Answer: 224 pi
Explanation: pi x 15 squared
Answer:
Total points were 110.
Step-by-step explanation:
90/100*x=99
9/10*x=99
=x=99*10/9
=x=11*10
=110
Answer:
y = 3 + 0.40x
Step-by-step explanation:
Fixed cost of taxi fare = $3
Additional cost = $0.40
Let
y = Total cost
x = number of kilometers
The equation:
Total cost = Fixed cost of taxi fare + (Additional cost * number of kilometers)
y = 3 + 0.40x
Answer:
r = 3
Step-by-step explanation:
− 3 ( 6 r + 2 ) + 5 ( r + 1 ) = − 40
- 18r - 6 + 5 ( r + 1 ) = - 40
- 18r - 6 + 5r + 5 = - 40
-13r - 1 = - 40
-13r = - 39
r = 3
The answer is 7. You need to use BIDMAS - Brackets Indices Division Multiplication Addition Subtraction