college algebra, solving rational equations. Cant seem to get the formula written correctly.
college algebra, solving rational equations. Cant seem to get the formula written correctly.
k/k+5 + 5/k+3 = -2k/ k^2 +8k+15 LCD= (k+3)(k+5) k(k+3)+5(k+5)=-2k k^2+3k+5k+25=-2k k^2+8k+25=-2k k^2+10k+25...
An equation with a fraction and a variable. Can't understand it!??? For math work over the summer for school. Help!!
On a particular day, the wind added 2 miles per hour to Jaime's rate when she was rowing with the wind and subtracted 2 miles per hour from her rate on her return trip. Jaime found that in the same...
1/x+3=x+4/x-2+6/x-2
There were 3 consecutive even integers. Write a variable for the first number. Write a phrase for half of the second number. Write a phrase for a third of the third number. All three phrases added...
Elizabeth drove the first half of the trip at 60 miles per an hour and the rest of the trip at 40 miles per an hour what was the average speed of the whole trip
Octavian invests some money at 8.5% and half as much at 10%. in time, he receives $1000 interest. how much did he invest at each rate?
Joe and Bob had to pick rocks from the baseball field. Joe could do it alone in 3 hours. Bob could finish alone in 2 hours. How long would it take them to finish the job together?
begin with the fraction 4/9. now add a certain number x to the numerator and subtract x from the denominator and the result will be 3/10. find x.
A house mover towed a historic Victorian home 72 miles to locate it on a new site. On his return, without the heavy house in tow, his average speed was 25 mph faster and the trip was 2 hours shorter...
X÷4 + 2÷3=x÷12 2÷5 + 7÷x 5÷4 + 7÷12x =1÷3
1÷x2+7x+12 + 7÷x+4 3x÷x2-16 + 5x÷x-4
4x÷x2-25 + 3÷x+5 7÷3 + 5÷x X÷4 + 2÷3=x÷12 4÷x+2 + 2÷x+1=3÷x2+3x+2t
[5]/[x^2-3x+2]-[1]/[x-2]=[x+6]/[3x-3] Thanks to all who help :)
Jake can mulch a garden in 30 minutes. Together, Jake and Ross can mulch the same garden in 16 minutes. How much time t, in minutes, will it take Ross to mulch the garden when working alone...
Water flowing through both a small pipe and a large pipe can fill a water tank in 9 hours. Water flowing through the large pipe alone can fill the tank in 17 hours. Write an equation that can be used...
An experienced bricklayer can work twice as fast as an apprentice bricklayer. After the bricklayers work together on a job for 8 h, the experienced bricklayer quits. The apprentice requires 10 more...
A team of biologists captured and tagged approximately 2400 northern squawfish at the Bonneville Dam on the Columbia River. Later, 216 squawfish were recaptured and 9 of them had tags. How many squawfish...
I have no idea how to do this and I have homework on it.