Mathematics, 04.10.2020 14:01 izabelllreyes
2. In the expression X-Y, if X is a negative
integer and Y is a positive integer. What must be
true of our answer?
A The difference is always zero
B The difference is always positive
C The difference is always negative
D The difference could be a negative or
positive
Answers: 2
Mathematics, 21.06.2019 18:00, mooreadrian412
The brain volumes (cm cubed) of 50 brains vary from a low of 904 cm cubed to a high of 1488 cm cubed. use the range rule of thumb to estimate the standard deviation s and compare the result to the exact standard deviation of 175.5 cm cubed, assuming the estimate is accurate if it is within 15 cm cubed
Answers: 2
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.
Answers: 1
2. In the expression X-Y, if X is a negative
integer and Y is a positive integer. What must be
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