Draw a number line
Draw all points between (-6) and 3
Draw 3 pairs of points which have the same distance from the origin 0
Hẹp mi...
Hãy nhập câu hỏi của bạn vào đây, nếu là tài khoản VIP, bạn sẽ được ưu tiên trả lời.
Refer
XI. Read the text below and think of the word which best fits each space. Use only ONE word in each space. (20 points)
Almost all people have a (1) ____fear_________of examinations. Examinations, (2)____however __________, are a part of our lives and all school in Viet Nam have examinations. Examinations were first (3)______held_______ in China about three thousand years ago. Scholars had (4)____to_________ memorise long passages (5)_____taken________ from several books. Those who did well in examination (6)_........ were......... allowed to enter the government service. Nowadays, the main (7)____ purpose_______ of examination is to test (8)______how_________ well a person understands the subjects which have been (9)____taught_________ . They are also used to find out how well student perform (10)___under__________ pressure.
Given 100 points with any 3 points non-aligned. Draw all the line passing through any 2 of these points. How many lines are there?
This is my exercise:
It is just 1 point in 99 straight draw with 100 points remaining. So with 100 points, with all 99.100
As each line is repeated 2 times so have all :
99.100 / 2 = 4950 (lines)
Answer: 4950 lines.