Answer:
132 cm
Step-by-step explanation:
The circumference of a circle is given by
C = 2 * pi*r
Using 22/7 as pi
C = 2 * 22/7*21
= 132 cm
That's is the commutative property of multiplication
Answer:
4.7ft
Step-by-step explanation:
Hello, the answer would be 4.7ft because 4.7^2 is closest to 22ft^2 with it being 22.09ft^2.
Answer:4
Step-by-step explanation: 77 in total
subtract 77 from 1 to get 76, multiplied by 4 would get you 304. and how many times would 77 go into 304. divide it from 77 and you will get 4.
Answer:
see explanation
Step-by-step explanation:
Use the points to find a and b, that is
(2, 18)
18 = a
→ (1)
(4, 162)
162 = a
→ (2)
divide (2) by (1)
=
= 9
b² = 9 ⇒ b = 3
substitute b = 3 into (1)
18 = 9a ⇒ a = 2
y = 2
← exponential equation