447 Answered Questions for the topic Precalculus Homework

09/18/17

#### What is the radius of the inner rim of the wheel?

The inner of the cart wheel has a circumference of 1.7 meters. I need to know the radius.

09/18/17

#### each spoke of a wheel is 1 meter long what is the diameter of the centre circular hub?

I need to know the diameter of the center circular hub of the wheel. And each of the spokes that goes form the hub to the inner rim of the wheel is one meter long.

09/18/17

#### Find an nth degree polynomial function with real coefficients satisfying the given conditions.

n = 3   -4 and 5 + 5i are zeros   f(-1) = 183   Answer  f(x) = (answer goes here) (Type an expression using x as the variable. Simplify your answer.)

09/15/17

#### A merchant has 5 pounds of mixed nuts that costs $30 he wants to add peanuts that cost$1.50 per pound and cashews that cost 4.50 per pound to obtain 50 pounds

of a mixture that costs 2.90 per pound. How many pounds peanuts are needed?

09/05/17

#### Could you ever factor this or is this the final answer? Rational expressions.

I got to the final answer of... -48x^4 - 42x^3 - 15x^2 -5x / (8x+7)(3x+1)

07/29/17

#### find the sum 8+6+4+(8/3)+...

Is this even possible? I cannot find a correlation from a1 to a2 to a3.... so on. It's not Arithmetic or Geometric

07/19/17

#### Find just one zero

f(x)=x3-10x2+8x+3    Find just one of the zeros of F    Where does f have a relative maximum    what is the relative maximum value

07/19/17

#### Given the polynomial p(x) = 2x^4+x^3+10x^2-31x-18

Given the polynomial p   p(x)= 2x4 + x3 + 10x2 - 31x -18    a. using the rational root theorem list all possible rational roots of P. b. completely factor the polynomial over the set of... more

07/19/17

Roger has the graph of F(x) = −4x 2 but needs to sketch the graph of G(x) =(x+3)^2+2/3 Describe how Roger can use the graph of F(x) to sketch the graph of G(x)

07/18/17

#### A function f with real coefficients has the following characteristics

A function f with real coefficients has the following characteristics   degree f= 4 f has a y-intercept of 52  x-2 is a factor of f -4/3 and 2-3i are both zeros of f    Find f(x) and write... more

07/10/17

#### We are having a pumpkin carving contest and we are going to give 1st, 2nd, 3rd and 4th place prizes.

We are having a pumpkin carving contest and we are going to give 1st, 2nd, 3rd and 4th place prizes. There are 9 contestants, in how many ways can the prizes be awarded?

06/24/17

#### Algebra II HW Questions (Please show step by step and explain)

4. Graph the area bounded by  y< 1/2x+6, X+3y>=12,  X>=0 and x<=12   part i. graph the bounded by X>=0 and x<=12. shade the region that satisfies both inequalites    part ii.... more

06/21/17

#### To the nearest foot, the lampost is how many feet tall?

the light from a lamp casts a shadow of a man standing 10 feet away from the lampost. The shadow is 5 feet long. The angle of elevation from the tip of the shadow to the lamp is 50 degrees.

06/16/17

#### Find exact solutions

find exact solutions on the interval 0≤θ≥2Π. 4cos2θ + 4cosθ - 3 =0

05/31/17

#### A small swimming pool can be filled by two hoses together in 1 hr and 12 mins. The larger hose alone fills the pool in 1 hr less than the smaller hose.

How long does it take the smaller hose to fill the pool?

05/28/17

#### Solve equation and check answer: r+11=6 square root r+3

Basic Concepts and skills

05/28/17

#### solve equation by multiplying both sides by the LCD. 1/x +2/x+1 +3/x+2=0

Basic concepts and skills

05/28/17

#### Find the real solutions of the equation by factoring: x^3-36x=16(x-6)

Basic Concepts and skills

05/22/17

#### Find an integer such that the sum of twice the square of the integer and the integer itself is 55.

Finding the integers

05/22/17

#### The diagonal of a square tile is 4 inches longer than its side. Find the length of the side.

Applying the concept- Dimensions

05/22/17

#### The price of gas increased by 20% from July to August, while your consumption of gas decreased by 20% from July to August. What is the percentage change in gas?

a. No change b. 5% decrease c. 4% increase  d. 4% decrease

05/22/17

#### The sum of three consecutive even integers is 42. Find the integers.

Numbers- applying the concept

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