Simplify (√2+1)² + (√2-1)²
1 answer:
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- Evaluate the expression when c = 21 and d = 4, c - 5d = ?
Given,
- c = 21
- d = 4
- c - 5d = ?
Let's solve it now :-
- The value of the expression is <em><u>1</u></em><em><u>.</u></em>
Answer:
blocks
Step-by-step explanation:
If it takes 15 minutes to walk 7 1/2 blocks, it should be 15:17
The left side is minutes and the right side is the number of blocks
15:17
1: ? Since we are figuring out how many blocks he can walk in a minute, the left side is 1 and the right side is a question mark because we have not figured it out yet.
15: 17 Divide by 15 on both sides because that is the "distance" from 15 to1
1 : ?
1:
So the answer is