If cosX = 1/5 and angle x is a positive acute angle, find the value of cos (X/2)

One pound of grapes costs $1.55. Which equation correctly shows a pair of equivalent ratios that can be used to find the cost of 3.5 pounds of grapes?

How do you answer 4 (8a+5) = 4a-6 (a+8)

The larger of two numbers is seven less than three times the smaller number. If the sum of the numbers is 61, find the numbers

A jury pool consists of 50 potential jurors in how many ways can a jury of 12 be selected

The figure shows a plane slicing through a cone

Complete Jesse's new hand to make this total score equal 0 what must be the value of the blank card 4 - 6 and blank

If 1/3 of flour is used to make 5 dinner rolls how many rolls can you make with 5 and 2/3 cups of flour?

What is the value of 7 (10 - 16) + 8 : 2?

A 100-gallon fish tank fills at a rate of x gallons per minute. The function is f (x) = 100/x. If the tank has been filling for 20 minutes, the total time to fill the tank is represented by the function f (x) = 100/x + 20.

Find the circumference and area of a circle with a diameter of 26 meters. Leave your answers in terms of it