Paul M.

Math Algebra 2

04/08/20

A river flows at 2 km per hour. Jakob and his friend row 16 kilometers upstream and 16 kilometers downstream to return. This trip takes them 6 hours.

On average, in kilometers per hour, how fast are they rowing?

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Math Calculus Series

04/08/20

Determine if the series is absolutely convergent, conditionally convergent, or divergent.sum of n=1 to infinity of (n+2)/sqrt (n^5-n+1)

NEED ASAP!! please provide step by step solution and answers. Thank you.

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Math Calculus Series

04/08/20

determine whether the series is absolutely convergent, conditionally convergent or divergent. If it converges, estimate the remainder r10.

sum of {n=1} to infinity of (-1)^n ((n^2)/sqrt(n^5+n+1))NEED ASAP!! please provide step by step solution and answers. Thank you!

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Algebra 1

04/08/20

Enter the slope-intercept of the line that has the same slope as y-3=1/2(x+3) and contains the point (8,4). Complete the explanation of how you found the equation.

y=____; I used the general form of a line in slope-intercept form, or y-y1=m(x-x1), y=mx+b, ax+by=c (choose 1 of the 3). The slope, m, is____. Then I substituted _____ for x and _____ for y into... more

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Geometry

04/07/20

distance between points (2,-1) and (9,-9)

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Geometry Trigonometry

04/07/20

I need help with the diagram and what each part is and angle of depression versus elevation

You find yourself on top of a building and you begin to wonder how high up you are. Noticing that you have a clear view of the top and bottom of the James Monroe building , and remembering that you... more

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Algebra 1 Algebra 2 Precalculus

04/07/20

Finding and verifying an inverse

Find the inverse of f(x) and then verify your result using (𝑓 ° 𝑓^−1)(𝑥) = 𝑥 and (𝑓^−1 ° 𝑓)(𝑥) = 𝑥. F(x)=1/x-3

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Calculus

04/07/20

calc. antiderivative question

Consider the function f(x)=x^4+7(x^1/2) Let F(x) be the antiderivative of f(x) with F(1)=-6

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Pre Calculus

04/07/20

find an equation of a rational function f that satisfies the given conditions vertical asymptotes: x= -6, x=2. horizontal asymptotes: y=0. x-intercept: -1; f(0)= -2. hole at x=4

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Math Calculus Integral Calculus

04/07/20

hello i need help figuring out this question

A rapid transit trolley moves with a constant acceleration and covers the distance between two points 300 feet apart in 8 seconds. Its velocity as it passes the second point is 50 feet... more

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Math Calculus Integration

04/07/20

hi i need assistance with this question

Find the volume of the solid that results when the area of the region enclosed by y 2 = 4x, x = 4, and y = 0 is revolved about the y axis.

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Calculus Differentiation

04/07/20

Hi i need help solving the following

A line is drawn through the point P(3, 4) so that it intersects the y‐axis at A(0, y) and the x‐axis at B(x, 0). Find the smallest area of triangle formed if x and y are positive.

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Calculus

04/05/20

Lenght/Width problem

Sally must decorate the perimeter of two tables. One is square, and the other is rectangular with length three times the width. She has 70 feet of trim. What dimensions should thetables be to... more

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Calculus

04/04/20

Calculating speed of an airplane

An airplane is flying at an altitude of 6 miles passes directly over a radar antenna. When the airplane is 10 miles away (s=10), the radar detects that the distance s is changing at a rate of 260... more

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Geometry

04/04/20

Trigonometry question

You are looking at the top of a tree. The angle of elevation is 66°. The distance from the top of the tree to your position is 108 feet. If you are 5.75 feet tall, how tall is the tree? (Round to... more

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Calculus

04/04/20

Find y if dy/dt=8y and y=1 when t=1

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Calculus

04/04/20

solve the equation. Let f'=-3f if f(0)=2

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Algebra 2

04/03/20

Is Josephine accurate?

Josephine has started completing the square on the equation 3x2 + 7x - 12 = 0. She has worked to the point where she has the expression x2 + x = 4. Use complete sentences to describe Josephine’s... more

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Trigonometry

04/03/20

Given that tan(x) = sin(x)/cos(x) Find cot(x) =

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Calculus

04/03/20

Find the Cartesian equation of the line tangent to r = sin(theta) at theta= -pi/3.

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Math Algebra 1 Algebra 2

04/02/20

Rational Equations

Two groups of friends are taking taxis to a party in Greenville. The first taxi leaves from the financial district and travels at 45 km/h. At the same time, the other taxi leaves from the marina... more

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