A neighborhood organization wants to know what percent of households want to have a community vegetable garden. The organization
plans to survey a random sample of 25 households.
What is the best way to randomly choose these 25 households?
What is the best way to randomly choose these 25 households?
2 answers:
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Addd 4 to both sides
sqare both sides
x+9=25
minus 9 both sides
x=16
plug it in for x and see
1=1
true
not extraneous
an extraneous root would be x=-34
sqare both sides
x+9=25
minus 9 both sides
x=16
plug it in for x and see
1=1
true
not extraneous
an extraneous root would be x=-34
For this case we apply the Pythagorean theorem, clearing the height we have:
According to the data we have:
Substituting:
We round and we have the height is
Answer:
Option B