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Gnesinka [82]
3 years ago
5

kaelyne has 14 coins that have a value of $1.20. she only has dimes and nickeles. how many nickels does kaelyne have?( ill upvot

e!!) a.8 b.2 c.6 d.4
Mathematics
1 answer:
valina [46]3 years ago
7 0
D. 4 nickels.
This is because when she has 4 nickels that equals 20 cents. And that means that the rest are dimes. So a dollar worth of dimes would be ten dimes. and Ten dimes and 4 nickels equal 14 coins and $1.20
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Answer:

y(x) = 7e^(5x)

Step-by-step explanation:

The question says that the slope of the curve at every point P is five times the y-coordinate of P. This means that

dy/dx = 5y

Refer to solutions of differential equations, dy/dt = ky, being in the form of y(t) = y(0) e^(kt)

Using the above stated law now, we can relate to our equation, saying that

y(x) = y(0) e^(5x)

The point given from the question is, (0, 7). This also means that y(0) = 7. So finally, we can have

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Answer:

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Third option: (2x-3)(-3+2x)

Fifth option: (4y^2+25)(25+4y^2)

Step-by-step explanation:

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Then:

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