The correct answer is C
Approximately 95% of data falls within 2 standard deviations (±2) of the mean.
Answer:
John had $572 in his savings account.
Step-by-step explanation:
Let the total amount John took from his savings account be T.
He spent $52. That means he has $(T - 52) left.
He then spent 1/2 of what was left on presents for his friends. That is:
Which means he is left with another half of what was left, that is,
Of the money remaining, John put 4/13 into checking account.
This means that he is left with 9/13 of .
We are told that this is equivalent to the last remaining $180 that John left to charity.
=>
Hence:
=> T = 520 + 52 = $572
Hence, John took $572 from his savings account. Since this is all he had in his savings account, John had $572 in his savings account.
Answer:
Increasing then decresing
Step-by-step explanation:
the graph is going up then down so therefore it is increasing then decresing.
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Scale Factor
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floor plan : Garage
1 : 100
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Find 1 in²
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1in : 100 in
(1 in)² : (100 in)²
1 in² : 10 000 in²
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Find 8 in²
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1 in² : 10 000 in²
8 in² : 80 000 in²
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Answer: 80 000 in²
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