Elsie, who loves to garden, has the garden plot above. The width of her current garden is 12 the length. Elsie wants to increase
both the width and length of her garden to twice the size. What is the area of the original garden? What is the area of the new garden? How do the areas compare?
1 answer:
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Answer:
C = 2πr = 16.3
2(3.14)r = 16.3
r = 16.3/6.28
r = 2.5955414
Area: A = πr2
A = 3.14(2.5955414)2
A = 21.15366242
Step-by-step explanation:
The answer would be 21.2
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Multiply and divide by the conjugate of the denominator, which is
Expand those products and eliminate the brackets:
I hope this helps. =)
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Multiply and divide by the conjugate of the denominator, which is
Expand those products and eliminate the brackets:
I hope this helps. =)
Answer:
Part a) 10 gallons
Part b) 4.59 hours
Step-by-step explanation:
<u><em>The picture of the question in the attached figure</em></u>
Part a) How much water left the tank during the 6 hours shown?
To find out how much water left the tank during the 6 hours, determine the area of the graph in that interval
so
Calculate the area of the rectangle plus the area of the triangle
Part b) How many hours did it take for 9 gallons to leave the tank?
we know that
In the interval [0,4]
8 gallons of water leaves the tank in 4 hours (remember that the area in that interval is equal to 8 gallons)
so
Find out in the interval (4,6] how many hours did it take for 1 gallon to leave the tank
First determine the equation of the line in the interval (4,6)
we have the points (4,2) and (6,0)
The slope is equal to
The equation of the line is
Determine the area of graph in the interval (4,x) (Is the area of trapezoid)
so
For A=1 gal
solve the quadratic equation by graphing
The solution is x=4.59 hours
see the attached figure N 2
