Answer:
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Answer: a) -7/12 ft/s, -20 ft/s, -7 ft/s
b) 527/24 Ft²/s
c) 2/25 rad/sec
Step-by-step explanation:
a) b=7 ; a^2+b^2 = 25^2
a^2+b^2 = 625
Differentiate w.r.t = 2a (da/dt) + 2b ( db/dt) = 0
As found from above put a=24 b=7,15 and 24. You will get the reuqired answer.
b) Area of the triangle = 1/2 * b*h
differentiate wrt to time leads to the following relation:
c) sin (Θ) = b/25
differentiate it again to give
The attached image represents the completed Venn diagrams
<h3>How to complete the circles?</h3><u>Diagram 1</u>
We have:
Multiples of 3 and Multiples of 10
When the sets are populated, we have:
Multiples of 3 = 3, 6, 9, 12, 15, 18, 21, 24, 27, 30
Multiples of 10 = 10, 20, 30
Both = 30
Next, we complete the circles using the above data values
See attachment 1
<u>Diagram 2</u>
We have:
Multiples of 2, Multiples of 3 and Multiples of 5
When the sets are populated, we have:
Multiples of 2 = 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30
Multiples of 3 = 3, 6, 9, 12, 15, 18, 21, 24, 27, 30
Multiples of 5 = 5, 10, 15, 20, 25, 30
Multiples of 2 and 3 = 6, 12, 18, 24 and 30
Multiples of 2 and 5 = 10, 20 and 30
Multiples of 3 and 5 = 15 and 30
All = 30
Next, we complete the circles using the above data values
See attachment 2
Read more about Venn diagrams at:
#SPJ1
Answer:
-5/3 ft/sec
Step-by-step explanation:
In this question, we are asked to calculate the rate at which the height of the top of a ladder is changing given that the lower end is being dragged at a particular rate.
Please check attachment for complete solution and step by step explanation.
