Answer:
Step-by-step explanation:
Given :
...................... equation 1
........................ equation 2
solving the system of linear equation by substitution method , substitute equation 1 into equation 2 , that is
collect the like terms
therefore :
substitute into equation 1 to find the value of y , that is
Therefore :
The order of operations helps keep answers for multi-step equations similar. If the proper order of operations are not followed, then answers may vary. To show an example:
4 / 2 - 1
The proper order of operations would be:
Divide first, before subtracting
4 / 2 - 1
2 - 1
1
But if subtracting was done before dividing:
4 / 2 - 1
4 / 1
4
So not following the proper order would yield different and erroneous answers.
<em>Answer </em><em>:</em><em> </em>
For a function to be one to one it must
For a function to be one to one it mustpass the horizontal line test. For every
For a function to be one to one it mustpass the horizontal line test. For everyoutput value f(x) there is only one
For a function to be one to one it mustpass the horizontal line test. For everyoutput value f(x) there is only oneinput value x..
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Answer:
option C. 180 cars
Step-by-step explanation:
24 = 2
x = 15
cross multiply
2x = 24 × 15
2x = 360
x = 360/2
x = 180