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4 years ago

Need help solving these questions need answers fast

Mathematics

2 answers:

const2013 [10]4 years ago

8 0

Answer:

First image: Q

Second image: I think B

Step-by-step explanation:

ANTONII [103]4 years ago

7 0

Answer:

Picture 1: angle R

Picture 2: A - A

Step-by-step explanation:

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Veseljchak [2.6K]

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A student has to buy graph paper and printer paper. The graph paper, x, costs $2, while the printer paper, y, costs $3. She want

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Step-by-step explanation:

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3 years ago

Please help anyone and explain?

ddd [48]

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3 years ago

Which of the following is an equation of a circle in

DaniilM [7]

Answer:

$x^2 + (y - 4)^2 = \dfrac{25}{9}$

Step-by-step explanation:

The equation of a circle with center at (h, k) and radius r is

$(x - h)^2 + (y - k)^2 = r^2$

You have center (0, 4).

We get:

$(x - 0)^2 + (y - 4)^2 = r^2$

$x^2 + (y - 4)^2 = r^2$

To find the radius, we use the distance formula to find the distance from the center of the circle to the given point on the circle.

$r = d = \sqrt{(x_2 - x_1)^2 + (y_2 - y_1)^2}$

$r = \sqrt{(\dfrac{4}{3} - 0)^2 + (5 - 4)^2}$

$r = \sqrt{(\dfrac{4}{3})^2 + 1^2}$

$r = \sqrt{\dfrac{16}{9} + \dfrac{9}{9}}$

$r = \sqrt{\dfrac{25}{9}}$

We need r^2 in the equation of the circle, so

$r^2 = \dfrac{25}{9}$

The equation of the circle is

$x^2 + (y - 4)^2 = \dfrac{25}{9}$

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4 years ago

Fill in the blanks

professor190 [17]

M=undefined, because it is a vertical line. A horizontal line would be 0.
y-intercept=undefined
equation=x=a(x-intercept)

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3 years ago