Mathematics, 31.03.2020 22:54 ondreduty1789
The half-life of a radioactive substance is 245 days. How long will it take for 79 grams of the substance to decay to 43 grams?
Answers: 1
Mathematics, 21.06.2019 12:30
Which shows one way to determine the factors of x3 + 5x2 β 6x β 30 by grouping? x(x2 β 5) + 6(x2 β 5)x(x2 + 5) β 6(x2 + 5)x2(x β 5) + 6(x β 5)x2(x + 5) β 6(x + 5)
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Mathematics, 21.06.2019 16:30
What is the first step of an indirect proof of a number that is divisible by two
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Mathematics, 21.06.2019 17:30
Which of the following equations is of the parabola whose vertex is at (2, 3), axis of symmetry parallel to the y-axis and p = 4? a.)y-3 = 1/16 (x-2)^2 b.)y+3 = -1/16 (x+2)^2 c.)x-2 = 1/16 (y-3)^2
Answers: 3
Mathematics, 21.06.2019 21:00
Timmy uses 1 1 2 cups of sugar for every 2 gallons of lemonade he makes. how many cups of sugar would timmy use if he makes 13 gallons of lemonade?
Answers: 1
The half-life of a radioactive substance is 245 days. How long will it take for 79 grams of the subs...
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