Answer:
5/21
Step-by-step explanation:
1/7 + 2/21 = ?
lcd of 7 and 21 is 21 so;
( 2/21 x 1/1) + 1/7 x 3/3) = 5/21
Answer:
293 feet per second
Step-by-step explanation:
1056000 feet per hour
1 hour = 60 minutes
1056000 divided by 60 = 17600 feet per minute
1 minute = 60 seconds
17600 divided by 60 = 293 feet per second
0.4 inches because of the scale
The answer would be 2.83 because you'd round the .82 up to .83 because of the 8 in the thousandths place.
Answer:
-a+2
Step-by-step explanation:
-2a+a+7-5
=-a+2