Step-by-step explanation:
C≈62.83m
Using the formulas
C=2πr
d=2r
Solving forC
C=πd=π·20≈62.83185m
Answer:
a = -36/7
Step-by-step explanation:
55 + 7a = 19
(55 - 55) + 7a = (19 - 55)
7a = -36
7a/7 = -36/7
a = -36/7 the fraction can't be simplified any further
Answer:
sale prices = $252
Step-by-step explanation: 280 - (280 x 10%) = 280 - 28 = $252
Answer: 3/25 and 9/20
Step-by-step explanation:
We take the number and covert it into a fraction
A 2 digit Numerator = a 3 digit denominator
A 3 digit Numerator = a 4 digit denominator
And so on...
Then We can reduce,
45/100 = 9/20
120/1000 = 3/25
Hope this helped!
2 1/2 litres would be a reasonable amount of water assuming everyone drinks the same amount.