What is the diameter of a circle with a circumfrence of 8 centimeters??
1 answer:
Answer:
2.547
Step-by-step explanation:
2pir=8
1.273=r
d=2r
2.547=d
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Answer:
90 and 10
Step-by-step explanation:
90 + 10 = 100
90 - 10 = 80
Radius = OC = OD
Solve for x:
10x -16 = 6x+2
4x = 18
x = 9/2 = 4.5
Sub 'x' back into OC
OC = 6(4.5) + 2 = 29
Radius = 29
Answer:
z < 8
Step-by-step explanation:
Add 3 to both sides
8 > z OR z < 8
Deposit: = $600 on 1st April
Futher Depost = $200 on1st July
Interest rate = 2.60% per annum
Compounded = quarterly
A is aldult tickets
b is child tickets
b = 2/3 a
7a + 12b = 90
7a + 12 x 2/3 a = 90
7a + 8a = 90
15a = 90
a = 6; b = 4
