05/13/16

Solve the triangle?
Side A = 46 degrees Side C and B = unknown b = 4 c = 8 a = unknown
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05/12/16

four years ago peter was three times as old as Sylvia, and in 5 years the sum of their ages will be 38 years. Find their present ages
I need help with this problem. Can anybody help me please
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05/12/16

If x is the tens digit and y is the ones digit, which system of equations represents the word problem?
The sum of the digits of a two digit number is 14. The difference between the tens digit and the units digit is 2. If x is the tens digit and y is the ones digit, which system of equations... more
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05/12/16

among all rectangles with perimeter of 40. Find the the area with largest dimension?
write as fraction in lowest terms
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05/08/16

Geometry word problem
A 60-foot flagpole was placed in front of a post office, perpendicular to the ground. After many years, the flagpole began to lean. The distance from the top of the flagpole to the ground is now 50... more
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05/07/16

Sum and Differences Identities
Write the expression as the sine or cosine of an angle.   sin 42º cos 17º - cos 42º sin 17º
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05/07/16

The base is a triangle with two angles measuring 90 and 65 what is the measure of the third angle?
Is the equatoon that you use is (a2+b2=c2
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05/07/16

solution to word problems through quadratic equation
I want it to be answered urgently.'"A wire of length 200 cm is cut into two parts and each part is bent to form a square.If the area of the larger square is 9 times that of the smaller square,find... more
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05/07/16

If the 7th term of the geometric sequence is 77, and the 8th term is 231, find the common ratio of the sequence.
please help me with this problem
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05/07/16

Word problem with speed and trains
By traveling 10km/hr faster than its normal speed, a train can complete a journey of 300km in 1 hour less. Determine the train's normal speed
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05/04/16

Hey! Algebra 2 Freshman here. "Find two consecutive positive integers whose product is 4 more than 4 times the sum."
I am not looking for a detailed solution. I am only looking for a way to start the problem, as I am at a loss on how to start it. No, I actually want to challenge myself! Thank you to whoever helps :) more
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05/04/16

what are the numbers?
 the mean of 5 whole positive numbers is 6. the mode and the median is 7. 
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05/02/16

Having a hard time setting up the question for solving.
I'm having a hard time setting up the problem for solving it.  Shawn's Corvette travels 400 miles averaging a certain speed. If the car had gone 20mph faster, the trip would have taken 2 hours... more
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05/02/16

functions f(5)
If f(1) = 3 and f(n) = -2f(n-1) +1, then f(5)=
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05/01/16

Combining squares
The combined area of two squares is 45 square centimeters. Each square is twice as long as a side of the other square. What is the length of each side of the larger square? 
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05/01/16

Find a polar equation for the curve represented by the given Cartesian equation.
2x+3y=6   A) 2sinθ+3cosθ=6r B) r(2cosθ+3sinθ)=6 C) r(2sinθ+3cosθ)=6 D) 2cosθ+3sinθ=6r
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05/01/16

One diagonal of a kite is four times as long as the other diagonal. If the area of the kite is 72 square meters, what are the length s of the diagonals?
I am not sure how to do this because if you plug in 72 for area then you are left with 2 variables.
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05/01/16

A right triangle has one leg that is 1 inch longer than the other leg. The hypotenuse is 5 inches. Find the length of the legs.
A right triangle has one leg that is 1 inch longer than the other leg. The hypotenuse is 5 inches. Find the length of the legs.
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05/01/16

A 50-meter vertical tower is braced with a cable secured at the top of the tower, 30 meters away from the base. What angle doe the cable make with the tower?
law of sines
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04/28/16

You invest $4000 in an account that grows up to $6,520 in 4 years. Find the annual interest rate
Finding the annual interest rate, after 4 years, invest $4000 in an account that grows to $6,520
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04/28/16

Find b if p = 32 and r = 66 2/3
Need help in figuring out this question  find b if p= 32 and r = 66 2/3
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04/28/16

marvel confusion
Barrels of Marbles Two barrels each contain 1000 marbles. The blue barrel has 1000 blue marbles; the red barrel has 1000 red marbles. Ten marbles are removed from the blue barrel, placed in the red... more
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04/27/16

Mathematical Induction.
Use mathematical induction to prove that each statement is true for every positive integer n.   3 + 7 + 11 . . . + (4n-1) = n(2n+1)
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04/27/16

Multiply and simplify:
Multiply and simplify: ( ( x*x - 4*x ) / ( 4*x ) ) * ( 1 / ( 16 - x*x ) )
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04/27/16

A rectangle has a length of 14 yards less than 9 times its width. If the area of the rectangle is 6183 square yards, find the length of the rectangle.
A rectangle has a length of 14 yards less than 9 times its width. If the area of the rectangle is 6183 square yards, find the length of the rectangle.
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