Solution of trigonometric equation

4cos²2x-3=0. what is quantity of x

7/12 is about 0, 1, or1/2

The cost of an oil change is $21.95. The markup rate is 65%. What is the selling price?

You need to solve a system of equations. You decide to use the elimination method. Which of these is not allowed? equation one: 2x - 3y = 12 equation two: - x + 2y = 13 A. Multiply equation 1 by 2 and equation two by 3. Then add the new equations. B.

4*1+5 * (1/10) + 7 * (1/100) + 9 * (1/1000) in standard form

2 (x+3) = 9+2x sole then determine if is an identity, conditional equation, or inconsistent equation

Who's awake I'm scared rn lol

In an experiment, the purpose of randomizaton is to: a. equalize treatment groups. b. match for common characteristics of two variables. c. reduce variability by repeating the experiment on many subjects. d. equalize blocks in a block design. e.

Tony is a medical sales representative. His company has set a goal for him to sell 4,200 bottles of a new medicine in 3 months. If his sales are consistent from month to month, how many bottles does he have to sell each month to meet his goal?

The sum of 333 consecutive odd numbers is 183183183. what is the second number in this sequence?

Serena created a scale model of a bank check to present to charity. The model created at a scale of 8:1 and is 4 feet long. What is the length of the original check?