ABC- DEF if the length AB is 5 , and the scale factor is 2.5 what is the length DE? Help me !!!

Step-by-step explanation:

ΔABC ~ ΔDEF

DE = 5 × 2.5 = 12.5

the expected value of the random variable : 0, 1 and 2

step-by-step explanation:

7! = 7×6×5×4×3×2

3! = 3× 2

as 7! is multiple of 3! because 7! contains 3! that is 3× 2 as factor

so 7! /(3! ) = 7× 6× 5× 4

= 42 × 20

= 840

its b) 840✌✌✌

dhruv⭐