Mark J.

Math Calculus Precalculus

10/08/19

Differentiate the given function.

Differentiate the given function. y= x^2/(4x^2+5)^3

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Math

10/07/19

Math Help Growth Model

In 2016 the United States had a population of about 323 million people and was growing at 0.7 %. Use an explicit exponential model to predict what year the U.S. population will reach 400 million... more

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Math Math Physics

10/07/19

PHYSICS HELP - A ball is thrown upward from the ground with

A ball is thrown upward from the ground with an initial speed of 23.6 m/s; at the same instant, another ball is dropped from a building 18 m high. After how long will the balls be at the same... more

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Calculus

10/07/19

find dy/dx by implicit differentiation

cos(xy) = 1/(x+y)

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Physics

10/07/19

Two classmates are seated next to each other, 2m apart.

Two classmates are seated next to each other, 2m apart. They each have a mass of about 80kg. Set up a calculation which would tell you how much gravitational force each exerted on the other (you... more

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Physics

10/07/19

What units are used in conjunction with the quantity called "work"

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Physics

10/07/19

If a 1,200kg car has a momentum of 22,000 kg m/s, how fast is it going?

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Mathematics

10/07/19

Isabel runs 7 miles in 80 minutes. At the same rate, how many miles would she run in 64 minutes?

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Math Algebra 2

10/06/19

linear and nonlinear inequalities

wrote an equation in slope intercept form for the line that passes through (0,1) and is perpendicular to the line whos equation is y=2x

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Physics

10/06/19

At what angle should you throw the second snowball to make it hit the same point as the first?

One strategy in a snowball fight is to throw a snowball at a high angle over level ground. While your opponent is watching this first snowball, you throw a second snowball at a low angle and time... more

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Mathematics

10/06/19

What is a polynomial function in standard form with zeros 1,2,-2,-3

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Differential Equations

10/04/19

Splitting the rent in half with one roommate paying $50.00 more

Rent is $1525.00 with two roommates one roommate paying $50.00 more because they have the bigger bedroom what is the rent for each roommate

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Mathematics

10/04/19

mathematics math

A sofa regularly sells for $ 450$450. The sale price is $ 409.50$409.50. Find the percent decrease of the sale price from the regular price.

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Calculus

10/04/19

find d^2y/dx^2 in terms of x and y

sin2(y) + cos2(x) = 1

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Algebra 1

10/04/19

Melissa has two chickens.

Melissa has two chickens. Chicken A produces 3 eggs every 2 days. Chicken B produces 5 eggs every 3 days. In each case the number of eggs produced is proportional to the number of days. What is the... more

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Calculus Implicit Differentiation Related Rates

10/04/19