7. 4y(5y - 11) – 2y(3y + 10)
1 answer:
Answer:
Step-by-step explanation:
Hello!
4y(5y - 11)
Distribute the 4y
4y * 5y = 20y^2
4y * -11 = -44y
Put it together
20y^2 - 44y
2y(3y + 10)
Distribute the -2y
-2y * 3y = -6y^2
-2y * 10 = -20y
Put it gether
-6y^2 - 20y
Put it all together
20y^2 - 44y - 6y^2 - 20y
Combine like terms
14y^2 - 64y
The answer is
Hope this helps!
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<u>Answer:</u>
The median amount of water is higher when the eighth day's amount is included in the data.
<u>Explanation:</u>
Given the ounces of water drank is 60, 58, 64, 64, 68, 50, 57
Arranging in ascending order: 50, 57, 58, 60, 64, 64, 68
Calculating the median of the above data
Median (when n is odd) =
where n =7
Median = 4th term = 60
When the eight day is added,
Series will be: 50, 57, 58, 60, 64, 64, 68, 82
Median (when n is even) =
Median =
So, here we can say that median has increased after adding 82 in the data