A rancher has 400 feet of fencing dived into 2 identical fields
1 answer:
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Step-by-step explanation:
Hey there!
<u>Note</u><u>:</u><u> </u><u>Use</u><u> </u><u>double</u><u> point</u><u> formula</u><u> for</u><u> finding</u><u> </u><u>the</u><u> eqaution</u><u> which</u><u> </u><u>pass</u><u>es</u><u> through</u><u> </u><u>two</u><u> </u><u>points</u><u>.</u>
Given;
The points are; (1,-3) and (3,1).
<u>Use</u><u> </u><u>dou</u><u>ble</u><u> point</u><u> formula</u><u>.</u>
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<u>Put</u><u> </u><u>all</u><u> </u><u>values</u><u>.</u>
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<u>Simpl</u><u>ify</u><u> it</u><u>.</u>
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Therefore, the eqaution is y = 2x-5.
Alternative:
<u>Steps</u><u>:</u>
- Find slope using slope formula and use one point formula.
- Simplify in the form of y = mx+c form.
Formula:
- Slope = (y2-y1)/(x2-x1)
- One point formula= (y-y1)= m(x-x1)
The points are; (1,-3) and (3,1).
Now;
Slope= (1- (-3))/(3-1)
= (1+3)/2
= 2
Again;
Using one-point formula.
(y+3) = 2(x-1)
y+3= 2x-2
y = 2x -5
Therefore, the equation is y = 2x-5.
(You can follow up any method you want)
<em><u>Hop</u></em><em><u>e</u></em><em><u> it</u></em><em><u> </u></em><em><u>helps</u></em><em><u>.</u></em><em><u>.</u></em><em><u>.</u></em><em><u>.</u></em>
Let
x---------> represents Martin's sister's age
y--------> represents Martin's age
we know that
--------> equation
--------> equation
Substitute equation in equation
therefore
<u>the answer is</u>
Part a) An inequality that can be used to represent this situation is
or
Part b) the oldest age Martin's sister can be is years old