10/09/20

Find the volume of the solid obtained by rotating the region enclosed by the graphs of y=18−x, y=3x−6 and x=0 about the y-axis.
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10/08/20

Precalculus question
From the given equation of a parabola x2- 2x - 4y + 32 = 0 , Find the following Coordinates of the vertex Coordinates of the focus Equation of the Latus rectum I find it hard to understand when... more
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10/07/20

Help Please, I don't understand how to start this problem
The half-life of a radioactive substance is 11 days. After 20 days a sample of the substance has been reduced to a mass of 5 mg.What was the initial mass (in mg) of the sample?Using your answer... more
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10/06/20

I have to find the value of N
X3+ nx2+4nx-6 by x+3 and the remainder is -48
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10/06/20

I need help solving this algebra question

The larger of two numbers is 6 more than 3 times the smaller. If the twice the larger number is increased by 3 times the smaller, the result is 3. Find the numbers by solving algebraically
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10/05/20

Solve the following system of inequalities graphically on the set of axes below. State the coordinates of a point in the solution set.
y> 3x-5y< -x-1
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10/05/20

Find the limit multiple choice

Find the limit: limx->0[1/(4+x)-(1/4)]/xa. -1/5b.-1/8c.-1/4d.-1/16
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10/03/20

precal question

Each of these equations can be transformed into an equation of linear or quadratic type by applying the hint. Solve each equation. (Enter your answers as comma-separated... more
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10/02/20

Identify the equation in point-slope form for the perpendicular bisector of the segment with endpoints B(6,9) and C(8,−7).
please walk me through how to do this so I can do it on my own next time :) thank you!
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10/01/20

Calculus Question
Let C denote the curve x2/3+y2/3 = 1. Let P denote a point on the curve C in the first quadrant. Let L denote the normal line to the curve C at the point P. If L passes through the point (1/2,0)... more
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10/01/20

Explain how the graph of y = a sin (bx + c) changes for different values a, b, and c.
Can someone please explain its answer.
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09/30/20

Use the Binomial Theorem to expand and simplify the expression.

Use the Binomial Theorem to expand and simplify the expression.(x + 2)5 − 4(x + 2)4
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09/27/20

Genuinely stumped
The line y+4=3/4(x-8) contains (a,2). Find a
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09/26/20

Perimeter of a plot. Do not understand. Help!
The perimeter of a plot of land in the shape of a right triangle is 48 miles. If the length of one leg of the triangle exceeds the other leg by 4 miles, find the length of each boundary of the... more
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09/24/20

Answer with process please
u^3+u / (u^4+2u^2+1)^5 duIntegrals 1, -1
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09/23/20

Find all solutions on interval [0, 2pi) : sin(3 tithea + pi/6) = 1
Find all solutions on interval [0, 2∏) : sin(3φ+∏/6) = 1
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09/22/20

The coordinates of the point 3/5 of the way from A to B are _. the points are (-4,-5) and (12,4)
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09/16/20

Find the difference quotient and simplify answer.
F(x)=5x-x2Find the difference quotient and simplify answer.
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09/15/20

Derivative of the function
, y'=?
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09/13/20

A window is made up from a semicircle of radius r and a rectangle of height l. The perimeter of the window is 3.5m. What is the value of r which maximises the surface area of the window?
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09/13/20

For the piecewise function 𝑝(𝑥) ={√𝑥 + 4, 𝑥 ≤ 5 find each of the following:
For the piecewise function 𝑝(𝑥) ={√𝑥 + 4, 𝑥 ≤ 5 find each of the following:{(x-5)^2, x>5a) 𝑝(−3) b) 𝑝(0) c) 𝑝(5) d) 𝑝(10)do all 3, show works please
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09/10/20

Let x^3 + y^3 = 65. Find y′′(x) at the point (4,1). y′′ (4) = ?
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09/10/20

Find the volume of a solid obtained by rotating the region enclosed by the graphs 𝑥=2−𝑦 and 𝑥=4−𝑦^2 about the 𝑦- axis.
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09/08/20

Write the inequality notation, set-builder notation, and interval notation of the image below
Image here: https://ibb.co/R9bm760
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09/06/20

use disk method to find the volume when the region is rotated around the x-axis
y=x^4, x=0, y=1. Find the volume using the disk method
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