can you help me with this problem on simplify
can you help me with this problem on simplify
It's an algebra question.
Mario and Luigi leave to small towns that are 230 miles apart at the same time, traveling directly toward one another. Mario is traveling at a rate that is 15mph slower than luigi. They pass each...
Completely lost
this is a word problem,and i dont know the answers
Okay so... I did the first two systems of equations word problems pretty easily but this one has me stumped. I have no idea what to do... help? Ramiro earns $20 per hour during the...
four times the sum of a number and 2/3 is 16/3
I don't understand how to do answer
The whole problem is this: 1 = 1 + 1 Solve R R1 ...
Alice and sue left school at 4 p.m. it took alice an hour longer than sue to get home alice walked 2.5 mph while sue walked 5 miles an hour what time did sue get home.
there are 630 dishes that need to be rinsed. Juan can rinse them in 70 minutes by himself. it will take his friend Sam 105 minutes to rinse these dishes. how long will it take them if the rents these...
21-x=83x+1
An urn contains 7red and 8 green balls. Four balls are randomly drawn from the urn in succession, with replacement. That is, after each draw, the selected ball is returned to the urn. What is...
How many ways are there of choosing 4 letters, without replacement, from 17 distinct letters, if the order of the choices is relevant? if the order of the choices is not relevant...
farmer ed has 8,500 meters of fencing, and wants to enclose a rectangular plot that borders on a river. if farmer ed does not fence the side along the river, what is the largest area that can be enclosed...
157 UN 127UN 85UN 45UN
a) what is the domain, range, and periodic y=csc x? b) what is the relative minimum in the interval 0<_x<_ pi c) what is the relative maximum ion the interval pi<_x<_2pi (<_...
Solve: 5t^2 - 44r + 120 = -30 + 11r
Graph the inequality. 3x+4y<12?
I need assistance with the following word problem: A water tank is being filled by two inlet pipes. Pipe A can fill the tank in 4.5 hours, but both pipes together can fill the...