Question

60.Compute each of the following:


(a)30 + (–25) + (–10)

(b)(–20) + (–5)

(c)70 + (–20) + (–30)

(d)–50 + (–60) + 50

(e)1 + (–2) + (– 3) + (– 4)

(f)0 + (– 5) + (– 2)

(g)0 – (–6) – (+6)

(h)0 – 2 – (–2)

61.If we denote the height of a place above sea level by a positive integer and depth below the sea level by a negative integer, write the following using integers with the appropriate signs:

(a)200 m above sea level

(b)100 m below sea level

(c)10 m above sea level

(d)sea level

62.Write the opposite of each of the following:

(a)Decrease in size

(b)Failure

(c)Profit of Rs.10

(d)1000 A.D.

(e)Rise in water level

(f)60 km south

(g)10 m above the danger mark of river Ganga

(h)20 m below the danger mark of the river Brahmaputra

(i)Winning by a margin of 2000 votes

(j)Depositing Rs.100 in the Bank account

(k)20°C rise in temperature. 63.Temperature of a place at 12:00 noon was +5°C.


Temperature increased by 3°C in first hour and decreased by 1°C in the second hour. What was the temperature at 2:00 pm?

please answer all its important for me ​

Answer 1

Answer:

hshsisbsksjss*55446

Step-by-step explanation:

*5466+-446464$55555fshsfsga