Advertisements
Advertisements
Question
Find the value of 2a + 4b + 5c, when a = 5, b = 10 and c = 20
Advertisements
Solution
2a + 4b + 5c
= 2 × 5 + 4 × 10 + 5 × 20
= 10 + 40 + 100
= 150
RELATED QUESTIONS
Fill in the blank, when:
x = 3, y = 6, z = 18, a = 2, b = 8, c = 32 and d = 0.
z ÷ x = ..................
Fill in the blank, when:
x = 3, y = 6, z = 18, a = 2, b = 8, c = 32 and d = 0.
d ÷ x = ..................
If x = 2, y = 5 and z = 4, find the value of the following:
xy ÷ y2z
Simplify:
12x − (5x + 2x)
Simplify:
3x − [5y − {6y + 2 (10y − x)}]
Fill in the blank:
a + b − c + d = a + (...............)
Fill in the blank:
2t + r − p − q + s = 2t + r − (..................)
If x = a2 – bc, y = b2 – ca, and z = c2 – ab; find the value of ay – bx + cz
Multiply and then evaluate:
(x2 – y) and (xy – y2); when x = 1 and y = 2.
Value of 10 - z² substituting z = 2:
