Answer: A (8,4)
Step-by-step explanation:
X=8
2x+y=20
2(8)+y=20
16 +y = 20
Y= 4
(8,4)
Q=54
You subtract 7 from 61
Answer:
0
Step-by-step explanation:
Solution for cosx=-3/2 equation:
cos((3*pi)/5)*cos((3*pi)/20) = 0
(60*x^3)/(60*x^5) = 0
cos((3*pi)/5)*cos((3*pi)/20) = 0
cos((3*x)/5)*cos((3*x)/20) = 0
1.5/100 = 0
