To find the value of the expression t^3 - r + 20 ÷ r when r = 4 and t = 2, we substitute the values into the expression:
2^3 - 4 + 20 ÷ 4
= 8 - 4 + 20 ÷ 4
= 8 - 4 + 5
= 4 + 5
= 9
Therefore, the value of the expression is 9.
The correct answer is 1. 9.
Find the value of the expression below for r = 4 and t = 2.
t3 – r + 20 ÷ r
1. 9
2. 72
3. 6
4. 40
1 answer