Answer:
x = 3,2
Step-by-step explanation:
Solve the equation for x by finding a, b, and c of the quadratic then applying the quadratic formula.
please mark brainly
Answer:
idk how to answer and i cant see the pdf
Step-by-step explanation:
The percentage of reduction is 17%
<u>Explanation:</u>
Original price = $21
Reduced price = $17.43
Percentage of reduction = ?
Difference in price = $21 - $17.43
= $3.57
Percentage of reduction = 
Therefore, percentage of reduction is 17%
Answer:
2 1/3 cups
Step-by-step explanation:
The total number of cups of mixed nuts purchased is ...
(8 bags)·(3 1/2 cups/bag) = 8·3.5 cups = 28 cups
When those are shared 12 ways, each share is ...
(28 cups)/(12 shares) = (28/12) cups/share = 2 1/3 cups/share
Each share is 2 1/3 cups.
Answer:
Two standard deviations
Step-by-step explanation:
The Z score is obtained using the mean and standard deviation, according to the empirical. Rule, which gives percentage of values that lie within an interval estimate in a normal distribution ;
one standard deviation lie within 68% of the mean
Two standard deviations lie within 95%
Three standard deviations lie within 99.7%
Hence, for the question given, 95% fall within 2 standard deviations of the mean
