Help please! I have no idea how to do this
1 answer:
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Part 1:
The length of a side is 9 cm.
The square root of 81 is 9. We have to find the square root bc we know it is a square.
Part 2:
The hypotenuse (or diagonal) is c.
Using the Pythagorean Theorem
you would know that 9 is a and b.
We know that
so you add 81 to 81.
81 and 81 make 162.
So you know ...
You take the square root of 162.
well almost.
You can write your answer as
or
Hope I helped!
The length of a side is 9 cm.
The square root of 81 is 9. We have to find the square root bc we know it is a square.
Part 2:
The hypotenuse (or diagonal) is c.
Using the Pythagorean Theorem
you would know that 9 is a and b.
We know that
so you add 81 to 81.
81 and 81 make 162.
So you know ...
You take the square root of 162.
well almost.
You can write your answer as
or
Hope I helped!
Answer:
Step-by-step explanation:
Given
Represent the temperature in Tucson with T and that in Minneapolis with M.
From the first statement, we have:
From the second, we have:
or
--- i.e. both are opposite numbers
Required
Find T
To calculate T, substitute -T for M in
This gives:
Collect Like Terms
Make T the subject
Hence, the temperature in Tucson is