Tim took a random survey of 20 sixth graders and 20 eighth graders. He asked how many hours a week each played sports. His data
is shown in the two dot plots below.
What is the difference between the median number of hours that 6 graders play sports and the median number of hours that 8 graders play sports?
What is the difference between the median number of hours that 6 graders play sports and the median number of hours that 8 graders play sports?
1 answer:
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Answer:
A, B, and C are all true.
Step-by-step explanation:
A. 6 is neither a perfect square nor a perfect cube. True
B. 16 is a perfect square. True
C. 27 is a perfect cube. True
OD. 1,331 is both a perfect square and a perfect cube. False
E. 9 is a perfect cube. False
Answer:
Step-by-step explanation:
we know that
The area of the figure is equal to the area of an isosceles triangle (has two equal sides) plus the area of a rectangle
step 1
Find the area of the triangle
The area of the triangle is equal to
we have
To find out the height of the triangle Apply the Pythagorean Theorem
solve for h
<em>Find the area of triangle</em>
step 2
Find the area of rectangle
The area of rectangle is equal to
we have
substitute
step 3
Find the area of the figure
Adds the areas