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AURORKA [14]
3 years ago
7

A passenger train leaves the train station 5 hours after a freight train left the same station. The freight train is traveling 3

0 mph slower than the passenger train. Which equation helps to find the rate of each train, if the passenger train overtakes the freight train in three hours.
3r = 5(r - 30)


3r = 8(r - 30)

3r = 8(r + 30)

5r = 3(r - 30)
Mathematics
2 answers:
Pachacha [2.7K]3 years ago
5 0

Answer:

A. 3r=5(r-30)

Step-by-step explanation:

on edge :)

vitfil [10]3 years ago
4 0

Answer:

first one

Step-by-step explanation: doesnt mention the number 8 variable anywhere

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Which is greater V227 or 15?
Gnom [1K]

Answer:

sqrt (227) is greater than 15

Step-by-step explanation:

sqrt(227) = 15.066 which is larger than 15

7 0
2 years ago
1/4 (4r - 8) = r - 2
sasho [114]
Solve for r.

Use distributive property.

4/4r - 8/4 = r - 2

4/4 can be written as 1 and -8/4 can be written as -2.

r - 2 = r - 2

You have an infinite amount of solutions.

Hope this helps!

4 0
3 years ago
Please help I will mark brainliest
Mumz [18]

Answer:

10

Step-by-step explanation:

5 0
3 years ago
Estimate a 15% tip on a dinner bill of $79.24 by first rounding the bill amount to the nearest ten dollars.
belka [17]
$79.24 rounded to the nearest ten would be $80.00, and 15% of that is $12.00.

Hope it helps!
5 0
3 years ago
Given f(x) = 3x – 5, what is f(–4)?<br><br> A.7<br><br> B.-6<br><br> C.one-third<br><br> D.-17
Diano4ka-milaya [45]
Answer:
-17

Working
Replace -4 in the place of x in the function f(x)
F(-4)= 3(-4) - 5
f(-4) = -12 -5
f(-4)= -17
3 0
3 years ago
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