Question

Fan & Medal (need a 100%)


Derrick and Mark are brothers who live in the same house. Mark is home, and Derrick is 5 mi from home. Both boys begin riding their bikes at the same time. Derrick rides directly home at a constant rate of 15 mph, and Mark rides away from home at a constant rate of 18 mph.

Let d represent distance from home, and let t represent time in hours.

Which system models this situation?


A.
d = 5 − 15t
d = 18t

B.
d = 15 − 5t
d = 18t

C.
d = 5 + 15t
d = 18t

D.
d = 5 − 15t
d = 5 + 18t

Answer 1

I think it's A?

Answer 2

from k12 im guessing i am too and um what grade is this

Answer 3

Yes and 8th

Answer 4

oh m in 6th but i know someone who can help he has 99 smartscore @bibby

Answer 5

Oh thanks

Answer 6

your welcome and do you have steam on your pc or your device

Answer 7

yea it's xxseniaxx

Answer 8

by device i mean tablet phone ect

Answer 9

I have it on my desktop lmao

Answer 10

yes , it is a.

Answer 11

thanks i sent myn in a fan testimonial

Answer 12

what is the fan testimonial?

Answer 13

and could you also send your stem name in a message im not on my pc myn broke down im on my moms laptop and a fan testimonial is a thing you write to a person you fan but its optional

Answer 14

okay. Thank-you and you talking about real which is Joshua Perdomo.