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Harlamova29_29 [7]
3 years ago
5

One step equations word problems. I ONLY NEED 3-8!!!!

Mathematics
1 answer:
viva [34]3 years ago
5 0
3: 18
4: 17
5: 561
6: 17
7: 23
:)
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kAITLIN EANRS $6.50 FOR EACH HOUR SHE WORKS. ON FRIDAY SHE WORKED FOR 3 HOURS. SHE ALSO WORKED ON SATURDAY. IF SHE EARNED A TOTA
Stella [2.4K]
She worked for five hours on Saturday.

Step by step: 3 hours × $6.50= $19.50

then take the amount of money she made in total and subtract what she made on Friday to find how much she made on Saturday

$52 - $19.50= $32.50

Now take how much she made on Saturday and divide that by $6.50 to find how many hours she worked on Saturday

$32.50 ÷ $6.50= 5 hours
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2 years ago
Problem
Ganezh [65]

Explanation is in the file

tinyurl.com/wpazsebu

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3 years ago
Given that the mean of a data set is 25, and the standard deviation is 5, what is the Z-score of 15?
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100 POINTS!!!! PLEASE HELP ASAP!!! EXPLANATION WOULD BE GREATLY APPRECIATED!
Dmitrij [34]

Answer:

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Step-by-step explanation:

1)

x+3y=7

5x+11y=3

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Plug this x into the second equation and solve for y first

2)

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Since making any variable the subject would involve fractions, it's better to go for elimination

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would eliminate y

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While comparing cost and adjusting choices, a graph is a better approach because all the possibilities are right in front

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Step-by-step explanation:

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