the papers alone?
There are 110 calories per 28.4 grams of crispy rice cereal. Find how many calories are in 42.6 grams of this Cereal
Stevie biked 96 miles in a day. She split the ride into two parts, before and after lunch. Before lunch she biked 42 miles. The amount of time she spent riding after lunch was 1 hour more than the...
on the page http://www.purplemath.com/modules/rtnldefs2.htm#continue at the bottom, is the 'technically-complete answer' not actually complete? should it not say that x cannot equal -2, as well as...
these are rational expressions and I need to find the domain written in a set of notations and have a excluded value set and factor
Alpine's street sweeper cleans downtown in 60 hrs. A newer model cleans in 20 hrs. Together, how long to sweep the streets?
(4/x+1)+(1/x^2-x+1)-(12/x^3+1)
__9x+1__ _ __6x-2__ X+1. X+1
2/x + 2/3=1 first i have to get a common denominator,yes? which would be 3x...so its 6/3x+2x/3x=1now i am lost
x²–36 3x 7w-2 16w2-1
Hi, i have 2 application questions about rational inequalities that i hope you will help me solve and explain to me how are they solved: 1)When successful new software is first introduced,...
This question comes from ch.7.3 titled :Adding and subtracting rational Expressions with the same denominator and least common denominator.
I'be tried this problem several times and keep getting stuck. I don't think I'm starting it right.
I've multiplied it out so that they both have a common denominator of (x+4)(x-2) and now I'm confused on what to do next.