Answer:
19.40
Step-by-step explanation:
Answer:
465
Step-by-step explanation:
1 + 2 + 3 + ... + n = n(n + 1)/2
1 + 2 + 3 + ... + 30 = 30(31)/2 = 465
Answer:
0.01
Step-by-step explanation:
300 seconds = 2.75 pies
1 second = (1/300) × 2.75
= 0.009167
Approximately, 0.01 pie
1.


Multiply both sides by x:

Subtract from both sides Gx:

Then solve this equation:

2.


Multiply both sides by x:

Subtract from both sides Gx:

Then solve this equation:
I think multiplication but I’m not sure sorry