In 2010, Washington Township created recreational soccer programs for the spring and fall seasons. The table shows the number of
2 answers:
Answer:
Option A is the answer.
Step-by-step explanation:
Table is given as
Year 2010 2011 2012 2013
Spring league 68 79 90 101
Fall league 145 148 151 154
Now as per given table we will analyze each option given
A). Difference in spring league participation increasing every year = 79-68 = 11
Difference in Fall league increasing every year = 148-145 = 3
Therefore option A is true because Spring league is increasing more than twice as fast as fall league.
B). This option is not true because participation in the spring league is increasing nearly 4 times of Fall league.
C) False. Spring league participation is more than fall league.
D) False. Same as option C because spring league participation is more than fall league.
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Answer(a):
Order of matrix A = 3x3 {because number of rows=3, number of columns=3}
Order of matrix B = 3x3
Order of matrix C = 1x3
3A will be of order 3x3 because multiply by scalar doesn't change the order. Which is same as the order of matrix B.
So 3A+B is possible.
We simply multiply all elements of A with 3 and add them with corresponding elements of B.
Answer(b):
2B will be of order 3x3 because multiply by scalar doesn't change the order. Which is NOT same as the order of matrix C.
So 2B+C is NOT possible.
Answer(c):
CA is possible only if
number of columns of C = number of columns of A
3=3
which is true hence CA is possible.
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<em><u>If the matrix is not visible properly then look at the attached picture.</u></em>
