12/08/14

Function Sketching

Sketch one period of the function given, State what the amplitude, phase, shift, period, and vertical translation are. Plot the five points.  y= -cos(2x-pi).   Please tell me step by step and... more

12/08/14

If sin a = - 4 5 and sec ß = 5 3 for a third-quadrant angle a and a first-quadrant angle ß, find the following.

If  sin α = −  4 5  and sec β =  5 3  for a third-quadrant angle α and a first-quadrant angle β, find the following.   *Please give correct answer so i can be able to check it with my... more

12/08/14

If a and ß are acute angles such that cos a = 15 17 and tan ß = 4 3 , find the following.

If α and β are acute angles such that  cos α =  15 17  and tan β =  4 3 ,  find the following. *Please give correct answer so i can be able to check it with... more

Find the error bounds for the proportion in which p=0.3, n= 80, and 95% confidence level.

This comes from my Finite Math 154 class.   Proportions.

12/08/14

word problem

The speed of a stream is 2 mph. a boat travels 9 miles upstream in the same time it takes to travel 13 miles downstream. what is the speed of the boat in still water 

12/06/14

Business math <>

A loan of $50,000 at 7% is due in 16 months. Find the present value of the loan if the time value of money is 10%.

12/06/14

High School Math Help

The height of two different projectiles after they are launched are modeled by f(x) and g(x). The function f(x) is defined as f(x)=-16x2+42+12. The tables contain the value for the quadratic... more

12/05/14

Find the upper and lower bounds..

Applying the first theorem on bounds for real zeros of polynomials, determine the smallest and largest integers that are upper and lower bounds, respectively, for the real solutions of the... more

12/05/14

Business math word problem

Find the maturity value of a $32,000 loan that is made for 6 years at 12%. 

12/05/14

use the given information to find each value

A) cos 2t B) sin 2t C)cos (t/2) D)sin (t/2) Cos t =3/5, where 0 < t < pi/2 Sin t = -3/5,where pi < t < 3pi/2

Math help!

Write the equation of the ellipse, if the distance between the focal points is 8 and the point M(15,-1) belongs to the ellipse. 

12/05/14

Business math Word problem

A loan of $40,000 at 6% is due in 16 months. Find the present value of the loan if the time value of money is 10%. 

Write an algebraic expression for the area of the pool’s border. Identify all variables

Suppose you and your spouse have just put in a new 30’ by 35’ in-ground pool. While the pool itself was within budget, you and your spouse have a disagreement on how you want to border the four... more

12/03/14

Math final question

In a chemistry class, 9 liters of a 4% silver iodide solution must be mixed with a 10% solution to get a 6% solution. How many liters of the 10% solution are needed?

12/03/14

If bill gives away $4.95 to every person that revives the email in the first week how much would he have spent

In day two 80 people got the email

12/03/14

Find the revenue function R(p) for this hotel?

A local hotel rented 450 rooms two nights ago when they charged $75 for each room. The following night they rented 600 rooms when they lowered the price to $60 per room. Assuming that this rate of... more

12/03/14

Find the upper and lower bounds..

Applying the first theorem on bounds for real zeros of polynomials, determine the smallest and largest integers that are upper and lower bounds, respectively, for the real solutions of the... more

12/03/14

PRE CAL MATH HELP PLEASE

An investment of $5000 is deposited into an account in which interest is compounded monthly. Complete the table by filling in the amounts to which the investment grows at the indicated times.... more

Price Rising

In a country where inflation is a concern, prices have risen by 21 % over a 3-year period.   By what percent B do the prices rise each year? Find the first time t it takes for prices to rise by 4... more

12/01/14

Use fundamental identities to simplify the resulting expression.

Make the trigonometric substitution x = a sin θ for −π/2 < θ < π/2 and a > 0. Use fundamental identities to simplify the resulting expression.   √a2 − √x2       x2

11/30/14

determine the equation

Determine the equation of g(x) that results from translating the function f(x) = (x + 10)2 to the right 13 units. A. g(x) = (x - 3)2 B. g(x) = (x + 23)2 C. g(x) = (x + 10)2 - 13 D. g(x) = (x + 10)2... more

jameisha works at McDonald's after school Monday-Friday. she saved the money from her birthday that just passed, $50, and wants to save enough money to buy

herself a prom dress. McDonald's pays $8.00 an hour for all new employees. Write an equation in slope intercept form that will demonstrate how many hours jameisha needs to work.       A.what is... more

k/sigma/n=0 *n^2= k(k + 1)(2k + 1)/6 is correct for k = 1, 2, and 3. (Fact: the formula works for all positive integers k.)

k/sigma/n=0 *n^2= k(k + 1)(2k + 1)/6is correct for k = 1, 2, and 3.(Fact: the formula works for all positive integers k.)

probability question

1000 tickets are sold for a charity lottery at $5 each. Three numbers are drawn at random to receive 1st 2nd and 3rd place prizes of $2000, $1000, and $500 respectively. what is the mean... more

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