Mathematics, 21.09.2021 03:50 savag3jitt
Cho tam giác ABC cân tại A, M là điểm bất kì ( M € AB ) lấy N thuộc tia đối CA ; CN=BM vẽ ME; NF lần lượt vuông góc với BC ; MN giao BC tại I
a) Chứng minh IE=IF
b) Lấy D thuộc AC ; CD=CN. Chứng minh BMDC là hình thang cân
Answers: 1
Mathematics, 21.06.2019 14:20
Which function families have maximums and minimums? 1.)linear absolute value functions and exponential functions 2.) linear absolute value functions and quadratic functions 3.) linear absolute value functions and linear functions 4.) linear absolute value functions and constant functions
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Mathematics, 21.06.2019 20:00
Which fraction is equal to 1hole and 2/5? a.3/5 b.75 c.57 d.73
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Mathematics, 21.06.2019 21:30
Data from 2005 for various age groups show that for each $100 increase in the median weekly income for whites, the median weekly income of blacks increases by $105. also, for workers of ages 25 to 54 the median weekly income for whites was $676 and for blacks was $527. (a) let w represent the median weekly income for whites and b the median weekly income for blacks, and write the equation of the line that gives b as a linear function of w. b = (b) when the median weekly income for whites is $760, what does the equation in (a) predict for the median weekly income for blacks?
Answers: 2
Cho tam giác ABC cân tại A, M là điểm bất kì ( M € AB ) lấy N thuộc tia đối CA ; CN=BM vẽ ME; NF lần...
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