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thedudethatneedshelp
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thedudethatneedshelp
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29 Questions
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What is the largest number C such that 2x^2+5x+C=0 has at least one real solution? Express your answer as a common fraction.
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thedudethatneedshelp
16.08.2022
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305
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A child is given two large squares, ten small squares, and nine rectangle whose length and width are those of the squares. Show with an illustration how the child can make one complete rectangle using all 21 pieces. (Hint: Let x=side of large square, y=side
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thedudethatneedshelp
23.01.2022
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387
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How many copies of the digit 0 are there among the digits of the first 2016 positive integers?
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thedudethatneedshelp
24.05.2021
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419
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Two different digits from 1 to 9 are chosen randomly to form a 2-digit number. By reversing the order of
the digits, a second 2-digit number is formed. What is the probability that the sum of these two numbers will
be a multiple of the sum of the
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thedudethatneedshelp
24.05.2021
+1
422
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An artist mixes a shade of paint that is 33 1/3%
red, 15% yellow and the rest blue. He then mixes a second
shade of paint using only red and blue in a 3:1 ratio. If the artist then combines 300 mL of the first shade with
120 mL of the second
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thedudethatneedshelp
11.03.2021
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450
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help plz
The numbers between 1 and 2011 are written on a piece of paper. Logan circles the even numbers with red
circles and Miranda circles the multiples of 5 with blue circles. How many numbers are circled with only one
color?
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thedudethatneedshelp
03.03.2021
0
470
1
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Kendra has a basket containing 4 types of fruit. She has 3 times as many bananas as apples. There are 4
more pears than bananas, and 2 less lemons than apples. What is the least number of pieces of fruit that could
be in Kendra’s basket?
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thedudethatneedshelp
03.03.2021
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538
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contest question
Elves and ogres live in the land of Pixie. The average height of the elves is 80 cm, 36 the average height of the ogres is 200 cm and the average height of the elves and the ogres together is 140 cm. There are 36 elves that live in Pixie. How many ogres
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thedudethatneedshelp
04.10.2020
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