mrashrafkotkaat
26.09.2021 •
Mathematics
Suppose you try to conduct a presidential approval poll of 5,000 likely
U.S. voters. You know that 25% of the voters are registered as
Republican, 31% are registered as Democrat, and 42% are registered
as Independent. If you are going to construct a representative sample
of this population, approximately how many of the likely voters in the
sample should be:
a. Republican
b. Democrat
c. Independent
d. Notice the sum of the percents is not 100. What could account for
this?
Solved
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Ответ:
I don't know answer good morning dear
Ответ:
2nd option
Step-by-step explanation:
The shaded area = outside area - inner area
= x² - (x - 6)² ← expand using FOIL
= x² - (x² - 12x + 36) ← distribute parenthesis by - 1
= x² - x² + 12x - 36 ← collect like terms
= 12x - 36