Answer:
Yes
Step-by-step explanation:
-5/12 is the same as saying 5/-12
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Calculate circumference. You can do the math mentally with area & perimeter,but circumference is much more complex
Considering the situation described, the scientist's null and alternative hypothesis are described by:
Null hypothesis
; Alternative hypothesis
.
<h3>What are the hypothesis tested?</h3>
At the null hypothesis, it is tested if there is no difference, that is, the difference of the means represented by
is of 0, hence:

At the alternative hypothesis, it is tested if there is a difference, hence:

More can be learned about an hypothesis test at brainly.com/question/26454209
<span>483 / 322 = 1.5. $1.5 is the cost for one button. Hope this helps. :)</span>
Answer:
193
Step-by-step explanation:
9^2 = 81+181=262-69= 193