11/24/16

Define functions f, g, h, all of which map from R -> R. (Discrete Mathematics, Functions)
f(x) = -(x - 1)g(x) = 2x2h(x) = 3x + 1 a. What is (f ο g)(-2)?b. What is (g ο f)(-2)?c. What is (f ο h)-1(3)?d. What is (f ο g ο h)(1)?e. What is (h ο h-1)(π)?
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11/23/16

factor polymials
  15x2+26x+7
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11/22/16

The Mogan River is 465 miles long. The Hofman River is about 76% of the length of teh Mogan River. How long is the Hofman River?
I need help with my math homework!!!!!
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11/22/16

A prize was awarded to 24 women and 1270 men. A. What fraction of the prize winners were women? B what fraction were men?
 A prize was awarded to 24 women and 1270 men. A. What fraction of the prize winners were women? B what fraction were men? 
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11/22/16

what is the equation of the line that passes through the points (0,2) and (8,0)
 please help
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11/22/16

An item sells for $290 after a 45% mark up. What was the cost of the item before the mark up
I need help 
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11/21/16

A man travelled 2/5 of his journey by train, 1/3 by taxi and 1/6 by bus and the remaining 10 kilometer by foot. Find the length of the total journey.
Well, it is not possible for me to travel 10 km by foot hence, that man is super human.
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11/21/16

A motorbike can travel 60 2/5 km in 3 hours. How fast can it travel in 1 hour at the same rate?
fractions in simplest form.
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11/20/16

Suppose your 2016 salary is $32,850 after your employer gave you a 2.1% COLA (cost of living allowance) over your 2015 salary. What was your salary?
 I need to know how to find the 2015 salary from only knowing the 2016 salary with the 2.1% increase.
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11/20/16

please help me
Solve the equation for the given variable. Round your answer to the nearest tenth   12-5(y+2)=5+2(2.3y+3)   y=?
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11/20/16

Graph the linear inequality by shading the feasibility region 8x-3y≤ 12
Can someone explain the formula I should use ?
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11/19/16

Point On A Graph
Suppose (-3, 5) is a point on the graph of y = g(x) What is the point on the graph of:  y = g(x+1) - 3
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11/18/16

What interest rate is needed for an investment of $5000 to grow to $7000 in 6 years
a if interest is computed as simple interest  b if interest is compounded yearly
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11/17/16

a car salesman earns $500 per week plus 1.5% commission on his sales. if he sold two cars for a total of $55,000 last week, how much did he make?
How do you solve this problem?
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11/17/16

word problem
two cars leave town at the same time going in the same direction. One travel 52mi/h and the other travels 60mi/h. In how many hours will they be 52 miles apart?
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11/16/16

apply the distributive property to 75+20
You have to find the greatest common factor of those 2 numbers and then you place it down as a whole number and then you need to find what goes in the parenthesis but I don't know how to find what... more
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11/16/16

a bus traveled 205 1/5 miles in 3 3/5 hours. How many miles per hour did the bus travel? How far would the bus travel in 1 3/4 hours at the same speed?
please answer me as fast as you can! please!   a bus traveled 205 1/5 miles in 3 3/5 hours. How many miles per hour did the bus travel? How far would the bus travel in 1 3/4 hours at the same speed? more
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11/16/16

word problem
the difference of two numbers is 9. the larger number is six less than twice the smaller number. Find the numbers.
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11/16/16

A recipe for brownies calls for 3 1/2 cups of flower. To make 4/5 of the recipe how much flower will be needed?
A recipe for brownies calls for 3 1/2 cups of flower. To make 4/5 of the recipe how much flower will be needed?
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11/16/16

Your son sells cars. He earns a salary of $925 per month, + a 1.67% commission on all his sales. Last month he sold $261,249 worth of cars. What was his tota
Your son sells cars. He earns a salary of $925 per month, + a 1.67% commission on all his sales. Last month he sold $261,249 worth of cars. What was his total earnings last month?
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11/15/16

The hot water tap can fill a tub in 25 minutes. The cold water tap takes 20 to fill same tub. How long to fill the tub with both taps open at the same time?
I don't understand how you can solve the problem without knowing anything about the size and shape of the tub
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11/15/16

word problem about iterestv
I'm in algebra 1 and I'm learning with a table with quantity, rate and value A team of cancer researchers received a grant of $300000 to be used for cancer research. They deposited some in a 10%... more
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11/15/16

Percentages
A scientist mixes water (containing no salt) with a solution that contains 35% salt. she wants to obtain 140 ounces of a mixture that is 30% salt. how many ounces of water and how many ounces of... more
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11/15/16

what do 45 and 40 have in common
To get the anser  
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11/14/16

At the ice cream shop, there are 14 shakes sold for every 6 malts. What is the ratio of malts to shakes?
Trying to find the ratio  
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