Ananya swims 10 miles at each of her practice sessions. How long is a practice session if she swims at an average speed of three times slower than m miles per hour?

d. bc = 12 and ef = 16

step-by-step explanation:

we are given that δabc : δdef such that .

also, it is given that

so, from the options, we need that .

a.

b.

c.  

d.

as, we can see that only option d gives the same ratio as i.e. .

hence, the possible lengths are bc = 12 and ef = 16.

21

step-by-step explanation:

↓↓↓↓↓↓↓↓↓

step-by-step explanation:

this is a parabola.

sometimes it can be so they can fit in with a certain group, and others are just like that because of their personality.