03/11/15

If sec x + (rad5)/2 with angle x in Quad IV and tan y = -1/3 with angle y in Quad II find the valeue of cos (x-y)
If sec x + (rad5)/2 with angle x in Quad IV and tan y = -1/3 with angle y in Quad II find the valeue of cos (x-y) please show steps
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03/11/15

What is the frequency of the function f(x) = cos (12x)?
What is the frequency of the function f(x) = cos (12x)?
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03/11/15

5x-4y=8 find the x-intercept
i just need some help with this math problem.
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03/10/15

What is the inverse of x^3-2/x ?
Find the inverse of x^3-2/x 
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03/10/15

X plus 10% is 150. What is the value of x?
So the original number is X. And if I add 10% to X I get 150. I wanna know what the original value of X is.   Please help
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03/10/15

how to find pitch of roof with the run=8 ft. and rise = 6 ft.
I need to know the formula for finding the pitch or slope of a roof. The rise is 6 feet and the run is 8 feet.
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03/10/15

Return answer as soon as possible. Thanks for your assistance.
Return answer as soon as possible.  Thanks for your assistance A gardener is planting tulips 4dm apart in the shape of a regular hexagon. If each side of  the hexagon is 8 dm long, how many tulips... more
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03/10/15

There wer 125 parents and 150 students at the game
A)find the ratio of students to parents  b)find the ratio of parents to students 
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03/10/15

Find the volume of a cube .
A sphere is inscribed in a rectangular solid 5 cm in length, 4 cm in width and 3 cm in height. Another sphere of the same volume also inscribed in a cube. Find the volume of a cube .
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03/09/15

Algebraic Solution of System of Equation involving quadratic
3x^2 + 4xy + 3y^2 = 2 9x^2 + 18xy - 6y^2 = 3Find x and y
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03/09/15

What is the inverse of x(x-3)^(1/2)?
Find the inverse of x(x-3)^(1/2)
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03/08/15

trigonometry word problem
a theater has 17 seats in first row and 22 rows in all each succesive row contains 2 more how many seats are in the theater?       .. pls i really need help im begging
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03/08/15

Math word problem using law of sines
a 12-meter flagpole casts an 18-meter shadow down a slope when the angle of elevation of the sun is 50 degrees.  Find the angle of the slope from the horizontal
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03/08/15

What is the solution of this quadratic equation x^2=18
Simplify solution if possible
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03/08/15

22×(4.2-Y); Y=1.2
Y =? Unknown number 22=regular 2 and superscript 2
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03/08/15

Five years ago Ang was 1/2 as old as Paula. Now he is 3/5 as old as Paula. Make a table to show both of their ages
wrire and solve an Equation to show their ages
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03/08/15

What is the scale factor for similar rectangles A (132in x 144in) and B (4in x 7in)?
There are two similar rectangles. The length of rectangle A is 132 inches and the width is 144 inches. The length of rectangle B is 4 inches and the width is 7 inches. What is the scale factor?... more
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03/08/15

verify that: cos^3(x)+sin^3(x)=1/2* (cos(x)+sin(x))*(2-sin(2x))
 verify that: cos^3(x)+sin^3(x)=1/2* (cos(x)+sin(x))*(2-sin(2x))      
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03/08/15

how to solve this in two variable equation
one test tube contains some acid and another test tube contains an equal quantity of water. to prepare a solution, 20 grams of the acid is poured into the second tube. then two thirds of the... more
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03/07/15

the population in 2050 will be
in 2006 the population of a country was 55.5 million people. from 2006 to 2050, the countrys population is expected to decrease by 5.5%. find the expected population of the country in 2050. round... more
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03/07/15

Math word problem multiple choice
A high school student created a remote control car that can travel 66 feet in 6 seconds. Express as a unit rate   A. 11 feet/sec   B. 66feet/sec   C. 11sec/feet   D. 6 feet/sec
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03/07/15

Expression
Which expression can be used to find the number of feet in any number of yards, y?
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03/07/15

Expressions
Write an expression which could be used to find the cost of buying B books and M magazines    School book fair prices:   Magazines are $3.00   Paperback books are $12.99
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03/07/15

Solve using logarithmic
given: populations of 2 towns Springfield: f(t)=200(2)^t/3shelbyville:g(t)=500(1/4)^t/5when will springfeikd and shelbyville have the same populatio? What is that population? With explaintion and... more
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03/07/15

How many of these are less than 5000?
In this version, you are to form a 4-digit number from the digits 1, 2, 3, 4, 7, 8, and 9, using each at most once.   How many of these are less than 5000?
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