A tennis player hits a serve that cannot be returned 45% of the time out of 300 serves, how many can the tennis player predict will not be returned.
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Multiply .45 and 300 and you will get 135 tennis balls.
WORD PROBLEM-You play video games online. When you sign up with the game site, you get 200 points. You earn 20 more points for each hour that you play. How many hours do you have to play to get to 500 points?
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you would have to play for 15 more hours
the area of a rectangle is 100 Sq inches. the perimeter of the rectangle is 40 inches. a second rectangle has the same area but a different perimeter. is the second rectangle a square? explain why or why not.
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A rectangle with an area of 100 square inches and a perimeter of 40 feet must have sides of 10 feet each, making it a square. A rectangle with the same area and any other perimeter would therefore not be a square.
Create a fraction with a denominator of 100 that is equivalent to 2/10
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A fraction with a denominator of 100 that is equivalent to 2/10 is 20/100. This is so because 10 x 10=100 and 2 x 10=20.
20/100 is the answer
you want to determine how many students consider math to be their favorite subject. you randomly survey 75 students. 33 students consider math their favorite subject and 42 do not. you conclude 40% of students at your school consider math to be their favorite subject. Is that valid?
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No, is not valid. 33 is 44% of 75 33 ÷ 75 = 0.44 0.44 = 44%
Which fractions are equivalent to - 4/9 A: -2/5 B:-8/18 C: 16/-36 D: 20/45