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Andreyy89
3 years ago
10

Indicate whether the observational study used is cross-sectional, retrospective or prospective: Researchers from the National In

stitute of Health want to determine the current rates of smoking among adult males and adult females. They conduct a survey of 500 adults of each gender.
Mathematics
1 answer:
sp2606 [1]3 years ago
4 0

Answer:

Cross-sectional

Step-by-step explanation:

Cross sectional study is a type of observational study that analyzes data from a population of a representative subset at a particular point in time.

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If a number is divisible by 3 and 5 then it is divisible by 15
koban [17]

Answer:

Yes!

Step-by-step explanation:

Besides 15 and one, 3 and 5 are the greatest common factors of 15. Those numbers are therefore divisible by any product of 15.

Example:

45

45/3 = 15

45/5 = 9

45/15 = 3

6 0
3 years ago
Read 2 more answers
Explain how to find an estimate for the quotient 3.4 ÷ 6
vovikov84 [41]
To estimate this we can do it like this:-
<span>
Way #1

3.4 = 3
6 = 6 

3 </span>÷ 6 = <span>0.5

So, to estimate 3.4 </span>÷ 6 we round 3.4 to the nearest whole number and den divide. Den d answer is our estimated answer!

3.4 ÷ 6 = 0.5

Hope I helped ya!! 
3 0
3 years ago
Read 2 more answers
Harlow can bicycle at a rate of 18 miles per hour.How many hours would it take him to bicycle a stretch mark of road that is 450
FromTheMoon [43]

Answer:

8100 Hours

Step-by-step explanation:

We all have heard of miles per hour, so just plug that formula into the question!

Ex. 18 miles PER HOUR x 450 MILES = 8100 hours

Hope this helps!

6 0
3 years ago
[EXTENDED RESPONSE SHOW ALL WORK.]
Lapatulllka [165]
A.)     the greatest amount of boxes would probably be 8
B.)     the amount of cars would be 5 and the airplanes would be 3 
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A ________ exists between two variables when the values of one variable are somehow associated with the values of the other vari
motikmotik
Correlation would be the correct answer
8 0
3 years ago
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