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Mathematics
08.02.2021 17:11
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In the following equation, what is the y-intercept? y = -3.1 +7 03 o7

In the following equation, what is the y-intercept? y = -3.1 +7 03 o7
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ysabel0420
ysabel0420
4,5(29 marks)

the y-intercept, b, is 7

Step-by-step explanation:

Compare the given y = -3.1 +7 to y = mx + b.  I must assume that you meant

y = -3.1x +7.  It becomes evident that the slope, m, is -3.1 and the y-intercept, b, is 7.

esigaran24
esigaran24
5,0(21 marks)

Cost Price = $1800

Step-by-step explanation:

Let cost price (CP) be x

Selling price(SP) = 1998

Profit = Selling price - cost price = 1998 - x

  profit \% = \frac{SP - CP}{CP}

       \frac{11}{100} = \frac{1998-x}{x}

     0.11 = \frac{1998}{x} - 1\\\\1 + 0.11 = \frac{1988}{x}\\\\1.11 = \frac{1998}{x}\\\\x = \frac{1998}{1.11} = 1800

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