Pak Hasan membuat sebuah kerangka etalase berbentuk balok dengan ukuran 2 m x 50 cm x 30 cm yang terbuat dari alumunium. Jika harga alumunium Rp30.000,00 per meter, biaya yang diperlukan untuk membuat kerangka etalase tersebut adalah ….

11. minitab software was used to find the lsrl for a study between x=age and y=days after arthroscopic shoulder surgery until an athlete could return to their sport. use the output to determine the prediction model and correlation between these two variables. predictor coef se coef t p constant -5.054 4.355 -1.16 0.279 age 0.2715 0.1427 1.9 0.094 r-sq = 31.16%

Find the center and the radius of the circle with the equation: x^2-2x+y^2+4y+1=0?

Ineed i been stuck on this question since yesterday