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Minchanka [31]
3 years ago
5

MATH can somebody help me with these questions?

Mathematics
1 answer:
Dmitriy789 [7]3 years ago
6 0
I’m learning this in class as well
Ok so basically you just need to find 2 random points so like (30,100) and (20,30)
And my question for you is do you know the equation format?

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Katie selling lemonade for $1.50 per cup she decides to put them on sale for $.90 what percent discount did she give on her lemo
sergeinik [125]
$1.50- $0.9
=$0.6

Percent discount=
$0.6/$1.5 x 100
=40%

Check answer=
40/100 x $1.5
=0.6

$1.5- $0.6 = $0.9

(I hope this solution help!)
5 0
4 years ago
Three cars are driving on a racetrack. The mean speed of the three cars is 100 miles per hour. Car X drives 101 miles per hour a
evablogger [386]

Answer:

Less than 100. Z=83

Step-by-step explanation:

The mean is the average found by adding the sum of the data points and dividing by the number of them. Here there are 3 cars whose speeds are 101, 116, and Z or unknown. The mean of them is 100. Solve for Z.

100 =(101+116+Z)/3

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83=Z

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3 years ago
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If you spend $9.50, will you get a free greeting card? Use the graph to explain how you know.​
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