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2 years ago

What is the slope of this equation 1/2x - 1/3

Mathematics

2 answers:

viktelen [127]2 years ago

5 0

It is not linear, so therefore no slope

Natasha2012 [34]2 years ago

5 0

The answer to the question

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If A(3,4) and B(10,4) are the end points of a diameter of circle "O", what is the area of the circle O

ikadub [295]

Answer:

$\large\boxed{\dfrac{49\pi}{4}}$

Step-by-step explanation:

The formula of an area of a circle:

$A=\pi r^2$

r - radius

We have the endpoints of a diameter of a circle.

The formula of a distance between two points:

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

Substitute the coordinates of the given points A(3, 4) and B(10, 4):

$d=\sqrt{(10-3)^2+(4-4)^2}=\sqrt{7^2+0^2}=\sqrt{7^2}=7$

Therefore we have the length of the diameter: d = 7

We know: d = 2r. Therefore

$r=\dfrac{7}{2}$

Substitute to the formula of an area:

$A=\pi\left(\dfrac{7}{2}\right)^2=\dfrac{49\pi}{4}$

There is no such answer in the answers to choose.

Apparently you have some error in the coordinates of the endpoints.

8 0

2 years ago

If someone knows the answer please help

pickupchik [31]

The correct answer is D. D'(1, 5), E'(-1, 3), F'(-1, -4), G'(1, -2).

It's because of this: You need to calculate the distances, and they are in this case symmetric, so you look how far is from one side, and it will be the same on the other side. When you put it on graph, the coordinates are clear and the correct answer is D.

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3 years ago

Tia's teacher asked her to find the product of 8 and 207 in her head. Which of the following describes the best way for Tia to m

Alex

The correct answer is B

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2 years ago

What is 0.7 (The 7 is repeating) expressed as a fraction in simplest form?

timofeeve [1]

the answer was c

hope that helps your!!!!!

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