Cho tam giác ABC cân tại A có BC=5cm, AC=20cm, đường phân giác BD a) Tính độ dài AD, DC
b) Tính độ dài BD

Will give brainliest series to sigma notation write the following series in sigma notation. 6+10+14+18+22+26+30 example image shown below.

The contents of 3838 cans of coke have a mean of x¯¯¯=12.15x¯=12.15. assume the contents of cans of coke have a normal distribution with standard deviation of σ=0.12.σ=0.12. find the value of the test statistic zz for the claim that the population mean is μ=12.μ=12.

What situation is an example of an observational study