02/06/19

Please help me solve this question. The figure shows a triangle ABC where ˂ABC = 35°. H lies on BC such that the length of HC is twice that of BH. Find <ACB.
Please help me solve this question.The figure shows a triangle ABC where ˂ABC = 35°. H lies on BC such that the length of HC is twice that of BH. Find <ACB.
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01/16/19

What is the least positive angle measurement that is coterminal with -80°?
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12/29/18

Trigonometry Problem
A square with an area of 16cm2 is surrounded by four congruent triangles,forming a larger square with an area of 90cm2.If each of the triangles has an angle of theta on the vertices of the larger... more
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12/18/18

How can we use integration in sound?
Sound waves have a pattern like sine graphs so can I use integration to find the area under the graph and if I can what will the area represent? I would also like to know the frequency of the sound... more
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12/16/18

Proof that in a triangle ABC

a3sin(B-C)+b3sin(C-A)+c3sin(A-B)=0
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12/04/18

Please help I'm having problems understanding this chapter!
Find x where 3π/2≤x≤2π. 1+sin^2(x)=2+cos^2(x)+sin^2(x)
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11/08/18

how do I find the standard deviation in a given sample?
Hypothetical Miles per Gallon for Large SYV'S1 5 12 5 43 5 54 5 55 5 102 column is mpg sample 1 and 3rd column is mpg sample 2
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11/07/18

proper shere cap angle
if I have a sphere and I want to cut a chunk off the top making a sphere cap, at what angle from the top of the sphere cap down, would create a cap giving x% of the total volume of the sphere, (see... more
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10/28/18

I don't understand what's being asked for finding theta
I don't understand how to find theta when given the hypotenuse and a decimal. I understand that .866 was found by a fraction, but how do I find that fraction?Given the following information, solve... more
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10/25/18

algebra of matrices
A=[2 -1, 0 3, 1 -2] B=[1 -2 3, 2 0 1] Find AB and BA
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10/23/18

Given side lengths find largest angle
It is given that the three side lengths of a triangle are m, n, and sqrt(m^2+mn+n^2), determine the longest side and find the largest angle.
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10/20/18

A bridge is covered with triangular panels. If there are seven panels on each side (length of 1.7 meters) of the bridge, find the total area to cover the bridge.

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10/18/18

Solve for remaining sides and angles
Solve for the remaining sides and angles if possible (if not, answer "DNE" in all answer boxes). As in the text, (α,a), (β,b), and (γ,c)are angle-side opposite... more
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10/18/18

Solve for the remaining sides and angles if possible

Solve for the remaining sides and angles if possible (if not, answer "DNE" in all answer boxes). As in the text, (α,a), (β,b), and (γ,c)are angle-side opposite pairs.a=8 , b=9 , γ=67.4α=    °β= ... more
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10/18/18

Solve for the remaining sides and angles if possible
Solve for the remaining sides and angles if possible (if not, answer "DNE" in all answer boxes). As in the text, (α,a), (β,b), and (γ,c)are angle-side opposite pairs. Round to one decimal places,... more
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10/16/18

Whats happening in this cosine curve?
I was given a formula: y = a cos k ( x-b) + cI know that amplitude is a, period is 2pi/k, horizontal shift is b and vertical shift is c.and i'm suppose to explain what is happening in the... more
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10/16/18

Find all solutions of the equation in the interval [0, 2π). (Write your answer in terms of π. Enter your answers from smallest to largest.)
Find all solutions of the equation in the interval [0, 2π). (Write your answer in terms of π. Enter your answers from smallest to largest.)x=______radiansx=______radians
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10/16/18

Find all solutions of the equation in the interval [0, 2π) algebraically
Find all solutions of the equation in the interval [0, 2π) algebraically. Use the table feature of a graphing utility to check your answers numerically. (Write your answers in terms of π. Enter... more
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10/12/18

Express as a product
4sin^2(a)-3I know formula but not how to apply
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10/10/18

word problem equations and inequalities
A plane leaves an airport traveling at an average speed of 240 kilometers per hour. How long will it take a second plane traveling the same route at an average speed of 600 kilometers per hour to... more
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10/10/18

Equations and inequalities
A person 6 feet tall is standing at the base of a lamppost that is 25 feet tall and then begins to walk away from the lamppost. When the person is 10 feet from the lamppost, what is the length of... more
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09/30/18

How many books should be shipped to each place?
Red Bookstore wants to ship books from its warehouses in Brooklyn and Queens to its stores, one on Long Island and one in Manhattan. Its warehouse in Brooklyn has 1,000 books and its warehouse in... more
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09/23/18

Math Problem
At a given point in its orbit, the moon is 2.4*10^5 miles away from Earth. How long does it take a light from a source on Earth to reach a reflector on the moon and then return to Earth? (Speed of... more
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09/23/18

A cable of a suspension bridge
A cable of a suspension bridge hangs in the form of a parabola when the load is uniformly distributed horizontally. The distance between two towers is 150 meters, the point on the cable on the... more
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09/17/18

Evaluate cos−1(−3√2) for the angles between 0° and 360°
Evaluate cos−1(−3√2) for the angles between 0° and 360°. I need two angles.
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