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lana66690 [7]
3 years ago
10

Katrin is making a poster for school elections. She draws a line 20.4 centimeters long across the poster board. She starts at on

e end of the line and makes a mark every 3.4 centimeters along it. She plans to write the letters of her name in the spaces between the marks. Will Katrin make enough spaces for each letter of her name to go in one space? Explain how you know​
Mathematics
1 answer:
ra1l [238]3 years ago
3 0

Answer:

yes

to determine if she would have enough space, divide 20.4 by 3.4. this gives 6

Katrin has 6 letters

so it would be enough

Step-by-step explanation:

Number of spaces created = length of the line / distance between each space

20.4 / 3.4 = 6

Katrina is made up of 6 letters.

the space would fit

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Answer:

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iren2701 [21]

Step-by-step explanation:

This seems to be calculus 1.

<u>Question a</u>

We have -2x^3 + 5x^2 + 9

m = slope = derivative

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We do this by differentiating the polynomials. There are a few methods to do this but I am going to use the power rule, which we multiply the constant by the exponent on the variable and subtract one from the exponent.

\frac{d}{dx}(-2x^3 + 5x^2 + 9)

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<em>Now that we have this information, we can answer question b</em>

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Now graph the lines, which I have done and you can see by viewing the image I have attached.


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