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mario62 [17]
3 years ago
12

I need help with this questions

Mathematics
1 answer:
Keith_Richards [23]3 years ago
8 0
QS=7x-1
BC=5x-19
I think so...

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If someone finished watching a movie at 1:10 pm and the movie was 1 hour and 38 minutes long what time did the movie start
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Step-by-step explanation: 11:32

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The diameter of a small gear is 16 cm.This is 2.5 cm more than 1/4 of the diameter of a larger gear.What is the diameter of the
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3 years ago
Anyone know this?? i need help!
Alex777 [14]

Answer:

45.50(7/10)

Step-by-step explanation:

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Some descriptive statistics for a Set of test scores are shown above for this test a certain student has a standardized score of
Serggg [28]

Complete Question

The complete question is shown on the first uploaded image

Answer:

The score of the student is  x = 779.42

Step-by-step explanation:

Generally we can mathematically represent the z-score as

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substituting 1045.7 for the Mean, 221.9 for the stDev and -1.2 for z we have  

          -1.2 =  \frac{x - 1045.7 }{ 221.9}

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=>     x = 779.42

7 0
3 years ago
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