subject
Mathematics, 17.06.2021 19:10 dubose8872

Cho hàm số bậc nhất: y = (m-2)x + m + 1 Đồ thị hàm số cắt trục hoành tại A, cắt trục tung tại B (A và B không trùng với gốc tọa độ O). Gọi H là chân đường cao hạ từ O của tam giác OAB. Xác định giá trị của m, biết OH= √2

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 15:00
What kinds of numbers make up the set of numbers called the real numbers? give examples when you explain a number type. there are a limited set of types of numbers, but an unlimited number of examples of these numbers.
Answers: 3
question
Mathematics, 22.06.2019 03:00
At the beginning of the year, adrian's savings account balance was \$28$28. each week, he deposits another \$15$15 into that account, and he doesn't spend any of his savings. is his savings account balance proportional to the number of weeks since the start of the year?
Answers: 1
question
Mathematics, 22.06.2019 04:10
You are in charge of the customer service phone line with many employees. at the end of each phone callthe customers are asked to rate their service from 1 to 5 stars, with 5 being the best. you find the averagerating for 20 randomly selected employees and decide you want to improve the ratings so you require thoseemployees to go through a new training program. you then wait a week and find the new average rating foreach employee. the average change is an increase in 1.3 stars with a standard devation of .9 stars.(a) is this data paired or not paired? (b) what are the null and alternative hypothesis being tested? (c) what is the t-statistic you would use? write the general formula and the final calculation.(d) sketch a t-distribution, label your t-statistic and the probability you would be interested in:
Answers: 2
question
Mathematics, 22.06.2019 05:20
Abc is dilated by a scale factor of 3 with the origin as the center of dilation, resulting in the image a'b'c'. if the slope of line ab is -1.2, what is the slope of line a'b'? a. -1.2b. 3.6c. 1.2d 1.8
Answers: 1
You know the right answer?
Cho hàm số bậc nhất: y = (m-2)x + m + 1 Đồ thị hàm số cắt trục hoành tại A, cắt trục tung tại B (A v...
Questions
question
Biology, 16.07.2019 03:30
question
Mathematics, 16.07.2019 03:30
Questions on the website: 13722367