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3 years ago

Simplify your answer (3j+4)^2

Mathematics

1 answer:

Fiesta28 [93]3 years ago

7 0

Answer:

9j² + 16

Step-by-step explanation:

( 3j + 4 )²

9j² + 16

Can I get brainliest

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The Sum of the square of a number and 34

almond37 [142]

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3 years ago

The sector COB is cut from the circle with center O. The ratio of the area of the sector removed from the whole circle to the ar

mafiozo [28]

Answer:

$Ratio = \frac{R^2 - r^2 }{ r^2}$

Step-by-step explanation:

Given

See attachment for circles

Required

Ratio of the outer sector to inner sector

The area of a sector is:

$Area = \frac{\theta}{360}\pi r^2$

For the inner circle

$r \to radius$

The sector of the inner circle has the following area

$A_1 = \frac{\theta}{360}\pi r^2$

For the whole circle

$R \to Radius$

The sector of the outer sector has the following area

$A_2 = \frac{\theta}{360}\pi (R^2 - r^2)$

So, the ratio of the outer sector to the inner sector is:

$Ratio = A_2 : A_1$

$Ratio = \frac{\theta}{360}\pi (R^2 - r^2) : \frac{\theta}{360}\pi r^2$

Cancel out common factor

$Ratio = R^2 - r^2 : r^2$

Express as fraction

$Ratio = \frac{R^2 - r^2 }{ r^2}$

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2 years ago

If 5^2x = 1, what is the value of 'x' ?

SVETLANKA909090 [29]

Answer:

x = 0

Step-by-step explanation:

5^0 is 1, meaning that x must equal to 0 for the answer to be 5^0.

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2 years ago

Read 2 more answers

Can someone’s please help me? (Ignore the work)

Zinaida [17]

Answer:

a^14b^12

Step-by-step explanation:

okay so lets distribute the 2

so you get -a^6b^10 and a^8b^2

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3 years ago

Math: hey everyone, can anyone help me find the answer for this math question? I don’t quite understand but yea the picture is t

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Answer:

4 1/3

I hope this helps

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2 years ago