Is X = 1 And. Y = -8 parallel ,perpendicular, or neither
2 answers:
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Answer:
The combined average is 94%
Step-by-step explanation:
for first period, number of students =40
average =96%
for second period, no of students =20
average =90%
but
let =sum of students for the first period
=sum of students for the second period
for first period;
for second period,
therefore the combined average =
that is
so combined average is 94%
Answer:
The volume is 300 square feet.
Step-by-step explanation:
Volume is calculated by multiplying as such:
so, to calculate this, you would insert the parameters of the equation like this:
doing it step by step, it is: