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Scrat [10]
2 years ago
6

F(x)=-(x+2)^2+3 put in standard form

Mathematics
2 answers:
Natasha_Volkova [10]2 years ago
8 0

Answer:

F(x)=-x^2-4x-1

Step-by-step explanation:

According to PEMDAS, do the exponent part for the parentheses, sense it goes first.

F(x)= -(x^2+4x+4)+3

Then distribute the - sign

F(x)= -x^2-4x-4+3

Then you simplify

F(x)= -x^2-4x-1

Cerrena [4.2K]2 years ago
7 0

Answer:

Hello,

Step-by-step explanation:

do I remind you of the formula  (a+b)²=a²+2ab+b²

f(x)=-(x+2)^2+3\\\\=-(x^2+4x+4)+3\\\\=-x^2-4x-4+3\\=-x^2-4x-1

Sorry i haven't see the sign minus before the parenthesis.

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Need geometry help ASAP please!
tatiyna

Answer:

1. 121 π  unit²

2. 143°

3. 151 unit²

Step-by-step explanation:

1.

Area of a circle is given by the formula  A = πr²

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From the given diagram, we can see that the radius is 11, hence the area will be:

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The unshaded secctor and the shaded sector equals the circle. We know that circle is 360°. The unshaded sector has an angle of 217°. So the shaded part will be 360 - 217 = 143°

The measure of the central angle of the shaded sector is 143°

3.

Area of a sector is given by the formula  A=\frac{\theta}{360}*\pi r^2

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Plugging in all the info into the formula we have:

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