You would be multiplying pi (3.14) by the number 5
Answer:
17y-9x
Step-by-step explanation:
12y-6x+5y-3x
12y+5y-6x-3x
17y-9x
Answer:
<em>129 </em>
Step-by-step explanation:
Increasing rate of length,
= 9 cm/s
Increasing rate of width,
= 7 cm/s
Length, l = 12 cm
Width, w = 5 cm
To find:
Rate of increase of area of rectangle at above given points.
Solution:
Formula for area of a rectangle is given as:

OR

Differentiating w.r.to t:

Putting the values:
