Robert L.

Flying with a headwind, a plane traveled 6300 kilometers in 7 hours. On the return trip, the same wind decreased the plane's travel time by 1 hour.    Define variables, write equations, solve the... more

Suppose f(x) is a function defined on all real numbers and that logbf(x)=3x. What is f(x) written explicitly? f(x)=b3x What is f(logbx)?  

i need help on this because its hard and i dont understant it

The engines of a plane are pushing it due north at a rate of 300 mph, and the wind is pushing the plane 20 deg west of north at a rate of 40 mph . In what direction is the plane going?

8 artists and 12 students can paint a large mural in 10 hours. 6 artists and 8 students can paint it in 14 hours. Find the time it would take for one student to paint the mural.

(6,-2) slop=-5÷2

No more info.                    

A sample of 1200 computer chips revealed the 30% of the chips do not fail in the first 1000 hours of their use. The company's promotional literature claimed that 28% do not fail in the first 1000... more

I need help with the problem i need the answer to understand how to get the answer.  

5 times the square root of 3 1/7

simplify: Square root w^2/4

The following are probabilities of defective chairs in a given production run: probability of 1% defective chairs: 40%; probability of 2% defective chairs: 35%; probability of 3% defective chairs:... more

A class of 24 students hopes to collect 1,200 plastic bottles per week. in the first week ,the students collected 34 bottles each. this is not enough .how many more bottles per student must each... more