Answer:
It is 20m.
Step-by-step explanation:
The perimeter equals the sum of all the sides. So 5+7+3+4+1
Answer: y = 11
Step-by-step explanation:
first, i collected the like terms.
7y + 9 = 4y + 42
then, i moved the terms.
7y - 4y + 42 - 9
then, i collected the like terms and calculated it.
3y - 33
finally, i divided both sides.
y = 11
Instead of using the quotient rule, you can first expand <em>y</em> :
<em>y</em> = (4<em>x</em> - 1)^2 / <em>x</em> ^2 = (16<em>x</em> ^2 - 8<em>x</em> + 1) / <em>x</em> ^2 = 16 - 8/<em>x</em> + 1/<em>x</em> ^2
Then the derivative is
d<em>y</em>/d<em>x</em> = -8/<em>x</em> ^2 - 2/<em>x</em> ^3
The tangent to the curve at (-1, 25) then has a slope or gradient of
d<em>y</em>/d<em>x</em> = -8/(-1)^2 - 2/(-1)^3 = -6
The required polygon whose area is to be calculated is attached below :
Answer:
16 unit²
Step-by-step explanation:
From the graph, the polygon is a triangle with height of 8 units and base of 4 units ;
Area of a triangle is given as :
Area = 1/2 * base * height
Area = 1/2 * 4 * 8
Area = 2 * 8
Area = 16 unit²
