What to the power of 2 equals 9/16

4

3

As the power holds a negative, this means that we can put 1 over

9

16

, which is equal to

16

9

leaving us with;

(

16

9

)

1

2

The power of

1

2

is also another way of writing the square root;

=

√

16

9

From here you can find the square roots of 16 and 9, and giving you your final answer;

=

4

3

Step-by-step explanation:

(A)² = 9/16

A = 3/4 and -3/4

answer: a

step-by-step explanation:

if xy ~ yz therefore xy would be the same length as yz

answer: 7 x 2/5 = 2.8 hours, is your answer. your welcome! : 3

step-by-step explanation: first work out how long it took to hose 1/7 of the lawn which is 2/5 hours. times that by 7 to get the whole lawn.

sorry i don't know the other answer. i didn't learn what a proportional relationship is.