Answer:
113.04
Step-by-step explanation:
area is πr², so 3.14·6²·3.14 = 113.04
Answer:
lynne is 7 and tobbe is 11
(18/2)+2=x
x-4=y
Step-by-step explanation:
Unknown values can be taken as anything , for example : the most common is x for unknown values and sometimes, for angles we can take θ(theta).
it is totally upto you!
Answer:
-0.25
Step-by-step explanation:
→ Find fg(x)
2 ( x + 1 )² = 2x² + 4x + 2
→ Find gf(x)
2x² + 1
→ Equate them
2x² + 1 = 2x² + 4x+ 2
→ Move everything to the right hand side
0 = 4x + 1
→ Solve
x = -0.25
