12.75
PROOF:
find all the m's first
3m+3m+m+m=8m
8m=102
Divide both sides, and you get
12.75
The Pythagorean theorem applies to the sides of this right triangle.
... x² + (4/7)² = (5/7)²
... x² = 25/49 -16/49
... x = √(9/49)
... x = 3/7
The unknown side has length 3/7.
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You might recognize that this is a 3-4-5 right triangle with a scale factor of 1/7.
Answer: the Answer of this question is 130
Step-by-step explanation:
Answer: I think so A because it being multiple by 10 and u can get 6
Step-by-step explanation:
