10/22/20

Use a straightedge and compass to construct an angle bisector for . ∠Q

In , ∠Q name the bisected angles 1 and 2.If m 1∠ is 4x + 3y, can m∠Q bedetermined in terms of x and y? If so,state m∠Q in terms of x and y andexplain your reasoning. If not, explainwhy not.hope... more
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10/22/20

The point P(1, 1/9) lies on the curve y = x/(8 + x). If Q is the point (x, x/(8 + x)), use a scientific calculator to find the slope of the secant line PQ

The point P(1, 1/9) lies on the curve y = x/(8 + x). If Q is the point (x, x/(8 + x)), use a scientific calculator to find the slope of the secant line PQ (correct to six decimal places) for the... more
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10/20/20

First derivative test and curve sketch analysis
y= (x-5)/(x^2)sketch the curve using a first derivative test, second derivative test, and a curve sketch analysis.I thought I had found that the critical values from finding the derivative and... more
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10/16/20

Locate the critical points of the given function
Do the following:a) Locate the critical points of the given functionf(x)=x^2/3 (x-4)b) Use the first derivative test to locate the local maximum and minimum valuesc) Identify the absolute minimum... more
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10/13/20

Rational Exponents
Based on what I have told you √a2 b4=ab2, but I have made a mistake. Find a counterexample where this is not true. How do you propose we fix the mistake?
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10/13/20

pre-calc question
The count in a bacteria culture was 500 after 15 minutes and 1700 after 40 minutes. Assuming the count grows exponentially, answer each of the following. Round populations to the nearest whole... more
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10/13/20

Find an equation of the tangent line at the given point.
(a) xy+x^2y^2 =5, (2,1).and(b) x^2e^y +ye^x =4, (2,0).can someone help me solve these problems by showing the work. I am having trouble understanding. thank you in advance.
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10/13/20

Find derivative of...
A. Suppose[g(x)^]2 + 12x = x^2 g(x) and g(4) = 12. Find g'(4). If y = 2x^3 + 5x and dx/dt = 3, find dy/dt when x = 1.
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10/12/20

Find where increasing and decreasing

For f(θ)=sinθcosθ+cosθfor0≤θ≤2πFind where f (θ) is increasing and decreasing, and where it has local max and min values.
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10/12/20

A baseball diamond is a square with side 90 ft. A batter hits the ball and runs toward first base with a speed of 25 ft/s.
A baseball diamond is a square with side 90 ft. A batter hits the ball and runs toward first base with a speed of 25 ft/s.(a) At what rate is his distance from second base decreasing when he is... more
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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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10/02/20

Find the centroid of the region bounded by the curves y = 1 and y = x^2.
I haven't been able to get this one started as well. Thanks for any help you can give me
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10/02/20

A bacteria culture starts with 2000 bacteria and the population doubles after 2 hrs. If we express the number of bacteria after t hours as y(t)=a(e^kt) find a and k
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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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09/29/20

evaluate the integral using trigonometric substitution
∫(dz)/(z^3√((z^2)-16))
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