Mathematics, 21.07.2021 18:00 amoauya
Cho hình chóp S. ABCD có đáy ABC là tam giác vuông tại B, AB=b, BC=a^2, đường thẳng SA vuông góc với mặt phẳng đáy và góc đường thẳng SC và mặt phẳng đáy bằng 30 độ. Gọi h là khoảng cách từ điểm S đến mặt phẳng (ABC). Mệnh đề đúng?
Answers: 1
Mathematics, 22.06.2019 00:00
Which of the following are arithmetic sequences? check all that apply. a. 0.3, 0.6, 0.9, 1.2, 1.5, b. 2, 3, 6, 11, 18, c. 150, 147, 144, 142, d. 2, 4, 9, 16, 25,
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Mathematics, 22.06.2019 01:10
To find the inverse of a number a, one can use the equation f(c) = a-1/c=0 where c is the inverse of a use the secant method of finding roots of equations to find the inverse of a = 2.5 ,er = 0.001%
Answers: 3
Mathematics, 22.06.2019 03:20
Aconcession manager at yankee stadium wants to know how temperature affects beer sales. she took a sample of 10 games and recorded the number of beers sold and the temperature in the middle of the game. temperature 80 68 78 79 87 74 86 92 77 84 number of beers 20533 1439 13829 21286 30985 17187 30240 87596 9610 28742 a. draw a scatter plot of the data. b. the manager estimates the regression equation to be: numberofbeers = −100, 678 + 1, 513 ∗ temperature draw this on your scatter plot. c. for one of the estimated points, indicate the residual with ei . d. for that same point, indicate what part of the variation is explained by the model with ˆyi − y¯.
Answers: 2
Cho hình chóp S. ABCD có đáy ABC là tam giác vuông tại B, AB=b, BC=a^2, đường thẳng SA vuông góc với...
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