Answer:
21.7
Step-by-step explanation:
Take 151.9/ 7 and that is your answer. All you have to do is divide.
Given
Required
Find x such that:
This gives:
Collect like terms
Expand
Factorize
Factor out x - 1
Solve:
1) no; 202 + 212 ≠ 282
2) yes; 142 + 482 = 502
3) 2
4)18.0
hope this helped
Diego is correct they have to be similar