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3 years ago

PLEASE HELP ASAP! 30 POINTS! Which three-dimensional shape is formed by the rotation given?

Mathematics

2 answers:

enot [183]3 years ago

7 0

Answer:

I'm pretty sure it's the one you chose, which means the 2nd pic.

Advocard [28]3 years ago

6 0

Answer:

I think It is the first one, that is a cone flipped and there is a hole in it.

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Express in scientific information notation 417.8

bogdanovich [222]

Answer:

4.178×10 to the second power

Step-by-step explanation:

Move the decimal twice to the Left

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2 years ago

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3 years ago

The number of students enrolled at hill school decreased by 120 students over an 8-year period. what was the average decrease in

MAVERICK [17]

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15 students per year is the answer.

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2 years ago

What percent x 2280 = 9744

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3 years ago

Find the equation of the line that cuts through (0,5) and (1,2)?

MArishka [77]

The equation of the line that cuts through (0,5) and (1,2) is y = -3x + 5

<h3>Solution:</h3>

Given that we have to find equation of the line that cuts through (0,5) and (1,2)

The equation of line passing through points $(x_1, y_1)$ and $(x_2, y_2)$ is given as:

$y - y_1 = m(x - x_1)$

Where "m" is the slope of line

Let us first find slope of line

The slope of line is given as:

$m=\frac{y_{2}-y_{1}}{x_{2}-x_{1}}$

$\text{ Substituting } (x_1, y_1) = (0, 5) \text{ and } (x_2, y_2) = (1, 2)$

$m=\frac{2-5}{1-0}=-3$

Thus the required equation of line is:

$y - 5 = -3(x - 0)\\\\y - 5 = -3x\\\\y = -3x + 5$

Thus the equation of line is found

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3 years ago