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3 years ago

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Hurry I need this!!!!

1 answer:

leonid [27]3 years ago

4 0

Answer:Yes, It is A.

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A circle is centered at the point (5, -4) and passes through the point (-3, 2).

zepelin [54]

Answer:

(x-5)^2+(y+4)^2=100

Step-by-step explanation:

As we know the given points

Center = (5, -4)

and

Point on circle = (-3,2)

The distance between point on circle and center will give us the radius of circle

So,

The formula for distance is:

$\sqrt{(x_{2}-x_{1} )^{2}+(y_{2}-y_{1})^{2}}\\Taking\ center\ as\ point\ 1\ and\ the\ other\ point\ as\ point\ 2\\d=\sqrt{(-3-5)^{2}+(2-(-4))^{2}}\\d=\sqrt{(-8)^{2}+(2+4)^{2}}\\d=\sqrt{(-8)^{2}+(6)^{2}}\\\\d=\sqrt{64+36}\\d=\sqrt{100} \\ d=10\\So\ the\ radius\ is\ 10$

The standard form of equation of circle is:

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

where h and k are the coordinates of the center. So putting in the value:

$(x-5)^{2}+(y-(-4))^{2}=(10)^{2}\\(x-5)^{2}+(y+4)^{2}=100$

8 0

2 years ago

If f(x) = 3x2 - 2x + 1, then find f(0)

MissTica

f (0) = 3.(0)(0) - 3.(0)

= 0

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2 years ago

Which expression is equivalent to

Semmy [17]

The answer is the last option.

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3 years ago

How to do a fraction

chubhunter [2.5K]

Answer:

To add fractions there are Three Simple Steps:

Step 1: Make sure the bottom numbers (the denominators) are the same.

Step 2: Add the top numbers (the numerators), put that answer over the denominator.

Step 3: Simplify the fraction (if needed)

8 0

3 years ago

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If the mean of a negatively skewed distribution is 72, which of these values could be the median of the distribution?

loris [4]

Answer: the correct answer is 76

Step-by-step explanation:

(APEX)

4 0

3 years ago