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4 years ago

37 is decreased to 17 rounded to the nearest tenth

Mathematics

2 answers:

Amanda [17]4 years ago

4 0

I think it would be 20
but am not sure

Mamont248 [21]4 years ago

3 0

I think it is 20 because 17 rounded is 20

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A parabola can be drawn given a focus of (8, 6) and a directrix of x=4 Write the equation of the parabola in any form. Answer:

Alexeev081 [22]

Answer:

The equation of the parabola in vertex form is $x-6 = \frac{1}{16}\cdot (y-6)^{2}$ .

Step-by-step explanation:

Since the directrix is of the $x = a$ , then the equation of the parabola in vertex form is of the form:

$x-h = \frac{1}{4\cdot p}\cdot (y-k)^{2}$ (1)

Where:

$x$ - Dependent variable.

$y$ - Independent variable.

$p$ - Least distance between focus and directrix.

$h$ , $k$ - Coordinate of the vertex.

The least distance between focus and directrix is determined by Pythagorean Theorem:

$p = \sqrt{(8-4)^{2}+(6-6)^{2}}$

$p = 4$

Now, we determine the location of the vertex by the following vectorial formula:

$(h,k) = F(x,y) - (0.5\cdot p, 0)$ (2)

If we know that $p = 4$ and $F(x,y) = (8,6)$ , then the location of the vertex is:

$(h,k) = (8,6) -(2, 0)$

$(h,k) = (6,6)$

And the equation of the parabola in vertex form is $x-6 = \frac{1}{16}\cdot (y-6)^{2}$ .

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3 years ago

Find the magnitude and direction of 1/2r

stich3 [128]

Answer:

Step-by-step explanation:

0.9 meters. 170 degrees

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3 years ago

Write x^2- 9x - 10 in factored form:

soldi70 [24.7K]

Answer:

x = 10

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Step-by-step explanation:

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3 years ago

The area of a triangle is found by multiplying half of the measure of its base by its height. The area of the following right tr

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Answer:

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3 years ago

What are significant figures?

scZoUnD [109]

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I hope you understand.

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3 years ago

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