Answer:
a)
b) area of the spill increasing when the radius is 23 m
Step-by-step explanation:
<u>Explanation:</u>-
a)
Given 'A' is the area of a circle with radius 'r'
The area of the circle ..(I)
Differentiating equation (I) with respective to 't'
b)
If the radius of the oil spill increases at a constant rate of 1 m/s
Given the radius r= 23m
Area of the spill increasing when the radius is 23 m
Answer: .
Step-by-step explanation: Given expression :
We know,
Substituting those values in given expression, we get
=
=
Crossing out from top and bottom, we get
=
= .
Answer:1/4
Step-by-step explanation:
You first multiply 3/4x2=6/8 of the whole pizza. Then you do 6/8 divided by 3, when dividing a fraction you change flip and switch.6/8x1/3=6/24=1/4