Doug C.

02/01/19

Point M is loaed at (-2, 7). Point N is located at (6, y). The distance between M and N on the coordinate plane is 10 units. Find a possible y-value of point N.

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01/31/19

pre cal homework please help im so confused

to find the heigth of a hill, two angles of elevation are measured from ground level. The angle of elevation from point b to the top is 63 degrees. After the suveyor moves 140 ft directly away from... more

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Math

01/30/19

Percentage math?

Sidney spent 30% of her monthly salary on a new laptop last month. Then she spent 50% of her salary to pay her monthly bills. She put the remaining 1,200$ into her savings account. What was her... more

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Calculus

01/28/19

Find and simplify f(a + h) − f(a) h , (h ≠ 0) for the function. f(x) = 2x2 − 4x + 3

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Calculus

01/25/19

Find the volume of the solid formed by rotating the region enclosed by x=0, x=1, y=0, and y=5+x^5 about the y-axis

Find the volume of the solid formed by rotating the region enclosed by x=0, x=1, y=0, y=5+x^5 about the y-axis.

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Calculus Quadratic Functions

01/23/19

rewrite function in vertex form

Rewrite function in vertex form f(x)=x^2+6x+4

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Calculus

01/22/19

d2y/dx2 y = xsinx -3cosx

how to solve this question

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Calculus Trigonometry Limits

01/22/19

Limx->0[(x-1+cos x/x)]^1/x

Simplify in terms of e.options are (a)e^1/2 (B)e^1/3 (C)e^-1/2 ... more

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Calculus

01/21/19

How do you find the Volume of the solid using the cylindrical shells method?

x=7y2, y>=0, x=7; rotated about y=2

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Calculus

01/21/19

Find the volume of a solid using the cylindrical shells method. y=x^3, y=8, x=0; rotated about x=7.

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Calculus

01/19/19

f(x) = 1/(x^3-1) 1) lim x--> 1^- f(x) , 2) lim x--> 1^+ f(x) =

f(x) = 1/(x^3-1) 1) lim x--> 1^- f(x) = 2) lim x--> 1^+ f(x) = Would someone please show the steps for these two problems?

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Calculus Calc

01/19/19

limx-->1^+ ((x^2+5x-6)/(|x-x^2|)

limx-->1+(x2+5x-6)/(|x-x2|)The correct answer is 7 but I keep getting -7. I think I am doing something wrong with the absolute value bars. Can someone please show the steps for this?

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Calculus Area Integral

01/18/19

Find a formula for R (subscript) N for the function f(x) = x^2 on [0, 1] in terms of N.

Then compute the area under the graph as a limit.

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Math Calculus

01/17/19

Please help one calculus question

Use two rectangles of equal width to estimate the area between the graph of f(x) = x − cos(πx) and the x-axis on the interval [1, 5]. Evaluate the function at the mid-point of each rectangle to... more

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Grometry

01/17/19

Write an equation for a line containing (-8,12) that is perpendicular to the line containing the points (3,2) and (-7,2)

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Calculus Functions Pre Calculus

01/16/19

Please help!! secant question

a) Find the slope of the secant to the graph of f(x)=x^2-4x-30 between the points where x=-2 and x=1b) Determine an algebraic expression that represents the slope of any secant line that passes... more

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Calculus

01/12/19

finding optimization

A box manufacturing company would like to minimize the amount of material it takes to make their boxes. The boxes have widths of 10 cm and do not have any tops. Given that the volume of the box is... more

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Geometry

01/11/19

Help solving math problem

The vertices of square ABCD are A(−5, 0), B(−1, −2), C(−3, −6) and D(−7, −4). Which of the following shows that its diagonals are congruent perpendicular bisectors of each other?

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Algebra 1

01/09/19