Answer:
I don't know see the bar graph BUT i do know some caffeinated drinks students would consume. Coffee, Soda, Tea, & Energy Drinks.
Step-by-step explanation:
Answer:
Probability of picking Red ball is 27.5%
Step-by-step explanation:
Given:
Total Number of balls = 200
Number of White balls = 100
Number of Red balls = 55
Number of Black balls = 45
We need to find the probability of the ball picked to be red.
Solution:
Now we know that;
Probability is equal to number of Possible Outcomes divide by total number of Outcomes multiplied by 100.
framing in equation form we get;
Hence Probability of picking Red ball is 27.5%.
Answer:
The correct answer is (c) the poll uses voluntary response, so the results tell us little about the population of all adults.
Step-by-step explanation:
You can't conclude (a) because this question hasn't be made to all the Americans.
You can't conclude (b) because the poll doesn't use any convenience for the selection of the sample
You can't conclude (d) because this is not a poll with a premeditated sample, therefore, the size is inconclusive.
You can conclude (c) because the poll was available for anyone who voluntary wanted to answer it.
- Um número => x
- O quadrado de um número => x²
<span>- O produto desse número por 3, mais 18 => 3x + 18
x</span>² = 3x + 18 => x² - 3x - 18 = 0, p/ a = 1, b = -3, c = -18
Δ = (-3)² - 4(1)(-18) = 81
<span>x' = [-(-3) + 9]/2 = 12/2 = 6
x" = </span><span> [-(-3) - 9]/2 = -6/2 = -3</span>
Answer:
140
Step-by-step explanation:
560. 1
____. ÷. ______
1. 4
Cross out the numbers that are divisible
560/4 = 140