Questions on Algebra: Inverse operations for addition and multiplication, reciprocals answered by real tutors!

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Question 932678: The volume of first cylinder is 12m^3. Second cylinder height is 3 time longer and base radus 2 times shorter than first cylynder parameters. Please, calculate the second cylinder volume.
A. 6.0m^3 B. 6.5m^3 c. 9.0m^3 D. 5.5m^3 E.7.5m^3
Click here to see answer by greenestamps(13198)

Question 1203886: Suppose F(x) = f(g(x)) where
f(-2)=8
f'(-2)=4
f'(5)=3
g(5)=-2
g'(5)=6
Find F'(5)
Click here to see answer by math_tutor2020(3816)

Question 1203908: if m varies inversely as n when n=60, m=1.5, find m when n is 4.5

Click here to see answer by mananth(16946)

Question 1203908: if m varies inversely as n when n=60, m=1.5, find m when n is 4.5

Click here to see answer by josgarithmetic(39615)

Question 1205031: Hi!
I have been stuck on a few questions. My math teacher didn't go through enough examples for me to get these type of questions.
Find p when q=5.40 and r= 2.84 if p varies directly as the square of p and inversely as the cube of r and p=13.013 when q=4.30 and r=2.95.
thanks in advanced for your help.

Click here to see answer by mananth(16946)

Question 1205086: I am reading a Turn and Talk question in a math book.
It says "How do you know when a product
will be less than one of its factors?"
I thought products are always equal to or greater than its factors.
If a product will be less than one of its factors, I need to see
an example.
Click here to see answer by greenestamps(13198)

Question 1205640: y = (3x) / (x + 2).
Click here to see answer by math_tutor2020(3816)

Question 922297: The balances of two investments are changing at steady rates. One investment of $1450 is decreasing by $105.75 each month. The other investment of $825 is increasing by $144.25 each month. Write and solve an equation to find how many months it takes the balances of the investments to be the same. Let m represent the number of months.
Click here to see answer by mananth(16946)

Question 1206902: Solve the following linear programming model geometrically, labeling all the corner points and shading the feasible or solution region
Maximize z = 200x+100y
Subject to: 3x+4y ≤ 24
X+y ≤ 16
X+3y≤30
X,y ≥0

Click here to see answer by Edwin McCravy(20054)

Question 1207380: Computing Hourly Wages Leigh is paid time-and-a-half for hours worked in excess of 40 hours and double-time for hours worked on Sunday.If Leigh had gross weekly wages of $456 for working 50 hours,4 of which were on Sunday, what is her regular hourly rate?

Let me see.

Let x = regular hourly rate

40x = 40 hours times x.

Leigh worked 10 additional hours beyond 40.

Leigh makes 1.2 for hours over 40 and double time on Sunday.

6(1.2x) = time and a half for 6 hours.

4(2x) = double time for 4 hours on Sunday.

Here is my equation set up:

40x + 6(1.2x) + 4(2x) = 456

You say?
Click here to see answer by ikleyn(52772)

Question 1208376: How am I going to find it's inverse given:3x+5x=10
Click here to see answer by Edwin McCravy(20054)

Question 1208376: How am I going to find it's inverse given:3x+5x=10
Click here to see answer by ikleyn(52772)

Question 1186214: One evening, while Mr. Cristobal's family is taking their dinner, a friend came and ask "if i will donate some of my wealth to you after i die and the condition is that I'll give it in staggered form, which scheme would you like ( arithmetic, geometric, harmonic)? Why?

Click here to see answer by ikleyn(52772)

Question 1177104: Seth found 50 plants before adding volunteers to the search, and the rate of increase is 12% per volunteer.
PART A
The function n that models the situation is n(x) = ____ (____)^x
For 0 ≤ x ≤ 5, the domain of the function is whole numbers from ____ to ___ The y-intercept is ____
PART B What is the average rate of change from 0 to 5 volunteers? Round to the nearest whole number_____-

Click here to see answer by CPhill(1959)

Question 1210394: What is the inverse of Y=(X+3)² ?
Click here to see answer by josgarithmetic(39615)

Question 1210394: What is the inverse of Y=(X+3)² ?
Click here to see answer by ikleyn(52772)

Question 1210395: What is the inverse of Y=(X+3)² ?
Click here to see answer by ikleyn(52772)

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