X=8 would you like me to explain why?
Step-by-step explanation:
cos A = 16/20 = 4/5
tan A = 12/16 = 3/4
sin A = 12/20 = 3/5
Answer:
y=6x
Step-by-step explanation:
g=-9/2
c=0
y=-9/2x
3/4x*-9/2
y=6x
The discriminate formula is b^2+4ac so -5^2+4(1)(6)=49
S=6a²
a=8mm
S = 6 * 8² = 6 * 64 = 384 mm²
