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masha68 [24]
3 years ago
6

A circle has a radius of 6 units. Find the area of a sector with an arc length of 9 units.

Mathematics
1 answer:
Romashka-Z-Leto [24]3 years ago
5 0

Answer:

I would need a picture but go on g0ogle and I bet they have it on there

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3 0
3 years ago
Factor the quadratic equation below to reveal the solutions. X^2+4x-21=-9
a_sh-v [17]

Answer:

x = 3 and x = -7

Step-by-step explanation:

The given quadratic equation is x^2+4x-21=0. We need to find the solution of this equation.

If the equation is in the form of ax^2+bx+c=0, then its solutions are given by :

x=\dfrac{-b\pm \sqrt{b^2-4ac} }{2a}

Here, a = 1, b = 4 and c = -21

Plugging all the values in the value of x, such that :

x=\dfrac{-b+ \sqrt{b^2-4ac} }{2a},\dfrac{-b- \sqrt{b^2-4ac} }{2a}\\\\x=\dfrac{-4+ \sqrt{(4)^2-4\times 1\times (-21)} }{2(1)},\dfrac{-4- \sqrt{(4)^2-4\times 1\times (-21)} }{2(1)}\\\\x=3, -7

So, the solutions of the quadratic equation are 3 and -7.      

6 0
3 years ago
Which of the following scenarios is least likely to be modeled by a quadratic function?
vampirchik [111]
I think the answer is c purplestar1
8 0
3 years ago
HELP PLEASE I WILL GIVE YOU BRAINLIEST
Alja [10]
The answer is 600 because of the miles
3 0
3 years ago
Please Help!!!
ValentinkaMS [17]
3 x 15 = 45
3 x 14 = 42

--------------

There are 14 packages.

----------------

x = 42/3

-----> 3x=42
4 0
3 years ago
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