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Ludmilka [50]
3 years ago
6

The distance Train A travels is represented by y=70x, where y is the distance in kilometers and x is the time in hours. What is

the unit rate of Train A?
Mathematics
1 answer:
s344n2d4d5 [400]3 years ago
7 0

Answer:

the unit rate is 70 miles per 1 hour

Step-by-step explanation:

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You are downloading a song. The percent y(in decimal form) of megabytes remaining to download after x seconds is y=-0.1x+1.
igomit [66]


I would make the equation have both of your variables on the same side:

0.1x+y=1

Then I would use the cover-up method and say that

x-intercept= 10

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*Cover-Up Method: If you were finding the X-intercept, you would just ignore the y variable and divide your whole number by x.

In this case the whole number is 1. 1/0.1=10

Vice Versa with finding the Y-intercept

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mary went to her local Zoo where 55% of it's exhibit feature reptiles if the zoo features 20 exhibits in total how many of the z
IceJOKER [234]
Hello!

To find this you have to find what 55% of 20 is

You can do this by doing 20 * 0.55

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This gives us the answer of 11

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3 years ago
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Ashley had a doll collection consisting of 43 dolls. As she got older she ended up selling some. She only kept her
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Answer:

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The average of Aaron's three test scores must be at least 93 to earn an A in the class. Aaron scored 89 on the first
victus00 [196]

Answer:

Aaron must obtain a 96 or higher to achieve the desired score to earn an A in the class.

Step-by-step explanation:

Given that the average of Aaron's three test scores must be at least 93 to earn an A in the class, and Aaron scored 89 on the first test and 94 on the second test, to determine what scores can Aaron get on his third test to guarantee an A in the class, knowing that the highest possible score is 100, the following inequality must be written:

93 x 3 = 279

89 + 94 + S = 279

S = 279 - 89 - 94

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Thus, at a minimum, Aaron must obtain a 96 to achieve the desired score to earn an A in the class.

4 0
3 years ago
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