Mathematics, 15.12.2020 22:40 bertha4082
One of the roots of the equation 2x^2-bx-20=0 is -2.5. Find the other root.
Answers: 2
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Out of $20$ creepy-crawly creatures in a room, $80\%$ are flies and $20\%$ are spiders. if $s\%$ of the total legs belong to spiders, what is $s$?
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How is this equation completed? i cannot find any examples in the book.
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Acentral angle measuring 160 degrees intercepts an arc in a circle whose radius is 4. what is the length of the arc the circle formed by this central angle? round the length of the arc to the nearest hundredth of a unit. a) 4.19 units b) 6.28 units c) 12.57 units d) 12.57 square units
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One of the roots of the equation 2x^2-bx-20=0 is -2.5. Find the other root....
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