The answer is 10 people. The way you know is because the surveyor asked the person for one answer, so if you results were 1, 0, ,10 ,7 ,13 ,2 ,9,15 ,0 and 3, then obviously only 10 people were asked because you have 10 answers.
Step-by-step explanation:
Pythagoras' theorem shows that a^2+b^2=c^2. Not sure how else to help here.
Answer:
40
Step-by-step explanation:
add 21 + 20
hope this helps :)
The answer is A =80 because when u add 46+32 =78 and 78 round to the nearest ten is 80
Answer:
f(9) =21
Step-by-step explanation:
I will assume you want to find f(9) when x=9
Let x=9
f(9) = 2(9) +3
= 18+3
=21
f(9) =21
