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erastovalidia [21]
2 years ago
14

Help please so i can leave

Mathematics
2 answers:
Mars2501 [29]2 years ago
8 0

Answer:

314

Step-by-step explanation:

get out now

So you divide the diameter by 2 to get the radius which would give you 10. Then multiply the radius twice so 10×10=100 thrn multiply by pi. 100x3.14=3.14

Tema [17]2 years ago
7 0
314.16m^2is the answer your welcome
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Licemer1 [7]
<h3>Isolate y on both equations then equate </h3>

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  • 2y=-x²+3x-4
  • y=-x²/2+3/2x-2

Now you can equate it with second one to get x

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2 years ago
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Please answer this asap.
vodomira [7]
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Your auto insurance is $900 per quarter. What should you use as the monthly average? The auto insurance is a fixed expense, but
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Answer:

$225

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3 years ago
Eleana and her grandfather both had birthdays last week.
disa [49]

Answer:

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Step-by-step explanation:

7 0
3 years ago
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X^2-14x-4=0, solve by completing the square
REY [17]
The answer is: x = 7 - √53      or      x = 7 + √53

The general quadratic equation is: ax² + bx + c  = 0.
But, by completing the square we turn it into: a(x + d)² + e = 0, where:<span>
d = b/2a
e = c - b²/4a
Our quadratic equation is x² - 14x -4 = 0, which is after rearrangement:
So, a = 1, b = -14, c = -4
Let's first calculate d and e:
d = b/2a = -14/2*1 = -14/2 = -7
e = c - b²/4a = -4 - (-14)</span>²/4*1 = -4 - 196/4 = -4 - 49 = -53<span>
By completing the square we have:
a(x + d)² + e = 0

1(x + (-7))</span>² + (-53) = 0
(x - 7)² - 53 = 0
(x - 7)² = 53
x - 7 = +/-√53
x = 7 +/- √53

Therefore, the solutions are:
x = 7 - √53
or
x = 7 + √53
4 0
2 years ago
Read 2 more answers
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