Which two of the following are not characteristics of surveys?
1 answer:
Answer:
The following characteristics of experiments are not also characteristics of surveys:
- The first one is B. The study compares two or more treatments (possibly including "no treatment").
- The other one is D. The study involves one or more treatment groups and a control group.
Step-by-step explanation:
surveys are tested with one group
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Answer:
-12 - 10i
Step-by-step explanation:
We are subtracting 3 + 2i from -9 - 8i. Rewrite the left side as -3 - 2i and then ADD this result to -9 - 8i:
-9 - 8i
-3 -2i
-----------
-12 - 10i
KE=1/2(m)(v)^2
KE=1/2(80)(1.5)^2
KE=90 J
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The answer is 51/40=1 and 11/40
