Y=-2
You combine like terms which would be -14 and 22. 22-14=8. Then you subtract that from 0. 0-8=-8. Then divide -8 by 4y. -8÷4=-2
1920÷12= 160
Step-by-step explanation:
1920÷12= 160
Answer:
The study is an observational study.
Step-by-step explanation:
Observational study: In research methods, the term "observational study" is determined as one of the different studies that are being conducted by the researchers to observe or study the effects of a specific risk factor, treatment, diagnostic test, or some other intervention in the absence of an effort to change which participants are being exposed and which is not being exposed to it.
Types: Cohort study and case-control study.
In the question above, the given statement represents the observational study.
Answer:
and
Step-by-step explanation:
First make all the fractions into improper fractions
After doing that put them back into the problems
Problem 1)
÷ 
, plug in the improper fractions
÷ 
to divide, you need to flip the second fraction and multiply
· 
= 
then reduce
Problem 2)
÷ 
Plug in improper fraction
÷
Then flip second fraction and multiply
· 
Multiply
Reduce, or make it a mixed number
Answer:
31 nickels and 29 dimes
Step-by-step explanation:
