Answer: x = 3
y = 30
Step-by-step explanation:
substitute y = 10x into the first equation , we have
- x +2(10x) = 57
-x + 20x = 57
19x = 57
x = 57/19
x = 3
Substitute x = 3 into the second equation
10(3) = y
Therefore y =30
Answer:
c
Step-by-step explanation:
The correct is 44 because you estamate and 48 is close to 44
Answer:
Benjamin Franklin said "What science can there be more noble, more excellent, more useful for men, more admirably high and demonstrative than mathematics."
Check the picture below
notice, the angle at vertex P, is inscribed in the circle, and intercepting arcQR.