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svetoff [14.1K]
2 years ago
14

Please help i will give brainly?

Mathematics
1 answer:
Eva8 [605]2 years ago
3 0
Answer: $141.75

Explanation:

8:00-> 12:00= 4 hours

12:45->17:30= 5.45 hours

4+5.45=9.45 hours

9.45 x 15 = 141.75
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f(x)=1+1.5ln(x+1)

When f() = 10 we have:

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3 years ago
Help please, tank u :)
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Answer:

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x(x + 2) = 15 \\  \\  {x}^{2}  + 2x = 15 \\  \\  {x}^{2}  + 2x - 15 = 0 \\  \\  {x}^{2}  + 5x - 3x - 15 = 0 \\  \\ x(x + 5) - 3(x + 5) = 0 \\  \\ (x + 5)(x - 3) = 0 \\  \\ x + 5 = 0 \: or \:  \: x - 3 = 0 \\  \\ x =  - 5  \:  \: or \:  \: x = 3 \\  \\  \because \: x \: can \: not \: be \:  - ve \\  \\  \therefore \: x = 3 \\   \\  \implies \: x + 2 = 3 + 2 = 5 \\  \\ perimeter \: of \: rectngle  \\ = 2(5 + 3)  \\  = 2 \times 5 \\  = 16 \: ft

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