Mathematics
The temperature in a hill station on Tuesday morning was 3°C below zero. By afternoon, the temperature rose by 8°C.
(a) Represent the morning temperature and the change using integers
(b) What was the temperature in the afternoon?
Integers
1 Like
Answer
(a) “3°C below zero” is represented as the integer -3°C (morning temperature).
A rise of 8°C is represented as the integer +8°C (the change).
(b) Afternoon temperature = morning temperature + change
⇒ Afternoon temperature = -3 + 8
⇒ Afternoon temperature = 5°C.
Answered By
1 Like
Related Questions
Round off the following numbers:
(a) 6,847 to the nearest 100
(b) 94,562 to the nearest 1000
(c) 7,83,456 to the nearest 10000
Show that multiplication is distributive over addition for whole numbers using the numbers 8, 5 and 3.
Write the set of all even numbers between 1 and 15 in:
(a) Roster form (b) Set-builder form
Simplify and express it in lowest terms. Compare and using cross multiplication.