Solve the system of linear equations 2x + 3y =16.9
5x =y + 7.4
1 answer:
Answer:
y = 23.4
Step-by-step explanation:
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<h3>
Answer: Choice E</h3>
Work Shown:

Answer:b
Step-by-step explanation:
Answer:
178
Step-by-step explanation:
Use Pythagorean Theorem to find the Hypotenuse
30^2+72^2=78^2
Use perimeter formula
a+b+c
38+72+30