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Leokris [45]
3 years ago
14

Please help with question 7 and 8 also 9

Mathematics
1 answer:
noname [10]3 years ago
5 0
I think it would be B but I’m not sure for number 7
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Anybody know how to work on decay rate? I'll give brainliest. THIS IS DUE SOON SO PLEASE HELP
artcher [175]

Answer:

28%

Step-by-step explanation:

In the function the .72 means that each unit of time 72% of the value is retained. This means that 28% percent of the value is lost or decays because 1-0.72=0.28 or 28 percent.

3 0
3 years ago
80% of visitors went to see the show. if 1600 visitors saw the show, how many visitors was at the show
Luden [163]

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5 0
3 years ago
Here is 19 and 20 thank yall
Veseljchak [2.6K]

Answer:

19: The difference between the temperature in Fair Banks and Barlow is 3°F

20: -13°F, -10°F, 15°F, 24°F.

Step-by-step explanation:

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4 0
3 years ago
Read 2 more answers
The manager of a grocery store wants to determine the average amount of money spent at his store as it compares to the average d
masha68 [24]
So we first have to find the mean: 41+ 38+19+ 30 +21+ 53+34+34 + 37+ 29+ 50 + 43+ 57+ 28+ 50 = 534 534/15 = 35.60 
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Therefore, the store with the better representation of there data would be the competitor's store. This is because more money is being spent at the competitor's store which has an average of $49.00 when the owners store has an average of $36.00. 
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4 0
3 years ago
Ayuda por favor doy coronita
Mrac [35]

Answer:

???????????????????????????????? 50 50

20 20

40 50

Step-by-step explanation:

3 0
3 years ago
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