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aniked [119]
3 years ago
13

A train travel 20 miles in 15 minutes 40 miles in 30 minutes and 60 miles in 45 minutes which equation represents the speed of t

he train in miles per hour
Mathematics
2 answers:
Verizon [17]3 years ago
6 0

Answer:

y = 80x

Step-by-step explanation:

In 30 minutes the train went 40 ml so in an hr the train would be at 80 ml

ExtremeBDS [4]3 years ago
4 0
Every 20 miles it went 5 minutes slower
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You start at (7, 2). You move up 5 units. Where do you end?
tankabanditka [31]

Answer:

(7,7)

Step-by-step explanation:

Because going up would be moving along the y-axis, then you would add 5 to the Y value which was 2 so therefore, if you move up 5 you'll be at (7,7).:)

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3 years ago
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2. At the local park, there is an annual fair that
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Answer:

132 children and 88 adults

Step-by-step explanation:

let x represent the amount of kids and y represent the amount of adults.

since the problem says there was a total of 220 people at the fair an equation can be made

x+y=220

the problem tells that each childrens ticket was 1.5$ and each adult ticket was $4 and that a total of $550 was made that day, we can use the knowledge to make an equation:

1.5x + 4y = 550

using the equations we can make this systems of equations:

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solve the systems of equations by subracting y on both sides of th bottom equation:

x=220-y

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y=88  - there were 88 adults

substute 88 for y in the second equation

x+88=220

--solve for x--

x=138 - there were 132 children

7 0
2 years ago
A cab service charges $4 plus $1.50 per mile. Kate wants to spend no more
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b

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3 0
2 years ago
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What is 2/3 1/10 equal to?
bogdanovich [222]
I think it's could be wrong though 5/10
6 0
3 years ago
-10(x+12)-11x.........................,............
NNADVOKAT [17]
-10x -120-11x
combine like terms so -10-11= -21x-120
7 0
2 years ago
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