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juin [17]
3 years ago
9

Given f(x) = -5x + 1, solve for a when f(x) = -4.

Mathematics
1 answer:
sasho [114]3 years ago
7 0

Answer:

21

Step-by-step explanation:

-4(-5) = 20

20+1=21

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A nursing student works at a doctor's office for $15 per hour and tutors other students for $25 per hour.
k0ka [10]

The system of inequalities represents the given constraints will be x + y < 20 and 15x + 25y > 375.

<h3>What is inequality?</h3>

Inequality is defined as an equation that does not contain an equal sign. Inequality is a term that describes a statement's relative size and can be used to compare these two claims.

A nursing student works at a doctor's office for $15 per hour and tutors other students for $25 per hour.

Let x be the number of hours for the doctor's office and y be the number of hours for the tutor.

The student cannot work more than 20 hours each week.

      x + y < 20 ...1

15x + 25y > 375 ...2

The system of inequalities represents the given constraints will be x + y < 20 and 15x + 25y > 375.

More about the inequality link is given below.

brainly.com/question/19491153

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2 years ago
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2 years ago
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