Điểm) Một ô tô đi từ A đến B với vận tốc 48km/giờ. Một xe máy đi ngược chiều từ B đến A với vận tốc 34km/giờ. Cả hai xe cùng xuất phát lúc 6 giờ 15 phút và gặp nhau lúc 8 giờ 45 phút. Tính độ dài quãng đường AB.

Which shows the correct solution of the equation 1/2a+2/3b=50, when b=30?

This stem-and-leaf plot represents the heights of the students on ralph's basketball team. one student's height is missing from the plot. if the mean height of all the students on the team is 61 inches, what is the missing height? a. 55 in. b. 59 in. c. 61 in. d. 65 in.

Formulate the indicated conclusion in nontechnical terms. be sure to address the original claim. the foundation chair for a hospital claims that the mean number of filled overnight beds is over 523, and she is therefore justified starting a funding campaign to add a wing to the hospital. assuming that a hypothesis test has been conducted and that the conclusion is failure to reject the null hypothesis, state the conclusion in nontechnical terms.