04/05/16

Ten times the reciprocal of a number equals 5 times the reciprocal of 10
Ten times the reciprocal of a number equals 5 times the reciprocal of 10
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04/05/16

Word problem
If Rachel were to paint her living room alone, it would take 4 hours.  Her sister Terri could the job in 6 hours.  How long would it take them working together?
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04/05/16

cannot figure out this word problem please help !!!
In 2008, the amount spent by a typical American household on food was about $6450. For every $10 spent on food away from home, about $14 was spent on food at home. Find the amount of household... more
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04/04/16

how many weeks in 35 days
pls help im a child lol
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04/04/16

Inverse functions
If f(x)=3x+1 then find f-1(4)
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04/04/16

f(x) = (x-2) / (x+1)
Evaluate f(x) + 1    Hi, I need help with this problem. The step where you plug it into the x's , it becomes one huge complex fraction and that's where I don't know how to solve. 
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04/04/16

1in. represents 324, how much does 5/4 represent?
On a map, 1 in. represents 324 miles. How much does 5/4 in. represent?
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04/04/16

why is -3 squared = - 9 but (-3) squared =9
What do parenthesis do to a negative integer compared to an integer with out parenthesis?
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04/04/16

3/8(8x-24)=18
How do you solve this equation step by step
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04/04/16

intersecting line forming right angle?
 just a definition 
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04/03/16

what fraction of the estate will go to charity
A will states that 1/6 of the estate is to be divided among relatives. Of the remaining? estate, 1/2 goes to Charity A. What fraction of the estate goes to Charity? A?
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04/03/16

Find the area of the shaded region in terms of pi
The picture shows a square with a side length of 14 inches. In the square is a quarter circle (whose radius is the Side of the square) and two half circles ( with diameters that are sides of the... more
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04/03/16

your paycheck before deductions varies directly as the number of hours you work. if your paycheck is 153.60 fot 16 hours, find your pay for 10 hours.
your paycheck before deductions varies directly as the number of hours you work. if your paycheck is 153.60 fot 16 hours, find your pay for 10 hours
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04/03/16

How to find the inequality?
The lenght of a rectangle is 3.5 centimeters more that its width. The perimeter of the rectangle is less than 30 centimetets. Write an inequality that can be used to find one possible measure for... more
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04/03/16

Find the area of a rectangle whose vertices are ( 2/5, 2) , (2/5, -1) , (0,2) and ( 0,-1)
Hi, my book is saying the answer is 6/5. I keep getting something else and i remember my teaching saying there are errors in the book so I don't know if my answer is right or wrong.    I used the... more
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04/03/16

Is this a counterexample to the converse or to the contrapositive?
Let p be "Cody wins his tennis match" and q be "Cody will go to the state tournament."Suppose Cody goes to the state tournament but he does not win his tennis match.
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04/03/16

I really need help wih these two!!!
Rewrite using radicals: (x^(3/4))(y^(1/4))  cuberoot(x^4)*sqrt(x^(1/2)) cuberoot(x^4)*y^4 cuberoot(x^4)*4throot(y) 4throot((x^3)y) sqrt((x^(3/2))y) Rewrite using rational exponents: sqrt((3xy)^4) ... more
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04/03/16

Writing an algeabric expression
Answer each question. Then write an expression that can be used to solve for any input. Be sure to define the variable   Mr. Hartman joined the Book of the month club. In his first order, he... more
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04/03/16

Gina is making a square tablecloth. The length of the table cloth is 54inches. How much fabric will Gina need?
Gina is making a square tablecloth. The length is 54 inches. How much fabric will Gina need.
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04/03/16

A rectangle is divided by m lines parallel to one pair of opposite sides and n lines parallel to the other pair.
  The question is: A rectangle is divided by m lines parallel to one pair of opposite sides and n lines parallel to the other pair. How many rectangles are there in the figure obtained?   So... more
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04/03/16

Algebraic expression word problems - HELP!
Four students are assigned a project. They must each write an even portion of their summary paper. If they each already wrote one page of introduction and the paper is suppossed to be 40 pages, how... more
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04/03/16

A man performs 3/5 of the total journey by rail 17/20 by bus and remaining 6.5 km on foot his total journey is ?
A man performs 3/5 of the total journey by rail 17/20 by bus and remaining 6.5 km on foot his total journey is ?   total journey is x 3/5x+17/20+6.5=x   but my answer is wrong why my equation... more
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04/03/16

x-7/3x^2-8x+4 divided by 3x-21/6x^2-24
x-7/3x^2-8x+4 divided by 3x-21/6x^2-24 i need help on this math problem for my alg/trig homework  
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04/02/16

Confused on law of cosines with the given SAS values
I have  a = 65 b = ? c = 50   <A = ? <B = ? <C = 52   Now I understand the b2 = a2 + c2 - 2ac*CosB and the other 2 variants of the formula but how do I solve it when I don't have... more
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04/02/16

Help Me !!!!!
The vertex of a parabola is in the first quadrant of a coordinate grid. A line with a negative slope passes through the origin. If the parabola and line intersect at the origin, which statement... more
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