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Semmy [17]
2 years ago
11

20 POINTS! Yes or No?

Mathematics
2 answers:
tangare [24]2 years ago
8 0
Answer: YES.

<span>Drawing a vertical line will cross the graph at one point only.

</span>
<span>Every x was assigned one y.</span>
Oksana_A [137]2 years ago
8 0

Answer:

yes it is

Step-by-step explanation:

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After the second, it will be 50, after the third it will be 20, and after the fourth it will be 8. The answer is C
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Mrs. Cho drives 45 miles in one hour if her speed stays constant how many hours will it take for her to drive 405 miles?
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3 years ago
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djverab [1.8K]

a)

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b)

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c)

we don't know the vertical distance, but


\bf \textit{using the pythagorean theorem}&#10;\\\\&#10;c^2=a^2+b^2\implies \sqrt{c^2-a^2}=b&#10;\qquad&#10;\begin{cases}&#10;c=\stackrel{10}{hypotenuse}\\&#10;a=\stackrel{9.25}{adjacent}\\&#10;b=opposite\\&#10;\end{cases}&#10;\\\\\\&#10;\sqrt{10^2-9.25^2}=b\implies \sqrt{14.4375}=b\implies 3.8\approx b


so, it covered vertically about 3.8 ft in those 1.6 secs, so then 3.8/1.6 = 2.375 ft/s on average

7 0
2 years ago
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4 0
2 years ago
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