Answer:
The first one
Step-by-step explanation:
I drew it with my graphic calculator.
7*11=77 because 7 and 11 are 4 apart Enjoy!=)
Step-by-step explanation:
substitute the values
px=3x+1
=(3x+1)/x
=3x/x +1/x
=3+1/x
rx=2x²+5
p(r(x)) =(3+1/x(2x²+5))
=6x²+15+2x²/x+5/x
=3(2x²+5)+1/x(2x²+5)
=(2x²+5)(3+1/x)
Answer:
2100
Step-by-step explanation:
5/210=50/x
x= 50*210 / 5
x= 2100