| Subject | Date Asked | Expert |
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| geometry | 11/5/2009 | Scott A Wilson |
Q: The measure of an angle is 3 times as great as its compliment. Which is measure of smaller angle? ...
A: The measure of the angle is X. The angles compliment is 90°-X. The problem states that X = ...
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| Calculus I - Various | 11/3/2009 | Azeem Hussain |
Q: Hey there I have a test tomorrow nigh for Calc and I just can't seem to get the answers for these ...
A: 2. To find the 30th derivative, begin by finding the first few. f(x)=cos(2x) f'(x)=-2sin(2x) ...
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| Finding Dimensions Given Area | 11/1/2009 | Azeem Hussain |
Q: I am trying to figure out how to get the base and lenght to a problem that only has the area given. ...
A: Ultimately, your final formula will depend on the shape. You need an equation for area in terms of ...
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| Geometry Story Problem | 10/31/2009 | Scott A Wilson |
Q: In an isosceles trangle, two sides are equal. The third side is 50% of the length of one of the ...
A: Give one of the two sides that are equal length x. The length of the other side that is the same ...
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| making a problem with the properties of lines and angles | 10/30/2009 | Scott A Wilson |
Q: is it impossible to make and solve a problem that uses at least six lines, one set of parallel ...
A: Lets play pick up sticks. Suppose they all dropped. In the way they dropped, two of them were ...
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| question | 10/27/2009 | Scott A Wilson |
Q: Haw to find the volume of irregular shape
A: Option 1 Use calculus and integrate between curves if you know the equation to approximate the ...
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| geometry - proofs | 10/22/2009 | Scott A Wilson |
Q: I need help in writing proofs. I don't have a clue as to how to write them out. I can look at a ...
A: Lets call the angle in question A. The angle write below it is B, and it is known that since A+B ...
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| geometry | 10/20/2009 | Scott A Wilson |
Q: 2 vertical angels in an X shape, one angle is 3x and the other angle is (80-x). Find the value of ...
A: If you have 2 vertical angles and together they measure X, then that is the sum of the measurements ...
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| geometry | 10/15/2009 | Scott A Wilson |
Q: need examples of adjacent angles am confused how to tell adjacent angles apart from non adjacent
A: Adjacent angles means two angles that share a line with each other. If ABC is 30° and CBD is 50°, ...
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| Geometry | 10/13/2009 | Scott A Wilson |
Q: How does the number of diagonals from each vertex compare to the number of sides?
A: In a triagle, there are none. In a square, there are two. In a pentagram, there are five. In a ...
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| Geometry | 10/12/2009 | Scott A Wilson |
Q: . If each dimension of a box is quadrupled, how are the surface area and the volume affected?
A: Each dimension is quadrupled means each dimension, say L, W, and H, become 4L, 4W, ahd 4H. The ...
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| geometry | 10/12/2009 | Scott A Wilson |
Q: What is the diameter of a circle with the radius of 58 inches.
A: The diameter of a circle is the distance from one side to the other through the center. Picturing ...
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| Circle Formulae | 10/12/2009 | Azeem Hussain |
Q: Hey, I'm in first year calculus in university and it seems my prof expects us to know the xy formula ...
A: The equation for the unit circle centred at the origin is x²+y²=1. The standard equation is ...
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| Angle of Elevation of Sun | 10/8/2009 | Azeem Hussain |
Q: Hey, I'm a high school junior and I'm trying to figure out how to find the elevation of the sun by ...
A: Hey Bella, When dealing with a right triangle, basic trigonometry comes into play. Draw a right ...
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| Angle of Elevation of Sun | 10/7/2009 | Azeem Hussain |
Q: Hey, I'm a high school junior and I'm trying to figure out how to find the elevation of the sun by ...
A: The method I will explain to you uses an inverse tangent. Find some flat ground, and hold the metre ...
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| 6th grade geometry | 10/6/2009 | Scott A Wilson |
Q: Suppose you select a number in the interval from 1/2 to 3/4 and a number in the interval 3/4 to 1 ...
A: The least is found by choosing the least in each interval. That is, take the 1st as ¼ and the 2nd as ...
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| geometry- triangle with quadratic measurements | 10/5/2009 | Scott A Wilson |
Q: triangle ABC, the exterior angle of C (BCD) measure is 3X^2+8X-1. Angle A measure is 2X^2+7 Measure ...
A: By the exterior, do you mean the the supplement of that angle? That would mean the angle C was 180 - ...
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| Deductive Reasoning | 10/2/2009 | Scott A Wilson |
Q: How can i learn everything in Geometry for my credit recovery class? I take the notes and it still ...
A: Talk to a student counselor and let them know that you took notes. Also, it might be good to get ...
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| math | 9/29/2009 | Scott A Wilson |
Q: LHS Sin2A+sin2B+sin2C = 2SinA cosA+2sin(B+C).cos(B-C) =2sinAcosA+2sinA.cos(B-C) ...
A: The equation is sin(2A) + sin(2B) + sin(2C) = 2•sinA•cosA + 2sin(B+C)•cos(B-C). First, it is a ...
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| Math | 9/28/2009 | Scott A Wilson |
Q: what is a list of jobs that use the knowlege of the surface area/ volume of a shere?
A: I don't know of any particular job that uses this, but it is sometimes needed in various places. The ...
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| More questions! | 9/28/2009 | Scott A Wilson |
Q: These questions are dealing with "solids" of geometry. There's a lot of questions, I hope you can ...
A: 1) If d = 4, 2r = d => r = d/2 = 4/2 = 2. The height h is 15, so take 15c, where c is the length of ...
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| Circles and solids. | 9/25/2009 | Scott A Wilson |
Q: How would I find the chord length of a segment if the radius of the curvature is 10 ft. and the ...
A: I forgot to send the picture with my response. I wish that could be attached at first, but I have to ...
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| Geometry help | 9/25/2009 | Scott A Wilson |
Q: 3 times the measure of an angle is twice of it's compliment
A: The angle is X. The complemt is 90-X. We are given that 3X = 2(90-X). This means that 3X = 180 - ...
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| ratios?? | 9/24/2009 | Scott A Wilson |
Q: hey, so I failed geometry my tenth grade year and now I have to make it up online simply because I ...
A: I have no way of accessing that picture. When I want to send pictures, they need to be put in a JPG ...
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| In need of help. | 9/23/2009 | Scott A Wilson |
Q: So, I got the first question down. I got to this problem, and my mind literally went blank. This ...
A: Yes, DE + EF = DF, so just put in the values. DE is 5x + 13, EF is 6, and DF is 7x - 25. That ...
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| Basic Trig - Airplane | 9/22/2009 | Azeem Hussain |
Q: An airplane takes off with an angle of elevation of 25º. It flies 1,100 feet before the angle levels ...
A: Sketch the ground. Sketch the diagonal at 25 degrees to the ground. Connect the diagonal to the ...
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| Geometry | 9/22/2009 | Scott A Wilson |
Q: hey, thank you ahead of time for your help. I've been stuck on this problem: a pyramid has a slant ...
A: The area of a pyramid is known to be Ah/3 where A is the area of the base and h is the height. The ...
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| Complementary Angles | 9/18/2009 | Azeem Hussain |
Q: My daughter posed this question to me, and I can't seem to solve it: Angle A and Angle B are ...
A: As written, there is no solution to the quadratic equation. Assuming there is a typo and it's ...
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| Triangular Prism | 9/17/2009 | Azeem Hussain |
Q: how to find the surface area, volume and lateral area of the triangular prism if the height of the ...
A: Assuming you have the three sides of the triangle and the prisms height... [a=side 1 of triangle ...
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| geometry | 9/16/2009 | Scott A Wilson |
Q: Learning conjectures; Question I don't get. Write a rule in terms of "n" for the sum of the first ...
A: The list of positive, even integers is 2, 4, 6, 8, 10, 12, ... The sum is 2, 2+4=6 2+4+6=12 ...
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| Geometry | 9/15/2009 | Scott A Wilson |
Q: How would you find the length of the segment using the Segment Addition Postulate to solve for x ...
A: If we know the length of HJ and JK, add them up and you get the length of KH. The lengths or HJ = ...
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| Various | 9/14/2009 | Azeem Hussain |
Q: Azeem, honestly i have no clue about maths, I really need you help. 1. Please help me to find the ...
A: Unless if you don't know what a square is (in which case tell me), I can't make it much simpler than ...
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| equations! | 9/13/2009 | Scott A Wilson |
Q: There are a few questions. 1. Point B is between A and C. If AC=11x-20, AB=3x-8 and BC=6x+4 x= AC= ...
A: I will use L() as the length of a line segment. 1. It is nown that L(AC) = 11x-20, L(AB) = 3x-8, and ...
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| Various | 9/11/2009 | Azeem Hussain |
Q: Azeem, honestly i have no clue about maths, I really need you help. 1. Please help me to find the ...
A: A cube's surface area is composed of 6 equal squares. Find the area of one square and multiply that ...
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| trigonmetry | 9/10/2009 | Scott A Wilson |
Q: prove that (sinA.sin2A+sin3A.sinA6A)/(sinA.cos2A+sin3A.cos6A)=5tanA ...
A: I'm not sure what sinA6A is. Is it suppose to be sin6A? I don't see how that is possible. It looks ...
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| Segment Addition Postulate. | 9/9/2009 | Scott A Wilson |
Q: I have a question and it states.. R,S, and T are collinear. S is between R and T. RS=2w+1, ST= w-1, ...
A: Let XY, YZ, and XZ be lines. The Segment Addition Postulate says that if XY + YZ = XZ, then Y is ...
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| Pythagorean Theorem | 9/8/2009 | Scott A Wilson |
Q: I need some help on the steps to find the missing sides of a rt triangle c= 10, a = x-2 and b = x-4.
A: For a right triangle, we know that a² + b² = c². Putting in what we're given for a, b, and c gives ...
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| pump tank | 9/8/2009 | Scott A Wilson |
Q: A pump tank has a diameter of 40 inches.To keep the pump from short-cycling,the floats must be ...
A: Since the diameter is 40 inches, the radius is 20 inches. That makes the area πr² in.², which ...
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| Geometry | 9/7/2009 | Scott A Wilson |
Q: Prove that the Median drawn from the vertex to the base of an isosceles triangle bisects the ...
A: The triangle is an iscoeles triangle, and by definition, two of the sides are equal. Since the line ...
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| math | 9/5/2009 | Scott A Wilson |
Q: sin(2A)=2sinA cosA =(2sinA cos^2A)/cosA =2tanA/sec^2A =2tanA/1+tan^2A sir please explain it
A: There are some trig laws that are proved in almost any book on trig. The first one is sin(2A) = ...
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