12/03/18

You have a string with a length of 24 ft closed up in a loop.

You make a square with part of it, and an equilateral triangle with the other part. Keeping these two basic shapes, we decrease the side of the square at a rate of 4 ft/s. At what rate are the... more
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12/03/18

Find an equation for the tangent line to the implicit curve at a point.
sin(x−y) =xcos(y+π/4) at the point (π/4, π/4)
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11/27/18

When the tax on cigarettes was increased by 5%, the price of the certain pack became $5.60. What was the original price?
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11/24/18

"Which points are in the solution set?" The system of linear inequalities are, y<1/2x-1 and y greater than or equal to 2x+3. How would I find the points?
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11/18/18

Integral of (5+sqrt(x)/5-sqrt(x))dx?
Comment if any extra clarification is necessary.
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11/03/18

A trough is 14 ft long and its ends have
A trough is 14 ft long and its ends have the shape of isosceles triangles that are 5 ft across at the top and have a height of 1 ft. If the trough is being filled with water at a rate of 9 ft3/min,... more
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11/02/18

Integral Calculus Really need help
Let n ∈ N. prove that integral (from 0 to pi/2) [sinn(x)/sinn(x)+cosn(x)]dx = pi/4please i really need help this is the only question i can't answer..
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10/27/18

Constraint Equation.
A rectangular garden of area 532 square feet is to be surrounded on three sides by a brick wall costing $ 14 per foot and on one side by a fence costing $5 per foot. Find the dimensions of the... more
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10/27/18

find the coordinates of point x that lies along the directed line segment from Y(-8,8) to T(-15,-13) and partitions the segment in the ratio of 5:2
A. (-5,-15)B.(-13,-7)C. (-11.5, -2.5)D.(-23,-5)
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10/26/18

sinxcosx/cos^2x-sin^2x=tanx/1-tan^2x
Please answer as soon as possible. Thanks!!
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10/25/18

Find dy/dx by using implicit differentiation: x^5+8x^3y^2=20
Find dy/dx by using implicit differentiation: x5+8x3y2=20I got dy/dx= -5x4-8x3-24x2y2 / 2y.I was wondering if that was right
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10/24/18

a line on the coordinate plane passes through the points (7,-5)and (3,11) A line that is perpendicular to the first line passes through the points (-3,-9) and (5,n). find the value of n
:V a line on the coordinate plane passes through the points (7,-5)and (3,11) A line that is perpendicular to the first line passes through the points (-3,-9) and (5,n). find the value of n \please... more
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10/20/18

Find a cubic function y = ax3 + bx2 + cx + d whose graph has horizontal tangents at the points (−2, 8) and (2, 2)
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10/16/18

Why aren't all functions continuous on their domain? Give example
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10/15/18

Minimizing the area of a triangle
Look at the curve x^2 + 3y^2 = 1. In the first quadrant draw different tangent lines to points of the curve. These tangent lines form triangles with x- and y- axes. For which point on the curve is... more
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10/14/18

What is the area of triangle CEF?
Right angled, isosceles triangle ABC has A􏰀 = 90◦with E the midpoint of AC. F is a point on BCsuch that FE is perpendicular to EB. AB =AC = 40 √3. What is the area of triangle CEF?please answer... more
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10/10/18

Use implicit differentiation to find an equation of the tangent line to the curve at the given point. y sin(16x) = x cos(2y), (π/2, π/4)
Use implicit differentiation to find an equation of the tangent line to the curve at the given point.y sin(16x) = x cos(2y),    (π /2, π /4)
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09/19/18

Evaluate and simplify
Given g(x) = 3/(x+2), evaluate and simplify: g(5+h)-g(5) --------------  =  ????         h    The answer should be -3/(49+7h).  Please show me the steps to get this answer 
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09/09/18

Complete this number sequence 0,3,8,15,24
Help me this is too hard
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09/09/18

Word Problem
there are three base stations that can send and receive signals from your mobile phone P. suppose that in a rectangular coordinate system, the locations of three base stations A,B and C are (0,0)... more
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08/28/18

Express the following in summation notation
a. x1+x2+x3+x4+x5   b. x1+2x2+3x3+4x4+5x5  
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08/22/18

(9x)/(4-(sqrt(6x-38)))
find the domain  
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08/16/18

Double integral - calculating area
Calculate the area of the region bounded by the two curves, y = 4 - x2 and y = x + 2.   The answer is meant to be 9/2 but I just cannot get it!!! Maybe my bounds are incorrect.... help!
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08/12/18

Find the area of a triangle with legs that are 9mm, 6mm, and 12mm
Is it 37mm? 26.1mm? 12.3mm or 11.6mm
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08/05/18

Dice experiment
In one experiment we throw three dice.Determine the probability that at least on two of them we will get even numbers.
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