how to slove this .. !! please cos(x)cos(2x)cos(4x)cos(8x)= sin(16x)/sin(x)

cos(x)cos(2x)cos(4x)cos(8x)= sin(16x)/sin(x) PLEASE URGENT GUYS!

02/15/15

Functions of f and g

if f(x)= 4x-1 and g(x)= x+1/4 (a) What are f(g(x)) and g(f(x))? (b) Are f(x) and g(x) inverse functions?

How do you expand the logarithm log(base 8) 8 (radical 3a5) ?

I don't know what to do with the 8bin front of the radical 

02/15/15

Let F(x) = -x^2+2x-3

Three Part Question: ( A )Find the average rate of change of the graph of f(x) between x=c and c+h. ( B )Find the slope of the tangent line of the graph of f(x) at x=c by the definition. ( C... more

What is the possible discriminant of the graph?

a parabola opening up one x intercept near negative 6   Choose one answer. A. -17   B. zero   C. 12   D. 49

02/15/15

If 3 ± 2i are solutions to x2 + bx + c = 0, where b and c are real numbers, what is the value of b?

math practice problem, please help!

02/14/15

The product of 3 consecutive integers is -1716. What is the greatest of the 3 integers.

Please show it in an equation and explain a little more when and how synthetic division is used in that equation.

02/14/15

Factorials

How do I solve this problem and put it through my T1 84+ calculator? 25!/(25-10)! 10! i'm very confused on the order of putting everything in and I'm not getting the answers right

02/14/15

Factorials !

How do I input a factorial into my T1 84+ calculator? For example the problem is 26!/(26-10)! 10!   I cannot seem to find the factorial button or how to solve this problem

02/14/15

help me solvea area problem

cynthia besch wants to buy a rug for a room that is 28ft wide and 29 ft long. she wants to leave a uniform strip of floor around the rug she can afford to buy 702 square feet of carpeting. what... more

I=nE/nr+e for n

solve the formula for the n

02/14/15

dollars and half-dollars totals 90.50. If the number of half dollars is 20 more than 5 times the number of dollars. What is the number of dollars in the jar?

A Jar of dollars and half-dollars totals 90.50. If the number of half dollars is 20 more than 5 times the number of dollars. What is the number of dollars in the jar?

consider the equations f(x)=-6x-1 and g(x)=4x^2 select the solution for (fg)(x)

a)-6-1+4x^2 b)-24x^3-4x^2 c)-24x^2-1 d)-24x^5

Trista has a total of 160 CDs from both Classic Rock and Hip-Hop genres. The number of Classic Rock CDs is 8 more than three times the number of Hip-Hop CDs. Wh

Trista has a total of 160 CDs from both Classic Rock and Hip-Hop genres. The number of Classic Rock CDs is 8 more than three times the number of Hip-Hop CDs. Which system of equations can be used... more

02/13/15

How much of the solution should be drained and replaced with bleach to increase the bleach content to the recommended level?

A health clinic uses a solution of bleach to sterilize petri dishes in which cultures are grown. The sterilization tank contains 90 gal of a solution of 4% ordinary household bleach mixed with pure... more

02/13/15

How long it takes to catch a faster jogger

a jogger who can run a 10 minute mile starts a half-mile ahead of a jogger who can run an 8 minute mile. How long will it take the faster jogger to catch the slower jogger?

02/13/15

How do I simplify this: f(x)=log(e) [(x+1) v(x-1)] and find derivative

How do I simplify this: f(x)=log(e) [(x+1) √(x-1)] and find derivative  Please show step by step solution Thanks!

02/12/15

Finding break-even point with information given in problem

A division of the Gibson Corporation manufactures bicycle pumps. Each pump sells for $9, and the variable cost of producing each unit is 20% of the selling price. The monthly fixed costs incurred... more

02/12/15

Finding break-even quantity and break-even revenue in terms of constants given

Suppose the cost function associated with a product is C(x) = cx + F dollars and the revenue function is R(x) = sx, where c denotes the unit cost of production, s the unit selling price, F the... more

write an absolute value inequality for 35 degrees C with the temperature able to vary as much as 1%

For your chemistry experiment, you are trying to keep the water temperature at 35°C. For the experiment to work properly, the actual temperature can vary as much as 1%. Write and solve an absolute... more

02/12/15

the area of a rectangle is (6x^2+11x+5)cm^2. the width is (x+1)cm. what is the length of the rectangle

 the area of a rectangle is (6x^2+11x+5)cm^2. the width is (x+1)cm. what is the length of the rectangle

PLease answer my question below

the admission at a concert was $9.00 for adults and $4.00 for children if the total gate receipts were $775 and there were 125 people in attendance how many adult and childrens tickets were sold

02/12/15

Identify the solutions of the system of equations if any -3x-4y=2 8y=-6x-4

a. infinately many solutions b.(-16/9,5/6) c.(-2/3,0) D. NO SOLUTION   UP ABOVE IS NOT NEGATIVE IT IS 16-9 BUT 16/9

Simplify the radical expression

Simplify the radical expression. All variables represent positive real numbers.   fourth-root 162(x^12)(y^4)

trigonometric function

Find s if sec s =1.796 Assume that s terminates in [0,π/2].   Round the answer to four decimal places.

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