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We have
0.5, 1.5, 2.25, 3.0, 3.5
then the median is 2.25, we have the two halves:
<span>h1 = 0.5, 1.5
</span>h2 = <span>3.0, 3.5
</span>so the first quartile, Q1 is the median of the lower half of the data:
Q1 = (0.5 + 1.5)/2
Q1 = 1
The surface area of a cylinder consists of the two circles on either end, and the curved area around the middle. The circles have radii of 1.5 inches, so an area of pi*r^2 = 3.14 * 1.5^2 = 7.065 square inches.
The curved area can be thought of as a rectangle, like a label wrapping round the cylinder. The length of the rectangle is 5 inches, and the width of the rectangle is the circumference of one of the circles, 2*pi*r = 2 * 3.14 * 1.5 = 9.42 inches. The area of the rectangle is 9.42 * 5 = 47.1 square inches.
Putting all that together, the surface area is 7.065 + 7.065 + 47.1 = 61.23 square inches.
Answer:
Step-by-step explanation:
Given
The attached triangle
Required
Find x
Using law of sine, we have:
So, we have:
Make x the subject
-- approximated
Answer:
They are counting in even numbers, so using my counting skills, the answer is 4.