Answer:
Step-by-step explanation:
<u>Total number of integers from 300 through 780, inclusive:</u>
<u>Number of integers with at least one of digit 1:</u>
- Hundreds - 0,
- Tens - 5*10 = 50 (31th, 41th, 51th, 61th, 71th)
- Units - 4*9 + 7 = 43 (300 till 699 and 700 till 780)
- So in total 50 + 43 = 93
<u>The probability is:</u>
- P = favorable outcomes/total outcomes = 93/481
Answer:
x=30
Step-by-step explanation:
x+2x+3x=180
6x=180
x=180/6=30
Answer:
D
Step-by-step explanation:
Answer:
perimeter of a square= 4 times square root of area

Answer:
F
Step-by-step explanation:
The perimeter of the scale drawing is 18 inches. 72 divided by 18 is 4.
I hope this helps!