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Studentka2010 [4]
3 years ago
5

Help pleaseeeeeeeeeeeeeeeeeeeeee

Mathematics
2 answers:
juin [17]3 years ago
3 0

Answer: draw a diagonal line

Step-by-step explanation:

like this:

since it's going up, it's a positive slope

emmasim [6.3K]3 years ago
3 0

Answer:

positive slope line : start from left, bottom and draw a line to top right. uphill

negative slop : start from left top and draw a line to the right bottom. downhill

undefined : draw a vertical line

0 slope : draw a horizontal line ↔

Step-by-step explanation:

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Answer:

See Attachment

Step-by-step explanation:

The graph of Y=5.5x will be a straight line passing through origin as shown in attachment.

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Step-by-step explanation:

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57.3333333333

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___     =      ______

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nika2105 [10]

Answer:

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Ksenya-84 [330]

<u>Part a)</u> Use a system of inequalities to model the scenario

Let

x-------> represent babysitting hours

y-------> represent tutoring hours  

we know that

x+y \leq20 --------> inequality 1  

6x+10y \geq 75 --------> inequality 2

<u>Part b)</u> Use the model created in part A to create a graph representing Jeanne’s probable income earned and possible number of hours worked this week

we know that

x+y \leq20 --------> inequality 1

This inequality represent Jeanne’s possible number of hours worked this week

Using a graph tool

the solution of this inequality is the shaded area

see the attached figure N 1

6x+10y \geq 75 --------> inequality 2  

This inequality represent Jeanne’s probable income earned this week

Using a graph tool

the solution of this inequality is the shaded area

see the attached figure N 2

<u>Part c)</u> Analyze the set of coordinate values that represent solutions for the model created in part A. Choose one of the coordinates within the solution and algebraically prove that the coordinate represents a true solution for the model

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x+y \leq20 --------> inequality 1

6x+10y \geq 75 --------> inequality 2

the solution of the system of inequalities is the shaded area

using a graph tool

see the attached figure N  3

Let

A(10,10) ------> see the attached figure N  3

The point belongs to the shaded area, so it is a system solution.

If the point is a solution, it must satisfy both inequalities.

<u>Prove algebraically </u>

A(10,10)

substitute the value of x and y in the inequalities

<u>inequality 1</u>

10+10 \leq20

20 \leq20 ------> is ok

<u>inequality 2</u>

6*10+10*10 \geq 75

160 \geq 75 -------> is ok

the point A satisfy both inequalities

therefore

the point A is a solution of the system

7 0
3 years ago
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