Mathematics, 01.10.2019 06:00 bxbykay1
The ages of two brothers are in the ratio two to three, but in eight years, the ratio of their ages will be three to four. what is the age of the older brother.
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Ten times the square of a non-zero number is eqaul to ninety times the number
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Factor the polynomial 4x4 – 20x2 – 3x2 + 15 by grouping. what is the resulting expression? (4x2 + 3)(x2 – 5) (4x2 – 3)(x2 – 5) (4x2 – 5)(x2 + 3) (4x2 + 5)(x2 – 3)
Answers: 1
Mathematics, 21.06.2019 21:00
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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The ages of two brothers are in the ratio two to three, but in eight years, the ratio of their ages...
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