 3,293 Answered Questions for the topic College Algebra

College Algebra Math Algebra

24d

#### Help please i cant figure this out

The height of a projectile launched upward at a speed of 20 meters/second from a height of 225 meters is given by the function h(t)=-5sup(t,2)+20t+225. How long will it take the projectile to hit... more
College Algebra

24d

#### college algebra

The length of a rectangle is 7 inches more than its width. The area of the rectangle is equal to 2 inches more than 2 times the perimeter. Find the length and width of the rectangle.
College Algebra Math Science

24d

#### What is the size of the force when it is at each of the following distances from Earth's center?

A space probe is launched from Earth headed for deep space. At a distance of 10,000 miles from Earth's center, the gravitational force on it is 457 lb. What is the size of the force when it is at... more
College Algebra Math Science

24d

#### What is it in g's?

A race car rounds a curve at 53 m/s. The radius of the curve is 405 m, and the car's mass is 670 kg. (Assume the car's speed remains constant. Take the radially inward direction to be positive.... more
College Algebra Math Science

25d

#### What speed limit should be posted for the curve so that cars can negotiate it safely?

On a highway curve with radius 44 m, the maximum force of static friction (centripetal force) that can act on a 1,373-kg car going around the curve is 8,127 N. What speed limit should be posted for... more
College Algebra Math Science

25d

#### How large is the force that the catapult must exert on the jet?

On aircraft carriers, catapults are used to accelerate jet aircraft to flight speeds in a short distance. One such catapult takes a 17,600-kg jet from 0 to 68 m/s in 2.6 s. (Assume the catapult... more
College Algebra Math Science

25d

#### What is the acceleration of the jet in g's?

On aircraft carriers, catapults are used to accelerate jet aircraft to flight speeds in a short distance. One such catapult takes a 17,600-kg jet from 0 to 68 m/s in 2.6 s. (Assume the catapult... more
College Algebra Math Science

25d

#### What does the scale read?

A person stands on a scale inside an elevator at rest (see the figure below). The scale reads W = 752 N.What is the person's mass?The elevator accelerates upward momentarily at the rate... more
College Algebra

25d

#### Percentage Help

How many liters of a 35% acid solution and a 70% acid solution must be used to produce 70 liters of a 60% acid solution?
College Algebra Algebra 1 Geometry

26d

#### Write an equation for a rational function with vertical asymptote at x=-1 and x=2 x inter at x=-3 and x=-6 horizontal asymptote at y=3

Write an equation for a rational function withvertical asymptote at x=-1 and x=2x inter at x=-3 and x=-6horizontal asymptote at y=3
College Algebra Math Science

26d

#### What is the object's mass?

In an experiment performed in a space station, a force of 51 N causes an object to have an acceleration equal to 6 m/s2. What is the object's mass?
College Algebra Algebra

28d

#### Exponential Application

A scientist is measuring a material that she thinks may be radioactive. She begins with 300 grams, and measures that after 4 hours, she has 240 grams remaining.a) Find an exponential model of the... more
College Algebra

29d

29d

#### Find the equation

Find the equation for f^-1(x) given f(x)=3x-2 OVER 4x-5
College Algebra Algebra

29d

#### Composition of two functions

Suppose that the functions u and w are defined as followsu(x)=--x+2w(x)=x^2+1Find the following(w o u) (5) =(u o w) (5) =
College Algebra Computer Science Math Help

29d

#### SUMMATION AND SERIES EXPANSION QUESTION NEED HELP

What are the first four terms of this sequence, beginning with n = 0An = (-1)n (n+1)!
College Algebra Math Calculus

29d

#### A rectangle is inscribed with its base on the x-axis and its upper corners on the parabola y=27-x^2

A rectangle is inscribed with its base on the x-axis and its upper corners on the parabola     .a) What are the dimensions of such a rectangle with the greatest possible area?width =... more

10/31/20

#### Promissory note question

Raindrop Inc owes a past due bill to Jax Corp. On August 8, Jax agrees to accept a \$5000, 8%, 120-day note as payment from Raindrop. On October 11, Jax discounts the note at Park Bank at 9%. Find... more
College Algebra

10/31/20

#### how do i write this in standard form?

y=a(x-h)^2+ky=-5x^2+30x-28
College Algebra Math Science

10/30/20

#### What is the car's (centripetal) acceleration?

A race car rounds a curve at 53 m/s. The radius of the curve is 405 m, and the car's mass is 670 kg. (Assume the car's speed remains constant. Take the radially inward direction to be... more
College Algebra Math Physics

10/30/20

#### Find its average speed.

A passenger jet flies from one airport to another 1,233 miles away in 2.2 h. Find its average speed.m/s

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