7 Unit 1: lesson 2 Quiz 2 of 52 of 5 Items
Question
Select all of the TRUE statements about the unit rates.

The ratio 5 : has a unit rate of 35.
The ratio 5 :, , , , has a unit rate of 35.

The ratio to has a unit rate of .
The ratio , , , to , , , has a unit rate of , , , .

The ratio to has a unit rate of .
The ratio , , , , to , , , has a unit rate of , , , .

The ratio : has a unit rate of .

1- is the product of two rational numbers irrational or rational? first, make a hypothesis by multiplying two rational numbers. then, use variables such as x=a/b and y=c/d and the closure property of integers to prove your hypothesis. 2- what do you think the product of a nonzero rational number and an irrational number is? is it rational or irrational? make use of variables, the closure property of integers, and possibly a proof by contradiction to prove your hypothesis. 3- why do we have to specify that the rational number must be nonzero when we determine what the product of a nonzero rational number and an irrational number is? if the rational number were 0, would it give us the same result we found in part b?

Which inequality is equivalent to -3x < -12? x < 4 , x < -4 , x > 4, x > -4

In priyas math class there are 10 boys and 15 girls. what is the ratio of boys to girls in priyas math class? express your answer as a decimal