4a + 7b = 38 -> (1)
9a + 7b = 68 -> (2)
Subtract (1) from (2),
9a - 4a + 7b - 7b = 68 - 38
5a = 30
a = 6
Answer:
divide
Step-by-step explanation:
divide the first one by the second that might help
Answer:
the answer is 10,000
Step-by-step explanation:
i don't know
I think you do this
how many numbers times itself to the length of the code.
Answer:
The population is: all glass recycled
The sample is: the 10 selected glass items.
The parameter is the proportion of: all his glass that is clear
The statistic is the proportion of: the selected glass that is clear
Answer:
c i belive
Step-by-step explanation:
bec why not dude it seems to be self explanatory through the explanation
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