Mathematics, 04.01.2021 04:30, jumana3

For integers a, b and k, we know that a12, b20 and ab. If b=7k, what is the value of k ?

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Mathematics, 21.06.2019 20:00, AleOfficial101

Hell . what are the solutions to `10x^2 - 38x - 8 = 0`? is this when i find the factors and use the numbers within the factors to determine the zeros? i hope that made sense lol

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Mathematics, 21.06.2019 21:00, Anybody6153

Ariana starts with 100 milligrams of a radioactive substance. the amount of the substance decreases by 20% each week for a number of weeks, w. the expression 100(1−0.2)w finds the amount of radioactive substance remaining after w weeks. which statement about this expression is true? a) it is the difference between the initial amount and the percent decrease. b) it is the difference between the initial amount and the decay factor after w weeks. c) it is the initial amount raised to the decay factor after w weeks. d) it is the product of the initial amount and the decay factor after w weeks.

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Mathematics, 21.06.2019 21:00, ImmortalEnigmaYT

Sue's average score for three bowling games was 162. in the second game, sue scored 10 less than in the first game. in the third game, she scored 13 less than in the second game. what was her score in the first game?

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Mathematics, 21.06.2019 23:30, sandrafina2004

Sally deposited money into a savings account paying 4% simple interest per year. the first year, she earned $75 in interest. how much interest will she earn during the following year?