Answer:
Proved
Step-by-step explanation:
Given
---- perimeter
Required
The perimeter is calculated as:
Where
the rectangle dimension
So, we have:
Divide by 2
Make y the subject
The area of the rectangle is:
Equate to 0:
Answer:
Assuming null hypothesis - that there is no difference in the cell phone bills between out of state and in state.
Step-by-step explanation:
Answer:
i believe its x+5
Step-by-step explanation:
you add 13 to both numbers
In this question, you're trying to find the unit rate in which the teacher can grade tests.
A unit rate is another word for "rate of change".
This means that we have to find how many tests the teacher could grade in 1 minute.
To find the unit rate, divide 18 by 15
18 ÷ 15 = 1.2
This means that Mr. Rivera can grade 1.2 tests in 1 minute.
Answer:
1.2 tests
