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Mariana [72]
3 years ago
11

Macy is tutoring students in mathematics during her summer break. She charges $20 for a 30 minute session and $35 for an hour. T

he graph shows the number of 30 minute and 1 hour sessions she needs to have in order to make $280.
During her first week of tutoring, she only has 1 hour sessions, but makes exactly $280. How many tutoring sessions did Macy have during the first week?
Mathematics
1 answer:
Zanzabum3 years ago
7 0
If she only had 1 hour sessions she had 8 sessions in the first week because if you do 35 times 8 you get 280. 
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Answer: k = - 6.6667

Step-by-step explanation:

this is quite very simple to begin. I would encourage you take other practice questions similar to help with understanding it.

let us begin.

Given that ;

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dT/dt = 5 degrees Celsius per minute    when T = 70

so we have that, 5 = k ( 25 - 70)

remember to convert 5 degree celsius per minute to seconds

we have that;

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k = 5*60 / ( 25 - 70)

k = - 6.6667

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cheers i hope this helps!!!

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3 years ago
Is 7/20 and 0.07 equivalent numbers
IceJOKER [234]
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Effectus [21]

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zysi [14]

The corresponding range of the domain is (11, -4, -29)

<h3>How to determine the range?</h3>

The function is given as:

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Substitute these values in y = 1 - 5x

y = 1 - 5(-2) = 11

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Hence, the corresponding range of the domain is (11, -4, -29)

Read more about domain and range at:

brainly.com/question/1632425

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