A sprinkler waters in a circular pattern, spraying water out 3.2 meters. How much surface will it water
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Answer:
Step-by-step explanation:
<em>See Attachment for complete question</em>
To determine which of the options has (-4,2) as its solution; we have to test each linear combination until we arrive at an answer;
Given that
Testing Option A
Substitute and
in
Open Brackets
Substitute and
in
Open Brackets
<em>In both cases, the expression on the right hand side equates to that on the left hand side; </em>
<em>Hence, there's no need to check for other options. </em>
First, add the fractions because they already have a common denominator.
3 plus 1 equals 4. The fractions make 3/3 which equals 1. 4 plus 1 equals 5.
Your answer is 13.
Hope this helps!
:)