Mathematics, 13.10.2019 10:50 yaya111601
Two square pyramids have the same volume. for the first pyramid, the side length of the base is 20 in. and the height is 21 in. the second pyramid has a height of 84 in. what is the side length of the base of the second pyramid?
Answers: 2
Mathematics, 22.06.2019 00:30
Astudent was asked to find the square of 7x+3. the student quickly wrote (7x+3)^3= 49x^2+9. identify the student's error and provide the correct answer.
Answers: 3
Mathematics, 22.06.2019 01:30
Quadrilateral efgh was dilated with the origin as the center of dilation to create quadrilateral e'f'g'h'. the quadrilateral was dilated using a scale factor of 2.5. the lengths of the sides of quadrilateral efgh are given. what is the length of side f'g'?
Answers: 1
Mathematics, 22.06.2019 03:00
A. find the power of the test, when the null hypothesis assumes a population mean of mu = 450, with a population standard deviation of 156, the sample size is 5 and the true mean is 638.47 with confidence intervals of 95 b. find the power of the test, when the null hypothesis assumes a population mean of mu = 644, with a population standard deviation of 174, the sample size is 3 and the true mean is 744.04 with confidence intervals of 95% c. find the power of the test, when the null hypothesis assumes a population mean of mu = 510, with a population standard deviation of 126, the sample size is 10 and the true mean is 529.44 with confidence intervals of 95
Answers: 2
Two square pyramids have the same volume. for the first pyramid, the side length of the base is 20 i...
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