8 pm to midnight (12 pm) = 4 hrs
so the temp dropped -16.8 in 4 hrs (because the temp started at 0)
-16.8/4 = -4.2....so it dropped 4.2 every hr.
temp at 9 pm (1 hr after 8) would be (0 - 4.2) = -4.2
Answer:
A
ellipse
Step-by-step explanation:
The whole number consisting of x in the hundreds place, y in the tens place, and 2 in the ones place is; xy2.
<h3>What is the whole number described in the task content?</h3>
It follows from the task content that the whole number described has x in the hundreds place, y in the tens place, and 2 in the ones place.
The whole number in discuss can be broken down simply as: (x×100) + (y×10) +(2×1).
Hence, the whole number is; xy2.
Read more on place values;
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Answer:
A = about 62.82
Step-by-step explanation:
A=lw+l(w/2)2+h^2+w(l/2)2+h^2=4·4+4·(4/2)^2+5.5^2+4·(4/2)^2+5.5^2≈62.82