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meriva
3 years ago
12

Larry is making custom signs to sell at his shop. The cost of making each sign is $50 plus $4.50 per sign, he will sell them for

$15 each. Find the number of signs he must sell to make a profit
Mathematics
1 answer:
Valentin [98]3 years ago
8 0

The best way to answer this would be making a graph


For 1 sign it costs 54.50 and he makes 15

For 2 signs it costs 59 and he makes 30

For 3 signs it costs 63.50 and he makes 45

For 4 signs it costs 68 and he makes 60

For 5 signs it costs 72.50 and he makes 75


This means that after 5 signs Larry will be making profit

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7 0
3 years ago
Write the slope-intercept form of the line that passes through (-10,17) and (5,-4)
luda_lava [24]

Answer:

y = 7/5 x + 31

Step-by-step explanation:

To find the slope, we need to use the formula

m = (y2-y1)/(x2-x1)

m =(-4-17)/(5- -10)

   = -21/(5+10)

  = 21/15

Divide the top and bottom by 3.

  = 7/5

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Using the point slope form of the equation,

y-y1 = m(x-x1)

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Distribute the 7/5 ths.

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Add 17 to each side

y = 7/5 x + 14 + 17

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