Write the following statements as mathematical implications:

(c) "it is necessary that positive numbers are > 7.

(d) to show a number is +, it is sufficient to show it is >10.

A group of 500 elders completed a test of cognitive functioning. the mean score was 85, the standard deviation was 5, and scores were normally distributed. approximately what percentage of the 500 scores fell between 80 and 90?

Which answer shows 0.05 written in scientific notation? 0.5x 10-1 5x10-2 5x10- 5x102

Phil has to put the greatest number of apples and oranges in each of box so each box have the same number of apples and oranges should Phil use the greatest common factor or or least common multiple to solve the problem

solve your formula from problem 14 for h. Then find the handyman's hourly rate if his fixed rate is $20 and he charges $200for a 4-hour job

Witch is greater 1 and 1/2 or 1 and 1/6

What is the slope of the line represented by the equation @ = - 42 Slope

The owner of two restaurants asked you to determine whether the variances of the number of customers differ in two locations You collect daily data about the total number of customers in both restaurants.

When you combine like terms from both sides, what is the result? (A) - 3 = 3x (B) 3 = 3x

What is 4/8 and 3/7 close to 0 1/2 or 1

Employees at an office were surveyed about what types of hot beverages they drank that day. It was found that 50% of them drank coffee and 25% drank tea. The survey showed that 10% of the employees drank both coffee and tea.