3,315 Answered Questions for the topic College Algebra

#### 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....
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#### 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...
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#### 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...
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#### 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...
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#### 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...
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College Algebra

30d

#### 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

30d

#### Every 4 weeks, a baby whale gains 110 pounds. This reflects a slope of ___ pounds per ___ week(s). Make sure your slope is a reduced fraction or an integer.

#### 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

#### 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 Math

11/04/20

#### Construct a polynomial function with the stated properties. Reduce all fractions to lowest terms. Third-degree, with zeros of 4−i, 4+i, and 5, and a leading coefficient of −5.

Can someone help me with this im really stuck!

College Algebra

11/03/20

#### R has degree 4 and zeros 5 − 2i and 4, with 4 a zero of multiplicity 2.

College Algebra Algebra

11/03/20

#### 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...
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College Algebra

11/02/20

#### what is a quadratic function h whose only zero is -8

College Algebra Algebra

11/01/20

#### 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) =

11/01/20

#### SUMMATION AND SERIES EXPANSION QUESTION NEED HELP

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

#### 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 =...
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College Algebra

11/01/20

#### Write an equation of the circle with center (8,-9) and radius 6.

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...
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#### 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

#### 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

College Algebra

10/30/20

#### $20,000 is invested at 5% interest compounded monthly. How long will it take for the investment to double?

Use the formula A=Pe^nt

#### What is the ball's centripetal acceleration?

A child attaches a rubber ball to a string and whirls it around in a circle overhead. If the string is 0.2 m long and the ball's speed is 16 m/s, what is the ball's centripetal acceleration?

#### What is the slope?

A car is going 16 m/s for 15 s.What is the slope?

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