2cos2x+sinx-1=0 The solution set is _

2cos2x+sinx-1=0 The solution set is _

what is the solution set? -8x-18<-42

i need some help please

The Warlbler House Inn offers two plans for wedding parties. Under plan A, the inn charges $30 for each person in attendance. Under plan B, the inn charges $1900 plus $14 for each person in excess...

Conplete the following equation so that the answer is "no solution" 20x - 16 = 20x

Solution sets

a rectangular floor can be covered completely with tiles that each measure one square foot. the length of the floor is 1 foot longer than the width and the area is less than 56 square feet. what are...

Solve (x^2-9) ≤0 and write interval notation for the solution set. Show careful algebraic work/explanation. x

I need some help on completing a square to solve a Quadratic Equations. Please explain every step in detail. Examples f2-12f-216=0 a2-18a+36=0

How do I find the solution set: for f(x)<0 and the solution set: f(x)greater than or equal to (symbol) 0 using a graph???