Answer:
3.212*10^3
Step-by-step explanation:
you moved the decimal place 3 times
Answer:
y = 
Step-by-step explanation:
Given that y varies inversely with x then the equation relating them is
y =
← k is the constant of variation
To find k use the condition y =
when x =
, thus
=
= 2k ( divide both sides by 2 )
k = 
y =
← equation of variation
When x =
, then
y =
=
= 
Answer:
15 scores are less than 90
Step-by-step explanation:
Total 11 scores are less than 90 not 15
This is quite easy, but anyway:
In order, they are
3, 4, 4, 5, 5, 5, 5, 7, 7
7 - 3 = 4
4 would be the range
Answer:
25.0
Step-by-step explanation:
50/2 = 25
25.00
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