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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04/29/17

find the volume of the solid formed by revolving the region bounded by the graphs of y=x^3 y=1 x=2 about the y-axis
Please help!!!
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04/24/17

Two observers are on different sides of a mountain. From a point on level ground, the first observer measures the angle of elevation to the peak of a mountain t
The second observer is also at ground level but is 200 meters further away from a point at ground level directly below the peak than the first observer. The second observer measures the angle of... more
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04/22/17

use the midpoint rule with the value
Use the Midpoint Rule with the value of n=4 to approximate the integral  pie/2  cos^2 x... more
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04/19/17

Determine the half life of the substance that decays from Ao to A in time t
Ao= 49 A=20 t=20 hours the answer is 15.5 hours but how do I solve for h when its in the exponent?
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04/19/17

I can't figure this out
A barrel with a diameter of 32 inches has a height of 4 feet. It is partially filled with water and when the barrel is lying on its side, the water has a depth of 8 inches. Find the volume of the... more
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04/19/17

ABCDE is a regular pentagon. Sides CB and EA have been extended to meet at P. If each side of the pentagon is a units long, find BP in terms of a.
geometry regular polygon extended  
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04/18/17

∑n k=1 (24k(k-1)/n^7
Use the summation formulas to rewrite the expression ∑n k=1 (24k(k-1)/n^7 without the summation notation.
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04/11/17

a semicircle with a perimeter of window is constrained to be 6 metres but able to admit greatest amount of light
Your father is in the process of building a new bungalow house for the whole family. Since you are an engineering student, he asked you to help in the designing of the house. He wants the windows... more
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04/05/17

Curve Sketching - Graph the following equation with precision
Graph the following equation with precision. Show all calculations.    x4 - 2x3 - x + 2 --------------------------      x3 - 4x   the dotted line is division. Just made it easier to read.... more
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