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# after giving 10% to her sister, she spend 1/3 of what was left on a book and then gave remaining \$72 to a animal shelter. how much did Jenny's sister get

Jenny withdrew all her money from a bank. after giving 10% to her sister, she spend 1/3 of what was left on a book and then gave remaining \$72 to a animal shelter. how much did Jenny's sister get...

What is x?

# if the length of rectangle is 2 cm less than its width. if the area of the rectangle is 35 find the length and the width

if the length of rectangle is 2 cm less than its width. if the area of the rectangle is 35 find the length and the width

Sean has three blue blocks and six pink blocks that weight 14 ounces altogether. Ayla has three pink blocks and they weigh the same as  two blue blocks. How much does each block weight? Set up...

# When it comes to..Coterminal Angles

We just learned Coterminal Angles today and i'm not sure how to make sure they are equal. The question is 31pi divided by 18 and the other half of it is negative 67pi divided by 18.. I have to...

# how many pounds of meal

The manager of a farmer's market has 450 lb of grain that costs \$1.60 per pound. How many pounds of meal costing \$0.80 per pound should be mixed with the 450 lb of grain to produce a mixture that...

# Hard word problem

THe weight of a synthetic ball varies directly with the cube of its radius. A ball with a radius of 2 inches weights 0.80 pounds. Find the weight of a ball of the same material with a 3 inch radius...

# what is the thickness of a pipe if the inside diameter is 1 1/4" and the outer diameter is 1 3/4"

algebra, pre-algebra, diameter

# Solve. Round solution to the fourth decimal place

log5(7x)+log5(x)=3

5 e2m-1=55

2log4(2x-3)=4

# find the inverse of the given function

f(x)=7x-4/5   f-1     (x)= ?

N^2+n/2=465

# I need help with this equation

Given the equation -5 (x - 2)' -1= , a. Identify the vertex. b. Identify the axis of the symmetry. c. Identify the direction of the graph (whether it opens up or down).

# How many years will it take for the investment to be doubled?

A person invest \$4000 in an account at 10% interest compounded annually. When will the value of the investment be double? Explain why it will take less than 10 yrs, even though the rate is 10%?

# solving rational inequalities with a sign chart

Hi, i have 2 application questions about rational inequalities that i hope you will help me solve and explain to me how are they solved: 1)When successful new software is first introduced,...

# Find the equation of F. Answer A-D

A person invests \$4000 in an account at 4% interest compounded annually. Let V= f(t) be the value (in dollars) of the account after t years or any fraction thereof.   a. Find the equation...

# How many years will it take for the balance to reach \$13,500

A person invests \$9500 in an account at 6% interest compounded annually. When will the value of the investment be 13,500\$?

# which of the following intervals represents the set (1,4)U[2,6]

I need the anwser on how to solve this math problem

# solve the given linear inqualityand identify the correct interval notation. 2< 5x - 23

I need to see how to solve this problem