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Savatey [412]
3 years ago
12

What’s the area? i never understood how to do these

Mathematics
1 answer:
storchak [24]3 years ago
6 0
Multiply so 9 times 5=45
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Round 8.876 to the nearest whole number
Dmitriy789 [7]
8.876 to the nearest whole number
8.876 can be rounded to 9 because if we have a number greater than 5 we round to next number i.e is 9 but if we have a number smaller than 5 then we round to the previous number that is 8.

So your answer is 9
6 0
3 years ago
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Write the following word phase as a mathematical equation. The sum of 7 and twice a number, squared.
agasfer [191]

Answer:

(7+(2n))^2

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4 0
3 years ago
A medical website states that 40% of U.S. adults are registered organ donors. A researcher believes that the proportion is too h
Marat540 [252]

Answer:

P value is 0.1932

conclusion is that find value P greater than hypothesis test at the 0.05 level

Step-by-step explanation:

Given data

registered organ donors P  = 40%

sample n = 200

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hypothesis test α = 0.05

to find out

P-value and state a conclusion

solution

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so p = x/n

p = 74 / 200 = 0.37

so we find here Z value  i.e

Z = p - P / √(PQ/n)

here Q = 1-p = 1-0.40 = 0.60

so Z = 0.37 - 0.40 / √(0.40×0.60/200)

Z = - 0.866

so p value for Z (-0.866) from z table

P value is 0.1932

and conclusion is that find value P greater than hypothesis test at the 0.05 level

6 0
3 years ago
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THIS IS FOR THE SAME TEST IF YOU WANT TO HELP ILL GIVE 50 POINTS
katrin2010 [14]
Answer: 0.5%

3 pages out of 650 is 0.5%
4 0
3 years ago
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Help me and I’ll give u BRAINLEST!!
wlad13 [49]
It’s -8 pls give the points I gave you the answer
6 0
3 years ago
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