Answer:
D
Step-by-step explanation:
complementary sums until 90 degrees
90-13=77
X + 2y = 1 ______×1
4x + y = 11 _____ ×2
x + 2y = 1
8x + 2y = 22
8x + 2y = 22
(-)
x + 2y = 1
_____________
7x = 21
x = 3
3 + 2y = 1
2y = 2
y = 1
i am a mathematics teacher. if anything to ask please pm me
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Answer:
A: 16
Step-by-step explanation:
difference is +12
4 + 12= 16
Answer:
i am very confused...
Step-by-step explanation:
but im going to ask that n= (3,2)