You didn’t give the question
D+Q=61 => D=61-Q
3+D=Q
10D+25Q=1090
10(61-Q) + 25Q=1090
610-10Q+25Q=1090
610+15Q=1090
-610 -610
15Q=480
480/15=32
32 quarters
Answer: 9 pieces
Explanation: Divide 8 by 7/8 to find the number of cut pieces and you'll get 9.
Answer:122
Step-by-step explanation:
Supplementary just means two angles sum to 180.
Answer:
(3, -4)
Step-by-step explanation:
Lines are intersecting at points (3, -4).
So, the solution of the given system of equations is (3, -4).
Hope it helps you in your learning process.
