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Answer:
1. always
2.never
3.sometimes
4.always
5.sometimes
6.always
Step-by-step explanation:
It is clear from the given number line, that is a negative integer and
is a positive integer.
1. It is always true because addition is always commutative property.
2. It is never positive because product of two different sign is always negative.
3.dividing two integer with unlike sign may result in any integer
4.when a positive quantity is reduced from a negative quantity, the result is always negative.
5.division of two unlike integers may result the same,if they both have the same value
6.If an opposite of a positive integer is added to that positive integer itself, the result is is always 0.
There were 5 adult tickets and 3 student tickets.
Step-by-step explanation:
Step 1:
Assume the number of adult tickets purchased is x and the number of student tickets purchased is y.
From the given data, we can write the following equations;
, take this as equation 1.
Since 8 tickets were purchased,
, take this as equation 2.
Step 2:
We rearrange equation 2 so we can substitute in equation 1.
, take this as equation 3.
By substituting equation 3 in equation 1, we get
Step 3:
Substituting this value of x in any of the previous equations we will get y's value.
Here this value of y is substituted in equation 2.
So we have x = 5 and y = 3. So there were 5 adult tickets and 3 student tickets.