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2 years ago

I'm stuck on this question and I dont want to second guess myself.

Mathematics

2 answers:

lubasha [3.4K]2 years ago

8 0

Answer:

x-intercept is 6,0 y-intercept is 0,-10

Step-by-step explanation:

GuDViN [60]2 years ago

7 0

Answer:

Step-by-step explanation:

Let's plug in 0s.

5x - 3(0) = 30.

5x = 30.

x = 6.

The x intercept will be (6,0)

5(0) - 3y = 30.

-3y = 30.

y = -10 .

The y intercept will be (0,-10)

It seems like the computer is wrong but the answer is B

(I fact checked myself down there)

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2 years ago

A cell tower is located at and transmits a circular signal that covers three major cities. The three cities are located on the c

Lelu [443]

Answer:

$(x+8)^2 +(y-4)^2 = 25$

Step-by-step explanation:

Assuming this complete problem: "A cell tower is located at (-8, 4) and transmits a circular signal that covers three major cities. The three cities are located on the circle and have the following coordinates: G (-4, 7), H (-13, 4), and I (-8, -1). Find the equation of the circle"

For this case the generla equation for the circle is given by:

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

From the info we know that the tower is located at (-8, 4) so then h = -8 and k = 4, so then we need to find the radius. So we have the equation like this: $(x+8)^2 +(y-4)^2 = r^2$

If the 3 points are on the circle then satisfy the equation. We can use the first point (-4,7) and if we replace we can find the value for $r^2$

$(-4+8)^2 +(7-4)^2 =25= r^2$

So then $r = \sqrt{25}=5$

And if we replace the second point we got this:

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And for the third point we have:

$(-8+8)^2 +(-1-4)^2 = 25 =r^2$

And we got the same result.

So then our final equation is given:

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3 years ago

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Answer:

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Step-by-step explanation

I gotchu bro

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2 years ago

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Answer:

The answer is B.

Step-by-step explanation:

7x4 is 28 which means you have to multiply 3x4. That gives you 12. 28:12 is the proper ratio. (Hope this helped!)

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I'm stuck on this question and I dont want to second guess myself. ​

I'm stuck on this question and I dont want to second guess myself.