10 times 1/2

Q: What are the blanks?

A: (a)It is given that the exponential decay for the contaminated site is given by P = 200 × 0.83m wher...

Q: In how many ways can six pictures be selected from a group of ten different pictures?

A: It is given that 6 different pictures are to be selected from a group of 10 pictures, therefore,

Q: A man invested $14,000, some of it at 7% and some at 10% annual interest. The annual income from the...

A: Let he invested $ x in 7%. so he must invest $ (14000-x) in 10%

Q: What lump sum do parents need to deposit in an account earning 5%, compounded monthly, so that it wi...

A: The compound interest formula is

Q: Use the properties of exponents to simplify. Your answer should only contain positive exponents. Sho...

A: The given exponential expression is

Q: Solve the system by substitution  {-3x+4y=5 {4x-8y=-4

A: From -3x+4y=5 we solve for y. 

Q: Solve the system by the elimination method -2x-3y=1 3x+6y=0

A: The given system of equations is,

Q: Assume an average human heart beats 65 times per minute and an average human lifetime is 80 years. H...

A: Average life span of human being is 80 years.The rate of heartbeat is 65 beats per minute.

Q: Graph the solution set for the of linear inequalities  x+y<3 y>x y>-1

A: To identify the region consisting of the set of points (x,y) in the plane satisfying all the  three ...