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2 years ago

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Please help 10 points !!

1 answer:

enyata [817]2 years ago

4 0

The will intersect at a point with a positive x coordinate.

We can tell this because they actually already have a shared space on the graph. If you plot the 3 points of g(x) given, you'll see that f(x) and g(x) both share the coordinate (1, 3). As a result, we know that they do intersect and it is where x (1) is a positive number.

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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:

$(-13+8)^2 +(4-4)^2 = 25 =r^2$

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:

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

4 0

3 years ago

Suppose a population contains 80,000 people. All else being equal, a study based on a population sample that includes which of t

Helga [31]

I'd say A. 8000, because you'd get the most answers and the biggest variety in answers for a more accurate sample.

6 0

3 years ago

Read 2 more answers

Please answer this correctly

maxonik [38]

Answer:

See Below

Step-by-step explanation:

This is very simple, but I can help more if you're stuck.

Take the number of pounds multiplied by the cost per pound.

For example, if I had 5 pounds of peaches, and they are $2 per pound...

5 pounds * $2 per pound = $10

Try it on your own :)

7 0

3 years ago

Read 2 more answers

A piece of wire is 30 m long. What will be the length of each side if the wire is used to form

Mariulka [41]

Answer:

7.5 m

10 m

Step-by-step explanation:

i) 30 m ÷ 4 = 7.5m

iii) 30m ÷ 3 = 10m

7 0

2 years ago

At a certain store, 55 television sets were sold in April. They want to increase sells by 30% in May. How many TVs must the sale

kari74 [83]

Answer:

Step-by-step explanation:

55(1.00 + 0.30) = 71.5 so 72 sets

5 0

2 years ago