A farmer has 200 feet of fencing to use for a chicken pen. He wants the width of the pen to be 27 feet. What is the length
2 answers:
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Options:
A.
B.
C.
D.
E.
Answer:
B.
C.
D.
Step-by-step explanation:
Given
Required
Select all equations that could be used.
Equation that could be used in place of must have the same slope.
Calculating the slope of
Make y the subject
Using y = mx + b
Where
The slope is -4
Option A.
Open bracket
Collect Like Terms
Make y the subject
The slope of this line is 4;
Hence, it can not be used.
Option B.
The slope of this line is -4;
Hence, it can be used.
Option C.
Solve for4y
Solve for y
The slope of this line is -4;
Hence, it can be used.
D.
The slope of this line is -4;
Hence, it can be used.
E.
Solve for 2y
Solve for y
The slope of this line is -2;
Hence, it can not be used.
<em>From the calculations above, equations B, C and D are equivalent</em>