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polet [3.4K]
1 year ago
14

Look at the pic below an help pls

Mathematics
1 answer:
GarryVolchara [31]1 year ago
4 0

Answer:

y=2/3(x-3)^2+1

Step-by-step explanation:

The parent function of a parabola is y=x^2:

The transformation of this graph shows the parabola is shifted to the right 3 and up 1 so we apply that to our equation y=(x-3)^2+1

to solve the stretch factor:

y=a(x-3)^2+1

we can see when x=0 y=7 so we use this set

7=a(0-3)^2+1

7=a(-3)^2+1

-1            -1

6=9a

divide by 9

a=2/3

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<h2>The required percentage is 65.45%.</h2>

Step-by-step explanation:

The total costing is 1000 \times 1.10 = 1100

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There are (1000 - 350) = 650 lapel pins remaining.

60% of 650 = \frac{60}{100} \times 650 = 390 werre sold for 3.00 each. Hence, earning from here is 390 \times3 = 1170.

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Total earning is (1170 + 650) = 1820.

Profit percentage = \frac{1820 - 1100}{1100} \times100 = \frac{720}{11} = 65.45

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