237 Answered Questions for the topic Algerbra

Algerbra

09/06/15

does anyone know the answer to this?
The cooling system of a car has a capacity of 25 liters. If the system is filled with a mixture that is 60% antifreeze, how much of this mixture should be drained and replaced by pure antifreeze so... more
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Algerbra

09/03/15

Which statement verifies that f(x) and g(x) are inverses of each other?
f(g(x)) = xf(g(x)) = x and g(f(x)) = –xf(g(x)) = g(f(x)f(g(x)) = x and g(f(x)) = x
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Algerbra Word Problem

09/01/15

During her tennis career a player won a total of 61
During her tennis career a player won a total of 61 grand slam titles in three catigories; womens singles womens doubles and mixed doubles. out of this total her number of wins in womens singles is... more
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08/24/15

Pre-Cal/Algerbra Homework Question
A rectangle is 3 inches longer than it is wide. 2 inch squares are cut out from each corner of the rectangle, and then the edges are raised to form a box. the volume of the box is 480. Find the... more
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Algerbra

08/16/15

Four children were born one year apart. The oldest child is 12. How old are the other three children from oldest to youngest
 word problom  
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Algerbra

08/05/15

three fifths of its teachers have master degree. 45 teachers have a master how many teacher does school have?
A high school boast that three-fifths of its teachers have a master degree. If 45 teachers have a master degree how many teachers does school have?  
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Algerbra

07/30/15

Word Problem
A truck can be rented from Company A for $120 a day plus .40 per mile. Company B charges $40 a day plus .60 per mile to rent the same truck. how many miles must be driven in a day to make the... more
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07/29/15

kayla notices she can buy snacks/candy in bulk at the store, the snacks weigh 1 kilo.help kayla know how much she has to pay if she buys food in bulk
kayla notices she can buy snacks and candy in bulk at the grocery store. the snacks she wants to buy weigh 1 kilogram. write a formula that will help kayla determine on how much she'll have to pay... more
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Algerbra

06/07/15

a ski slope drops 40 feet for every horizontal 90 feet. Find the slope
a ski slope drops 40 feet for every horizontal 90 feet. Find the slope
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Algerbra

06/01/15

-2x+y=6 Y=-1/2x+1
graph the system below and write its solution
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Algerbra Customers

05/26/15

customer retention rates
80% of customers from year 1 remain at end of year 5. What is the average annual loss rate % of customers?
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Algerbra

04/27/15

if x;y over z;w is defined to equal xw-yz, and 3;6 over 1;a is equal to zero what is the value of a?
how do you solve this 
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Algerbra Precalculus

04/21/15

the capacity of an elevator is either 25 children or 19 adults. If 12 children are currently in the elevator, how many adults can still get in?
How do i answer or solve the problem?
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Algerbra

04/16/15

A football conference is making a histogram of number of points scored in each game by its 14 team for the 12 weeks each team played (168 scores). The scores ra
I need  help
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Algerbra

04/12/15

Select the approximate values of x that are solutions to f(x) = 0, where f(x) = -4x2 + 7x + 8.
A.{–0.79, 2.54} B.{-4, 7} C.{–1.75, –2.00} D.{–0.50, 0.88}
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Algerbra

04/09/15

What rate of interest compounded semiannually is required to triple an investment in 30 years? Write your answer as a percent and round to nearest cents.
What rate of interest compounded semiannually is required to triple an investment in 30 years?Write your answer as a percent and round to nearest cents.
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Algerbra

03/24/15

find the time it would take each machine, working alone, to complete the job.
A new photocopier works 5 times as fast as an old one. when the machines work together, a university can produce all its staff manuals in 30hr. find the time it would take each machine, working... more
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Algerbra

02/13/15

I have to expand and simplify 3p(p-q)
I was able to get it to 3p^2-3pq, but I do not understand how to simplify. If possible, please add working out because am unsure of how to simplify.
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Algerbra

02/10/15

According to the reading NECCO makes about 100,000 pounds of candy hearts a day for 11 months. About how many pounds of candy hearts is that per month?
I cant figga dis out tho  
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Algerbra

02/04/15

i dont know the answer i have trouble with this question and i am homedschooled and i dont anyone to help me
Alexis and Katy are both traveling to Europe this summer, but Alexis is going to Spain and Katy is going to France. Round trip flights to Spain are $820, and round trip flights to France are... more
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Algerbra

01/27/15

word problem
A jet flew at an average speed of 480 mph from Point X to Point Y. Because of head winds, the jet averaged only 440 mph on the return trip, and the return trip took 15 minutes longer. How many... more
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Algerbra

01/04/15

a 2 digit number is 9 times the sum of its digits .if it's ones and tens digits be x and y.write a linear equation in two variable
I need to have the answer for the above question. I am from grade 9.
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Algerbra

01/03/15

what is the height,x, of the tree?
At a certain time of day, a tree that is x feet tall casts a shadow that is x − 21 meters long. If the distance from the top of the tree to the end of the shadow is x + 6 meters, what is the... more
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12/02/14

Formulate and solve problems involving quadratic equations
The largest of three consecutive positive numbers is X. the square of this number (X) exceeds the sum of the other two numbers by 38. Determine the values of these numbers
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Algerbra

11/07/14

Diana earns a weekly paycheck consisting of base pay of $320, plus commission of 6.4% of her weekly sales in excess of $5,000. (so Diana only earns the commissi
Diana earns a weekly paycheck consisting of base pay of $320, plus commission of 6.4% of her weekly sales in excess of $5,000. (so Diana only earns the commission only on the amount of sales over... more
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