Answer:
use khan academy
Step-by-step explanation:
khanacedemy.com
dont cheat dude
Answer:
S=20
Step-by-step explanation:
we want P(s) = 60
so P(s) = 3s = 60
s = 20
Answer:
44 cm
Step-by-step explanation:
The circumference (C) of a circle is calculated using the formula
C = 2πr ← where r is the radius
here r = 7, hence
C = 2 ×π × 7 = 14π ≈ 44 cm ( to nearest whole number )
Answer:
f(-2) = 9
Step-by-step explanation:
Given that,
f(x) = x² + x + 7
We need to find the value of f(-2).
Put x = -2 in the given function.
f(-2) = (-2)² + (-2) + 7
= 4-2+7
= 9
Hence, the value of f(-2) is equal to 9.
This is the answer hope this helped u