Mathematics, 25.12.2019 19:31 sfcsullivan9466
The science club sold 25 t-shirts last week and 18 t-shirts this week. what is the percentage of decrease in the number of t-shirts sold ?
a) 72%
b) 28%
c) 39%
d) 36%
Answers: 2
Mathematics, 21.06.2019 16:30
Acircle has a circumference of 2 pi cm. which statement about the circumference and area is true? a comparison of the area and circumference is not possible since the area cannot be determined. the numerical values of the circumference and area of the circle are equal. the numerical value of the circumference is greater than the numerical value of the area. the numerical value of the circumference is less than the numerical value of the area.
Answers: 3
Mathematics, 21.06.2019 17:30
What is the number 321,000,000 in scientific notation? also what is the number? ?
Answers: 2
Mathematics, 21.06.2019 21:30
Suppose babies born after a gestation period of 32 to 35 weeks have a mean weight of 25002500 grams and a standard deviation of 800800 grams while babies born after a gestation period of 40 weeks have a mean weight of 27002700 grams and a standard deviation of 385385 grams. if a 3232-week gestation period baby weighs 21252125 grams and a 4040-week gestation period baby weighs 23252325 grams, find the corresponding z-scores. which baby weighs lessless relative to the gestation period?
Answers: 1
The science club sold 25 t-shirts last week and 18 t-shirts this week. what is the percentage of dec...
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