Answer:
-3
Step-by-step explanation:
we khow that the vertex form of a function is written this way :
f(x)=a(x-h)²+k
- the coordinates of the vertex are (h,k) so from the graph we can deduce that k = -3
What is the frequency chart for this data set?
1 answer:
Answer:
The frequency has a sum of 25 data.
Find attached file for drawings.
Step-by-step explanation:
Frequency shows the details of data with the highest or most frequent occurrence.
The frequency for the class interval, shows the data within the limits of the class.
From example.
Class:..... Frequency
(0-3)........ 4 (that is: 2, 3, 1 and 3)
(4-7) ....... 4 (that is : 6,6,5,7)
(8-11) ........5 (10,11,9,9,10)
(12-15) ......3 (14,14,12)
(16-19) ......3 (19,18,19)
(20-23).....2 (22,20)
(24-27) .....0 (No data in boundary)
(28-31).......3 (28,30,29)
(32-35)...... 1 (34)
That's how you about this!.
Enjoy maths
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9(2w−y)=21w−9y
First you multiply the numbers in the parenthesis by 9
subtract. 21w-18w=3w
add. -9y+9y=0
divide.
Final answer is 0.