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Ganezh [65]
3 years ago
11

Cameron is designing a calendar as a fund raising project for math class. The cost of printing is $500, plus $2.50 per calendar.

Write an equation in slope intercept form that models the total cost of printing the calendar. Each calendar will sell for 5.00 each. Write an equation to model the total income , y , for selling x calendar
Mathematics
2 answers:
Alexus [3.1K]3 years ago
4 0

The <em><u>correct answers</u></em> are:

y = 2.50x + 500; and y = 2.50x - 500

Explanation:

In the first equation, x represents the number of calendars printed and y represents the total cost.  Each calendar costs $2.50 to print; this gives us the expression 2.50x.  We also have the $500 fee for printing, which gives us 2.50x + 500.  This is the total cost of printing, which is represented by y:

y = 2.50x + 500

For the second equation, x is the number of calendars sold and y is the total income.  Each calendar sells for $5; this gives us 5x.  However, we must take away the cost of printing.  We already know from the previous equation that the expression for the cost of printing is 2.50x+500; we take this away from 5x and have

y = 5x-(2.50x+500)

Distributing the subtraction sign, we have

y = 5x-2.50x-500

Combining like terms, we have

y = 2.50x-500

belka [17]3 years ago
3 0
Y = 2.5x - 500

I simplified it a bit, you could write it as y = 5x - 2.5x - 500
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Answer:

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Step-by-step explanation:

Method 1

You just have to plot each point on the graph.

The one that falls within the solution region is the correct choice.

From the graph, A(0,-2) falls within the solution region.

See graph

Method 2

If you substitute the points into the inequalities, the only point that will satisfy both inequalities simultaneously is A.

The first inequality is

y\:

If we substitute A(0,-2), we get;

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The second inequality is

y\:>\:x^2-6

If we substitute A(0,-2), we get;

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This gives,

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weqwewe [10]

Answer:

height for the building = 551.8 ft

Step-by-step explanation:

The info given describes the shape of a right triangle.

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Apply trigonometric function, TOA:

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