First, set the coordinate points on a graph, and joint them to form a graph
By looking at the graph we can see that:
width : 3
length: 6
Area of a rectangle : Length x width : 6 x 3 = 18
The distances and times from a track meet for four schools are shown.
1 answer:
Answer:
Average time for West Middle was maximum.
Step-by-step explanation:
Average time for a track meet for schools =
For Eastbay Middle,
Average time per mile =
= 6 minutes per mile
For Northwest Middle,
Average time =
= 5 minutes per mile
For South Central Middle,
Average time =
= 7 minutes per mile
For West Middle,
Average time =
= 8 minutes per mile
Therefore, average time for West Middle (8 minutes per minute) was maximum.
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<u>Correct Question</u>
In the table shown, the sum of each row is shown to the right of the row and the sum of each column is shown below the column. What is the value of L?
Answer:
L=7
Step-by-step explanation:
From the first row: 2J+K=5
Therefore: K=5-2J
From the second column, 2K+J=7
Substitute K derived above into 2K+J=7
2K+J=7
2(5-2J)+J=7
10-4J+J=7
-3J=7-10
-3J=-3
J=1
Recall: K=5-2J
K=5-2(1)=3
K=3
From the third column, J+2L=15
1+2L=15
2L=15-1=14
L=7
Therefore, the value of L=7
CHECK: