Chemistry, asked by khushi4039362, 2 months ago

substract 2x-y-12 from the sum of 3x-2y+10 and -y-15.​

Answers

Answered by srikanthkarangolla44
1

Answer:

Workshme 3

1. Write the following rational numbers in standard form.

(

33

77

-105

64

-20

27

15

(iv)

98

2. Find x such that the rational numbers in each of the following pairs, become equivalent.

Х

9

- 5 10

Х

8

36

(1)

2

(iv)

- 35

6 12

Check whether the following rational numbers are in standard form. If not, write them

in standard form.

t

8

(0)

3

19

(1)

14

35

(iv) -72

7

4. Fill in the blanks.

8

36

84

105

-

-63

Hil.

How

Il

(1)

11

5

-11

Il

9

-99

BSOLUTE VALUE OF A RATIONAL NUMBER

We have studied in Class-Vl that absolute value of an integer is its numerical value without

king the sign into account, e.g. 1-31 = 3,131 = 3,01 = 0

Tho acolute value of a rational number is written in the following way

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