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lesantik [10]
2 years ago
6

The distribution of the amount of money spent by students on textbooks in a semester is approximately normal in shape with a mea

n of 358 and a standard deviation of 37.According to the standard deviation rule, approximately 68% of the students spent between $ and $ on textbooks in a semester.
Mathematics
1 answer:
Mnenie [13.5K]2 years ago
7 0

Answer:

I'm sorry I don't know

Step-by-step explanation:

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Increase 250ml by 86%
Alexandra [31]
250=100%
25=10%
12.5=5%
2.5=1%
25*8=200(80%)
12.5+2.5=15(6%)
200+12=215(86%)
250+200=450(186%)
so 450ml is your answer
Hope this helped :)
6 0
3 years ago
Could someone help me out
AnnyKZ [126]
It is the second one
7 0
3 years ago
Read 2 more answers
PQ is bisected at point R by MN. Which of the following I true about point R.
Stella [2.4K]

Answer:

C. R is the midpoint of PQ.

Step-by-step explanation:

Given that segment PQ is bisected at point R by MN.

It means PQ is divided into two parts at point R by the segment MN.

That is, PR = RQ

Hence, R is the midpoint of PQ.

It is not given that the segment MN is bisected by PQ.

So, R need not be the midpoint of MN.

Please refer to the attached figure for better understanding.

7 0
3 years ago
Read 2 more answers
Derrick's parents are finalizing a budget for his college expenses. His first year of college will cost $8,000, and his
pychu [463]
The first answer



Step by step

His first year costs $8,000
So our total amount to start with is $8,000

His second year will cost 12% more than his first so $8,000 • 1.12 = $8,960
Our total is now $16,960

His third year will again will be 12% more than his last year so $8,960 • 1.12 = 10,035.2
Our total is now $26,995.2

His last year will be 12% more than his previous year so $10,035.2 • 1.12 = $11,239.42
Our final total is $38,234.62
Which rounded equals $38,235

7 0
3 years ago
Read 2 more answers
At Glenridge High School, 20 percent of the
Makovka662 [10]

Answer:

40 percent

Step-by-step explanation:

60 - 20 = 40

Reasoning: The amount of seniors that attended was 20 percent, so 60 (total students) percent minus 20 percent is equal to 40 percent.

Hope this helps!

3 0
3 years ago
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