Starting at the same point, Tom and Juanita go biking in opposite directions. If Tom rides at a speed of 20 mph, and Juanita rides at a speed of 18 mph,

4 answers
Question:

Starting at the same point, Tom and Juanita go biking in opposite directions. If Tom rides at a speed of 20 mph, and Juanita rides at a speed of 18 mph, how far apart will they be in 2 hours? 86 miles
76 miles
56 miles
38 miles
Plz help me :)

Answers

hello from mrbilldoesmath!

answer:

25x^2 + 90x + 84

discussion:

mn(x) = m(n(x)) = m( 5x + 9) =

(5x + 9)^2 + 3 =>

25x^2 + 90x + 9^2 + 3 =

25x^2 + 90x + 84                 (as 9^2 = 9*9 = 81)

which is the second choice

regards,  

mrb

p.s.   i'll be on vacation from friday, dec 22 to jan 2, 2019. have a great new year!

a

step-by-step explanation:

strong negative correlation

Ineed on quadratic equations to solve problems
[tex]In the diagram below, what is the approximate length if the minor arc de?[/tex]

4hours and 40 mins she would be 120 meters high

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