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Karolina [17]
3 years ago
9

This is the last problem, Math was never my best subject ^^´´. Please And Thank Youu!

Mathematics
2 answers:
Lady_Fox [76]3 years ago
5 0

Answer:

  • 15t +45 = 120
  • 5 hours

Step-by-step explanation:

Let t represent the number of hours of lessons Audrey can take. Then 15t will be the cost of the lessons. Her total cost will be ...

  15t +45 = 120 . . . an equation

  15t = 75

  t = 5

Audrey can afford 5 hours of lessons.

Klio2033 [76]3 years ago
4 0
The correct answer is : T=5
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seraphim [82]

Answer:

0+=x^2-3x+18

Step-by-step explanation:

I'm smort- but if its wrong I apologize

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3 years ago
How can one variable equations have more than one solution in some cases and no solutions in others?
yawa3891 [41]

Answer:A system of linear equations usually has a single solution, but sometimes it can have no solution (parallel lines) or infinite solutions (same line).

Step-by-step explanation:

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4 years ago
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These four numbers are plotted on a number line: -2/3, 5/8, -3/5, and -1/2. Which is the correct ordering on the number line fro
stiks02 [169]

Answer:

-2/3 ; - 3/5 ; - 1/2 ; 5/8

Step-by-step explanation:

Given that:

We could convert the numbers to decimal to obtain a better view of the values :

-2/3 = - 0.66666

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5 0
3 years ago
a class has 60 students.Given that 85% passed a science test. Find the number of students who failed and then convert o %
Vanyuwa [196]

Given:

Total students = 60

Student passed = 85%

To find:

The number of students who failed and  then convert it in %.

Solution:

We have,

Number of passed student = 85% of Total students

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                                            = 51

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Number of students who failed = Total students - Passes students

                                                    = 60-51

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So, number of students who failed is 9.

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7 0
3 years ago
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Answer:

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Step-by-step explanation:

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