Answer:
19
Step-by-step explanation:
f(x) = 2x^2 +1
Let x =3
f(3) = 2 (3)^2 +1
= 2 *9 +1
= 18 +1
= 19
Sorry I can't do number six, but the answer to number five should be ≈24.01 using the cosine ratio.
Answer:7
Step-by-step explanation:
Because it’s the place value of 5
Answer:
1,017.36 ft²
Step-by-step explanation:
surface area of the cone = π×r×s
= 3.14 × 13.5 × 24
= 3.14 × 324
= 1,017.36 ft²