Mathematics, 08.12.2021 20:00 derrickgatson48
the times of the runners in a marathon are normally distributed, with a mean of 3 hours and 50 minutes and a standard deviation of 30 minutes. what is the probability that a randomly selected runner has a time less than or equal to 3 hours and 20 minutes? use the portion of the standard normal table below to help answer the question.
Answers: 3
Mathematics, 21.06.2019 17:30
In parallelogram abcd the ratio of ab to bcis 5: 3. if the perimeter of abcd is 32 find ab
Answers: 1
Mathematics, 21.06.2019 21:00
Need match the functions with correct transformation. f(x) = -3x f(x) = |x-1|+3 f(x) = β(x+3) 1/2xΒ² f(x) = (x+1)Β²-3 4|x| 1. compress by a factor of 1/2 2. stretch by a factor of 4 3. shift to the left 3 4. shift to the left 1 5. shift up 3 6. reflection
Answers: 1
Mathematics, 21.06.2019 21:50
Desmond wants to sell his car that he paid $8,000 for 2 years ago. the car depreciated, or decreased in value, at a constant rate each month over a 2-year period. if x represents the monthly depreciation amount, which expression shows how much desmond can sell his car for today? 8,000 + 24x 8,000 - 24x 8,000 + 2x 8,000 - 2xdesmond wants to sell his car that he paid $8,000 for 2 years ago. the car depreciated, or decreased in value, at a constant rate each month over a 2-year period. if x represents the monthly depreciation amount, which expression shows how much desmond can sell his car for today? 8,000 + 24x 8,000 - 24x 8,000 + 2x 8,000 - 2x
Answers: 1
Mathematics, 22.06.2019 01:30
Talia grouped the terms and factored out the gcf of the groups of the polynomial 15x2 β 3x β 20x + 4. her work is shown below. (15x2 β 3x) + (β20x + 4) 3x(5x β 1) + 4(β5x + 1) talia noticed that she does not have a common factor. what should she do?
Answers: 1
the times of the runners in a marathon are normally distributed, with a mean of 3 hours and 50 minut...
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