Answer:
side is 35
Step-by-step explanation:
use pythagoream theroem
21^2 +28^2 = c^2
441+784=c^2
1225 = c^2
take the square root
c=35
the side is 35
A fraction is just a short way to WRITE a division problem. It means "the top number divided by the bottom number". Take the two numbers from the fraction, DO the division, and you get the decimal.
Answer:
A ray is a part of a line.
Step-by-step explanation:
yes
Answer:
(9 × 3x+7) - (5 × x+2)
Step-by-step explanation:
Red area
9 × 3x + 7
white area
5 × x+2