Answer:
6450
Step-by-step explanation:
1kg = 1000g
6.45 x 1000 = 6450
Answer:
1. -3/8 2. 1/2 3. -3/2
Step-by-step explanation:
You can use Y2-Y1/X2-X1 to find the answers
Ask me if you want it more in detail
Answer:
a = 20
Step-by-step explanation:
The mean is calculated as
mean = 
=
= 
Then
= 27 ( multiply both sides by 5 to clear the fraction )
115 + a = 135 ( subtract 115 from both sides )
a = 20
Answer:
14/21
Step-by-step explanation:
14/21 is divisible by 7, and can reduce to 2/3
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