08/24/17

solve the following trig equation 4(I cos x I)+3=bcos2x if one of the roots is 5Pi/6
solve the following trig equation 4(I cos x I)+3=bcos2x if one of the roots is 5Pi/6
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08/23/17

calculus question
A walkway is to be constructed in the shape of a sine function. The top curve is defined by y = sin x+2 and the bottom curve is defined by y=sin x+1. The horizontal length of the walkway is 2pi... more
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08/22/17

Can someone take this link and paste it into the search bar under images and give the answer of the question on the picture?
http://172.85.76.59/Library/00001211_163_2598_A1.png
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08/14/17

How many different ways can Joel choose a group of 5 shirts, assuming that he will not​ wear the same shirt more than once during the week?
Joel owns 12 shirts and is selecting the ones he will wear to school next week. a) 792 ways b) 17 ways c) 95,040 ways d) 60 ways
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08/11/17

Five less than twice a number is equal to one half the difference of three times the number and 13. Find the number.
I got 13 for my answer but I don't know if that is right, please help?
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08/11/17

find the sum of the integers for 7 to 508 inclusive ?
Can someone answer this question ?
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08/07/17

Prove the Identity (step by step)
sin(x) + sin(3x) = 4 sin(x) cos^2(x)
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08/07/17

ABC is a triangle. D is the center of BC . AC is perpendicular to AD. prove that $cos(A)*cos(c)=2*(c^2-a^2)/3$
ABC is a triangle. D is the center of BC . AC is perpendicular to AD. prove thatcos(A)⋅cos(C)=2(c^2−a^2)/3ac
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07/31/17

Find both points on the line y = 3 that are 10 units from (2, -3)
step by step answer please
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07/29/17

Why don't you use the distributive property when calculating 6/2(1+2)
This equation i an example, for the concept is the same regardless of the numberS:   6/2(1+2)   If following the order of operations, the equation calculates like... more
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07/29/17

find the sum 8+6+4+(8/3)+...
Is this even possible? I cannot find a correlation from a1 to a2 to a3.... so on. It's not Arithmetic or Geometric  
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07/28/17

Geometry m(angle) A = (3. + 18)degrees, m (angle) B = (2x-8) degrees
And the two angles are supplementary, find x.  I came up with 154/5 which was incorrect.
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07/26/17

Calculus word problems
Hi, I really need help with these two word problems 1. The upper right hand corner of a piece of paper, 15 in. by 10 in., as in the figure, is folded over to the bottom edge. How would you fold it... more
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07/20/17

Calculus Question
If f(x) = sinx, evaluate f(2+h)-f(2)/h to two decimal places as h approaches 0. Help?!
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07/18/17

Calculus Question
Find the equation of the tangent line to the curve 3xy = x3+y3, at the point (2/3,4/3). HELP!?
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07/18/17

Calculus Question
Differentiate y = (2x+5)^3(6x-1)^5. Express your answer in factored form.
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07/18/17

Coordinate geometry doubt
OABC is a rectangle where A lies on x-axis, C lies on y-axis and B lies on the curve x2/3 + y2/3 = a2/3 , O is the origin.Find the coordinates of B so that the area of OABC is maximum.
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07/15/17

Coordinate geometry doubt
OABC is a rectangle where A lies on x-axis, C lies on y-axis and B lies on the curve x 2 3 + y 2 3 = a 2 3 , O is the origin. Find the coordinates of B so that the area of OABC is maximum.
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07/15/17

Geometry Problem
I have attempted this many times after help and I can't complete it. Help? Three straight paths in a park create a triangle with picnic shelters at their vertices. The picnic shelters are located... more
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07/11/17

Triangle with Points
A triangle is formed from the points L(-3, 6), N(3, 2) and P(1, -8). Find the equation of the following lines: a) the median from Nb) the right bisector of LPc) the altitude from N
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07/06/17

A fence 2 feet tall runs parallel to a tall building at a distance of 5 feet from the building. We want to find the the length of the shortest ladder that will
Here are some hints for finding a solution: Use the angle that the ladder makes with the ground to define the position of the ladder and draw a picture of the ladder leaning against the wall of the... more
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05/15/17

Related Rates
You are sitting on the ground 50 meters from a firework display and are currently watching a bottle rocket fly straight up into the sky at a rate of 40 m/s. How fast must you tilt your head up in... more
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05/07/17

TRIGONOMETRY
PYTHAGOREAN THEOREM Right angle triangle: C=25 A=x B=4x . My textbook says x=6.06 but I think it's wrong, please explain how I work this out.  I know the formula is A^2=C^2-B^2 thanks.   
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05/07/17

find the coordinates of the other endpoint of the segment, given its midpoint and one endpoint
midpoint (9,0) endpoint (12,3)
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05/03/17

Use washers to find the volume formed by rotating the region enclosed by: y=1.4−2|x−13| and y=0 about the y-axis
 Use washers to find the volume
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