Joseph B.

A body with an initial velocity of zero falls vertically from a height of h = 19.6 m. How long it takes for the body to go: 1) its paths first 1 m; 2) its paths last 1 m? Ignoring air resistance.... more

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Math Geometry Statistics

11/22/19

A single card is drawn from a standard deck. Find the probability of the following event. Drawing a queen or a face card

Addition and complement rule studying

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Calculus Derivative

11/22/19

Use the Second Derivative to determine if y=arcsec(6x^2) is concaved up, concaved down, or has no concavity at x=4.

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Precalculus

11/22/19

What was the percentage increase rate?

According to the US Bureau of the Census, the world population in 1950 was 2,555,360,972. In 2003 it was 6,302,486,693. Based on these figures, assuming that the population increased by the same... more

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Algebra 1

11/21/19

The product of a number and four increases by 16 is -2

The product of a number and four increases by 16 is -2Algebra

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Physics

11/21/19

Momentum problems

1.Bobby has a mass of 55 kg and he runs down the length of a football field at 3.8 m/s in an effort to catch the football being passed to him. What is his momentum?2.A car is driving on highway 78... more

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Math Geometry

11/19/19

If x = 9 units, y = 7 units, and h = 6 units, then what is the area of the parallelogram shown above?

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Math Precalculus Pre Calculus

11/14/19

Precalc Question

Suppose you have a function y = f(x) such that the domain of f(x) is 1 ≤ x ≤ 6 and the range of f(x) is −3 ≤ y ≤ 5.(a) What is the domain of f(2(x − 3)) ?(b) What is the range of f(2(x − 3)) ?(c)... more

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Physics

11/11/19

the following forces are applied to an object f1 = 15 N [up], f2 = 10 N [right], f3 = 20 N [down]. Calculate the magnitude and direction of the net force.

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Physics

11/01/19

Physics energy questions

1.A person runs up 55 stairs of height 0.22 m. The person weighs 80 N. How much energy does it take for the person to reach the top of the stairs?2.A block is push up a friction-less incline plane... more

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Algebra 2

10/29/19

How to solve this problem

The pizza shop sells pizzas that are 10 inches (in diameter) or larger. A 10 inch cheese pizza cost $8. Each additional inch costs $1.50 and each additional topping costs $0.75. write an equation... more

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Algebra 2

10/22/19

rosa rides on the bus for 24 minutes and then walks for 12 minutes in order to get to work if the bus travels at 40mph and rosa walks at 6mph then how far does rosa live from.work

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Algebra 2

10/22/19

Find the equation of the line that is parallel to 5x – 2y = -12 and passes through (-2, 3)

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Precalculus

10/18/19

Find an equation of the line that passes through the point (2, 4) and is perpendicular to the line 8x + 7y − 4 = 0.

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Algebra 1

06/26/19

What is the slope of the line that contains the points (7,-1) and (-2,-4)?

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Precalculus

03/26/19

How do rotated conic sections in Ax2+Cy2+Dx+Ey+F=0Ax2+Cy2+Dx+Ey+F=0 work?

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Calculus

03/09/19

Find the line of intersection of planes

a) Find the line k of the intersection of planes:3x-5y+4z=63x-3y+2z=4b) Find equation of line L through P(-7,4,1), parallel to k.

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Trigonometry

03/01/19

Trigonometric word problems

The angle of elevation of the top of a fire tower from point A on the ground is 19.9 degrees. From point B, 50 feet closer to the tower, the angle of elevation is 21.8 degrees. What is the height... more

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