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maw [93]
3 years ago
8

THE TOPIC IS: AREA OF CIRCLES!! PLEASE HELP ME WITH THIS QUESTION!!! WHATS THE ANSWER?? I WILL GIVE YOU BRAINLIEST AND A THANKS!

!! AND PLS PUT AN EXPLANATION!! THANK YOU GUYS SO MUCHHHH!!

Mathematics
1 answer:
elena55 [62]3 years ago
3 0

Hello!

The formula for area of a circle is A= π*radius^2 (radius squared)

We are given the radius, so now we must input this into our formula.

I will use 3.14 for an approximate value of pi, I am not sure what the rules are for your mathematics class.

A= π*radius^2

  = 3.14*9²

  = 3.14*81

  = 254.34 yd²

∴ <em>About </em>254.3 yd²

I hope this helps, and best of luck!

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What is the equation in slope-intercept form of the linear function represented by the table?
umka2103 [35]

Answer:

y = -x + 9

Step-by-step explanation:

You are given (-5,14), (-2,11), (1,8), and (4,5).  Your first objective is to find the slope.

Slope is delta y divided by delta x - the amount of height the graph gains divided by the amount of horizontal length the graph gains.  Take any two points and plug it into this: \frac{y_{2}-y_{1} }{x_{2}-x_{1}}.

i.e. (-2,11) and (4,5): \frac{11-5}{-2-4} which is \frac{6}{-6}, or -1.  Thus, the slope is -1.

We now have y = -1(x) + b, or just y = -x + b.

Next, find the y-intercept.  Set the value of x to 0, as the y-intercept is found along the y-axis, which is at the horizontal center of the graph, 0.  We now know that the y-intercept is (0,y).  To find the y-value, plug one of the coordinate pairs of choice into x and y.

i.e. (-5,14): 14 = (-1)(-5) + b

14 = 5 + b

14 - 5 = 5 + b - 5

9 = b

So, the y-intercept is (0,9).

Finally, the equation is:

y = -x + 9

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2 years ago
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ivanzaharov [21]
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Answer:

-56

Step-by-step explanation:

(6 ✕–8) – 8

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pogonyaev

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M, Z

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They are all Alternate Exterior Angles.

<em>Hope this helps! Please let me know if you need more help or think my answer is incorrect. Brainliest would be MUCH appreciated. Have a great day!</em>

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