Prove that if x and y are rational numbers then 5x
2 − 7y is a rational number...
Mathematics, 17.09.2021 18:20 gg808
Prove that if x and y are rational numbers then 5x
2 − 7y is a rational number
Answers: 2
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Josephine has a great garden with and area of 2x2 + x - 6 square feet
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For each polynomial, determine the degree and write the polynomial in descending order. a. –4x^2 – 12 + 11x^4 b. 2x^5 + 14 – 3x^4 + 7x + 3x^3
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Parabolas y=−2x^2 and y=2x^2 +k intersect at points a and b that are in the third and the fourth quadrants respectively. find k if length of the segment ab is 5.
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Atrain leaves little? rock, arkansas, and travels north at 90 kilometers per hour. another train leaves at the same time and travels south at 80 kilometers per hour. how long will it take before they are 680 kilometers? apart?
Answers: 1
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