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erma4kov [3.2K]
2 years ago
9

PLEASE HELP I ONLY HAVE UNTIL 9:30 TO COMPLETE THIS (It's 9:07) PLEASE ANSWER ALL THREE!!!

Mathematics
1 answer:
Gekata [30.6K]2 years ago
5 0

Answer:

1 a 2d 3a

Step-by-step explanation:

hope this help even though I'm late

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multiply by 2.25
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3 years ago
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Answer:

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3 years ago
You are skateboarding at a pace of 30 meters every 5 seconds. your friend is in-line skating at a pace of 9 meters every 2 secon
AnnyKZ [126]

In order to graph the relationship, we will need to write the expression as the equation of a straight line as shown:

d = mt + b

d is the distance covered

t is the time taken

m is the speed

If you are skateboarding at a pace of 30 meters every 5 seconds. your friend is in-line skating at a pace of 9 meters every 2 seconds, this can be written as (5, 30) and (2, 9)

Get the slope of the line:

m = (9-30)/(2-5)

m = -21/-3

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The required equation to plot will be expressed as y = 7t - 5

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Learn more here: brainly.com/question/17003809

4 0
3 years ago
In a certain town, 22% of voters favor a given ballot measure. for groups of 21 voters, find the variance for the number who fav
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<span>c. 4.6
       
21 X .22= 4.6
       
Calculating the variance requires finding the product of 21 and 22%. To make this easier we convert 22% into it's decimal form and construct the equation. To back check this answer we can use 10% of 21 voters which equals 2.1% then double that amount to reach 4.2%, knowing that we now have a close approximation of the variance we can eliminate answers a, b, and d, leaving c as the only logical choice.</span>
5 0
3 years ago
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