11/27/15

pre-calculus word problem
A quilt consists of 12 identical squares with 4 rows of 3 squares each. Each square is to have a regular octagon inscribed in a circle.  Each side of the octagon is to be 8 in long.  Find the... more
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11/25/15

integrate 0 to pi/2 xsinx/1+ cos2x
definite integral question
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11/25/15

domain of 10+3/2x-1
how to find domain and range from an expression given     
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11/25/15

the lengths breadths and heights of two cuboids are in ratio 1:2,3:5 and 4:5 repectiveiy.find the ratio of their volumes.
the lengths breadths and heights of two cuboids are in ratio 1:2,3:5 and 4:5 repectiveiy.find the ratio of their volumes.
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11/25/15

Evaluate the indefinite integral
∫ 54 sin(5t) dt   ANSWER: - 1/ln(5) * cos(5t) + C #29, p414
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11/23/15

what is the function of cos that has an amplitude of 4, a period of 2pi and has a point at (0,2)?
I need answers with detailed steps
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11/19/15

What would the dimensions of the hexagonal base be?
A farmer plans to build a regular hexagonal corn crib with sides 8 feet high. If he wants the crib to hold up to 1,000 bushels of corn, what would the dimensions of the hexagonal base be? (1,000... more
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11/19/15

Cosine trigonometry
Assume 0 ≤ θ ≤ πIf cos(θ) = 1, What is csc(θ)? cot(θ)?
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11/18/15

Solving For X In The Interval
Solve for x in the interval...   0<x<2π: 3sin2(2x+1)+2sin(2x+1)-1=0   My teacher says there should be 6 answers.  I have a TI-84 calculator, so maybe there's a way to plug this in to find... more
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11/18/15

Calculus related rates problem
A 200 foot tree is falling in the forest; the sun is directly overhead. At the moment when the tree makes an angle of 30? with the horizontal, its shadow is lengthening at the rate of 50 feet/sec.... more
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11/18/15

physics problem
2) A boat traveling west encounters a current moving 8m/s south. The boat travels 56m downstream while crossing the 100m wide river. a) How much time does it take to travel shore to shore? b)... more
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11/17/15

Graphing sin
Below sketch the graph of a full cycle of the function.   y=3sin[3(x+pi/3)]+2
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11/17/15

area of right circular cylinder
A 15m tall pillar consists of two parts. The diameters of the base at the bottom and the top-most circular disc are in the ratio 4:3. If the total area of the curved surfaces of both the parts of... more
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11/16/15

Find numbers B,C, and D such that x^3 + x^2 -8x + 13= (x-1)^3 + B(x-1)^2 + C(x-1)+ D
Please thoroughly explain the process of solving this problem.
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11/16/15

Use the 5-step procedure to solve by elimination: x + y + z = -3, 3y - z = 4, and 2x - y - 2z = -5. Write your answer as a point, an ordered triple: (x,y,z), wi
I need help on this assignment!
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11/16/15

A first number plus twice a second number is 1. Twice the first number plus the second totals 26. Find the numbers
Help please............. ...................:::.
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11/15/15

Evaluate the integral
Evaluate the following indefinite integral: ∫(x4)/((x-3)*(x+4)) dx
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11/15/15

Indefinite integral
Evaluate the following indefinite integral: ∫1/(x2-3x-10) dx
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11/15/15

Indefinite integral
Evaluate the following: ∫9/(√4-x2) dx
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11/15/15

Find the limit. Use l’Hospital’s Rule where appropriate. If there is a more elementary method, consider using it. If l’Hospital’s Rule doesn’t apply, explain wh
Find the limit. Use l’Hospital’s Rule where appropriate. If there is a more elementary method, consider using it. If l’Hospital’sRule doesn’t apply, explain why.   lim (x → ∞)... more
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11/15/15

The radius of a sphere is increasing at a rate of 3 mm/s. How fast is the volume increasing when the diameter is 80 mm?
The radius of a sphere is increasing at a rate of 3 mm/s. How fast is the volume increasing when the diameter is 80 mm?
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11/04/15

find the exact value of tan(x+y) if cot x=6/5 and sec y=3/2
is there any formulas I can use to solve this kind of question?
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