A group of students must collect at least $150 to organize a science fair. They have already collected $30. Which graph best rep
resents all remaining amounts of money, in dollars, that the students should still collect to organize the science fair?
Number line graph with closed circle on 120 and shading to the right.
Number line graph with closed circle on 30 and shading to the right.
Number line graph with closed circle on 150 and shading to the right.
Number line graph with closed circle on 180 and shading to the right.
Number line graph with closed circle on 120 and shading to the right.
Number line graph with closed circle on 30 and shading to the right.
Number line graph with closed circle on 150 and shading to the right.
Number line graph with closed circle on 180 and shading to the right.
1 answer:
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Answer:
28.26
Step-by-step explanation:
The radius is half of the diameter. 6/2 = 3, so the radius of this circle is 3 cm.
The formula for the area of a circle is: π
Plugging 3 into the radius, we have:
× π =
9 × π
We can round π to 3.14
9 × 3.14 = 28.26