Answer:
20:50
Step-by-step explanation:
2:5
They got 20 by multiplying 2 by 10 so we multiply 5 by 10 which is 50
34
C. 18/24 and 6/12 is proportional
Its mass decreased 40%
6.5 - 3.9 = 2.6
2.6 / 6.5 = 0.4
0.4 = 40%
the other leg = 2 root 14, which is roughly 7.48331 cm
9squared = 5squared + x
81-25=xsquared
squareroot 56 = 2 root 14