Search 73,973 tutors

# A helicopter goes 270 miles with the wind in the same time it can go 180 miles against the wind. The wind speed is 6 miles/hour. Find the speed with no wind.

I would like to know step by step as to how to set it up and solve. Thank you

# Ordered Pairs of points

List four ordered pairs of points (l,w) that represent dimensions of rectangles with perimeters of 20 units.

# Word Problem help

A health club has 450 members. Plans are to increase the membership by 24 members per month until the membership has doubled.  Write an equation that can be used to determine n, the number of...

# How do I explain the correct process used to simplify subtracting polynomials and put it in words

I am having issues with how to word out this whole thing, math is one of my most weakest link as a student especially when it comes to explaining a problem out. I need help simplifying (3x2 -4x +7)...

for the function f(x)=1/3(x+2)^2(x-3)^2, find the transition points, intervals of increase/decrease,concavity,and asymptotic behavior.

What can you conclude about the graph of f(x) from the following table? justify your answer                          -1  ...

let f(x)=x^2+sinx. calculate g(pi^2) and g'(pi^2) where g is the inverse of f

Given the equation y^2=x. which of the following is correct. justify your answer. a) y is a function of x b) for every x, y=squarerootx c) y is not differentiable at x=0 d) the tangent...

Find the maximum value M and the minimum value m of the function in the given interval use sign charts to support your findings A) y=2 radical x- 3x ;[1,4] B)y=cube root of x+1 + the cube...

# I have a question about a practice test!! I would like to know why. The correct answer is A. I chose C.

Another radioactive element useful for dating is carbon-14, which decays into nitrogen-14. With a half-life of 5,730 years, carbon-14 decays much more rapidly than radium 87 and so is useful for measuring...

Its precalculus

# Why do I use kaette instead of kaeru in the sentence "kinou wa uchi ni kaette nani wo shimashita ka."

Why do I use kaette instead of kaeru in the sentence "kinou wa uchi ni kaette nani wo shimashita ka."

# A tank can be filled in 9 hours and drained in 11 hours. How long will it take to fill if the drain is left open?

A tank can be filled in 9 hours and drained in 11 hours. How long will it take to fill if the drain is left open?

# Find the interest earned on an interest-bearing account

Every month, a particular interest-bearing account earns 0.2 percent interest on the average balance for that month. The function B(t) =7.5t^2 -300t +5000 represents one investor's balance...

I will be applying to college and I don't know where to begin with writing my college application essay. Help!

# 1. The circle below is centered at the origin, and the length of its radius is 3. What is the equation of the circle in standard form?

I have been having trouble with Algebra 2 problems like this.

# The secret book question :)

How is Colin Craven and Mary Lennox alike?   How is Mary Lennox and Colin Craven different?

# marco has 37 fewer cars than ahmed. they have a total of 249. how many does each boy have

how may does each boy have

# corrine is making twice as much lemonade as punch. She is making 12 gallons total. how many gallons of each will she have

how many gallons of each drink will she have

# How do you solve 5x+y over 'a' =2?

How do you solve 5x+y over 'a' =2?