This English question involves literary analysis, grammar, or writing skills. The detailed response below provides a well-structured answer with supporting evidence and clear explanations.
ScanSolve AI Answer
Hello! Best wishes for your exam. Here is the step-by-step solution for all questions in Exercise 3.1: 1. Identify positive and negative integers: Integers are numbers that can be positive, negative, or zero, but they do not have any fractional or decimal parts. 1(a) 4, (3)/(2), (+2), +7, 0, -5 Step 1: Identify the integers from the given numbers. (3)/(2) is a fraction and not an integer. Step 2: Classify the integers based on their sign. Positive integers: Integers greater than zero. Negative integers: Integers less than zero. Zero: It is neither positive nor negative. Answer: Positive integers: 4, (+2), +7 Negative integers: -5 Neither positive nor negative: 0 1(b) -11, 51, 4.5, (6)/(7), -7, (5)/(8) Step 1: Identify the integers from the given numbers. 4.5, (6)/(7), (5)/(8) are fractions or decimals and not integers. Step 2: Classify the integers based on their sign. Answer: Positive integers: 51 Negative integers: -11, -7 2. Write the opposite of the following: The opposite of any statement means its inverse meaning. 2(a) Increase in weight by 10 kg Step 1: The opposite of "increase" is "decrease". Answer: Decrease in weight by 10 kg* 2(b) Going towards West Step 1: The opposite of "West" is "East". Answer: Going towards East* 2(c) -80 Step 1: The opposite of a number is the same value but with the opposite sign. Answer: +80* 2(d) 100 m above sea level Step 1: The opposite of "above" is "below". Answer: 100 m below sea level* 2(e) Loss of ₹500 Step 1: The opposite of "loss" is "gain" or "profit". Answer: Profit of ₹500* 2(f) Violence in the country Step 1: The opposite of "violence" is "peace". Answer: Peace in the country* 3. Write the numbers used in the following using the sign (+ or -): 3(a) An aeroplane is flying at a height of two thousand five hundred meters above the ground. Step 1: Being "at a height" or "above" is represented by a positive sign (+). Answer: +2500 m 3(b) A submarine is moving at a depth of 800 m below sea level. Step 1: Being "at a depth" or "below" is represented by a negative sign (-). Answer: -800 m 3(c) Temperature 10^ C above 0^ C. Step 1: Being "above" is represented by a positive sign (+). Answer: +10^ C 3(d) Depositing ₹100 in the bank. Step 1: "Depositing" (i.e., an increase in the account) is represented by a positive sign (+). Answer: +₹100 3(e) Loss of ₹100. Step 1: "Loss" is represented by a negative sign (-). Answer: -₹100 4. What is represented by the following? 4(a) +10^ C (if -10^ C represents temperature below 0^ C) Step 1: If a negative sign (-) represents "below", then a positive sign (+) will represent its opposite, which is "above". Answer: This represents a temperature of 10^ C above 0^ C.* That's 2 down. 3 left today — send the next one.