math problems using grouping symbols such as brackets and parentheses make the following statement true 2 49 9 9 1 * 5 35

It is a vertical stroke put to represent a particular score. After 4 vertical strokes the fifth stroke is drawn across them to make a bunch of five. This makes the totalling easier. If the number of scores is large, then the range is divided into a number of classes. ..

The table shows the percentages of the female and male populations who became the members of a social organisation in certain years from 1955 onwards. Which of the following is true for the given data? Year 1955 1960 1965 1970 1975 1980 1985 1990 1995 2000 Women(%) 38.7 40.7 42...

) The class mark or mid point of class is Sometimes class marks rather than classes are given for a frequency table. Consider the case: By observing the class marks 13, 18, 23, it is obvious that the class interval is 5. Therefore, classes can be obtained as in Table (a) 11 - 15, 16 - 20,..

(ii) If 2 x + 2 = 128, find the value of x. (iii) Simplify: (iv) Simplify: (v) Show that (x p - q ) p + q (x q - r ) q + r (x r - s ) r + s = 1 (vi) 49 7 x = (343) 2 x - 5 find 'x'. (i) Given expressio..

Express the expression with as few square root symbols as possible and no parentheses. 3 5 - 3 3 · 7 7 - 9 2 1 => 3 5 - 30 2 1 or 3 5 - 12 2 1 or 3 5 - 2..

Which of the following statement(s) is/are true? I. The mode for the traffic fatalities for 10 selected states in a specific year (1488, 1586, 4192, 1031, 645, 74, 158, 875, 3360, 325) is zero. II. The mode is not always unique for a data set. III. The midrange of ..

Normally propositions are joined by 'OR', 'AND', 'NOT', 'IF .. THEN..' and 'IF AND ONLY IF' called the logical connectives . They are symbolised as follows: If two or more statements are combined by the use of words like 'AND', 'OR', 'IF AND ONLY IF ', th..

In an experiment the concrete blocks are tested for its withstanding capacity against corossion in a solution of hydrochloric acid. The reaction time (in seconds) are as recorded. Reaction time (in seconds) Number of blocks 2.1 - 2.7 12 2.8 - 3.4 13 3.5 - 4.h..

The grade - point average (GPA) of 10 students in two subjects are as follows: Student A B C D E F G H I J Subject I 2.0 2.2 2.3 2.1 2.4 2.6 2.7 3.5 3.2 3.9 Subject II 2.2..

>As the distance is unknown, let x be the distance in kilometres and is the time in hours taken by the 1 s t walker to cover the distance x. is the time in hours taken by the 2 n d walker to cover the same distance x. According to the terms of the problem, 4x - 3x = 36..