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# Cylindrical shell method to compute volume of a napkin ring

Use cylindrical shells to compute the volume of a napkin ring of height 3h created by drilling a hole with radius r through the center of a sphere of radius R and express the answer in terms of h...

# What is the Orton-Gillingham method?

I would like to better understand what is the Orton-Gillingham method and how does is differ from any other pedagogies?   Thanks.

# word problem

It's a linear programming word problem.   For a given week, Greg's Coffee House has available 1728 ounces of A grade coffee and 1760 ounces of B grade coffee. These are blended into 1-pound...

# Write a direct variation that relates c and g, where c is the # of chlorine tablets

Noah knows that his friend Ryan uses 2 small chlorine tablets a week to maintain his 10,000 gallon pool

# a helicopter that is 2000 meters above the ground at a rate of 2 meters per second. The altitude of the helicopter after t seconds is given h(t0+2000-2t.

Give the range of this function and give the domain of this function.  Algebra 1

# find the x-intercept and the y-intercept of 1/2x-2y=4

Find the x and y intercepts of 1/2x-2y=4!  This would really help me!!!!!

# Write a direct variation that relates c and g, where c is the # of chlorine tablets

Noah knows that his friend Ryan uses 2 small chlorine tablets a week to maintain his 10,000 gallon pool

# sin(x/2) + cos(x/2) = ?

anyone knows this?   I need it now

# Select the x-coordinate of the vertex of the parabola defined by the function f(x) = -7x2 + 3x + 5.

a. -7/3 b. 5 c. 3/14 d. -3/7

# What is the relevant statistic?

In an August 2012 Gallup survey of 1,012 randomly selected U.S. adults (age 18 and over), 53% said that they were dissatisfied with the quality of education students receive in kindergarten through...

# a family spends 20% on food, 23% on rent, and 42% on other stuff. If the family saves \$360 per month what is their income

I cannot figure this one out for the life of me.

# if equations, y=1/(x-1) + 1/(x-2) + 1/(x-3) + 1/(x-4) and y=k*x has exactly four solution.

please find total number of possible values of k  with explanation.please show graph if possible for you.thank you.

3x-2y=4 x +3y-5

# 2x-3y=-7 and 3x+4y=15

2x-3y=-7 3x+4y=15   solve for x and y by the addition elimination or substitution method

# 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."

# 4x-y=5 and y=2x-3

solve for x and y by the (elimination) or substitution method.   4x-y=5 y=2x-3   Show all work

# word problem

A family has two cars. The first car has a fuel efficiency of 15 miles per gallon of gas and the second has a fuel efficiency of 25 miles per gallon of gas. During one particular week, the two cars...

# an altitude thats 671 ft more than double of the other altitude

write and evaluate an expession to find the altitude that has 4039 feet

# federalism is term used to define the divison of power between the

help me plesse and thanks you

# word problem

Goran works as a tutor for \$13 an hour and as a waiter for \$11 an hour. This month, he worked a combined total of 98 hours at his two jobs. Let t be the number of hours Goran worked as a tutor this...