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3 years ago

9

Write an equation to represent "4 times as many as 3 is 12".

1 answer:

jarptica [38.1K]3 years ago

3 0

4 x 3 = 12
Make sure to give me a thanks!!

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A circle has a sector with area 27 and central angle of 120

Alex_Xolod [135]

Answer:

81π

Step-by-step explanation:

-The sum of central angles in a circle add up to 360°.

-Let x be the area of the circle.

-Given the area of a 120° is 27π, the circles area can be calculated as:

$A=27\pi\\\\120\textdegree=27\pi\\360\textdegree=x\\\\\therefore x=\frac{360\textdegree\times 27\pi}{120\textdegree}\\\\=3\times 27\pi\\\\=81\pi$

Hence, the area of the circle is 81π

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3 years ago

Need more help please!!

IrinaK [193]

46: 24a+40

First we are going to take a look at a) 8(3a+5)

a) We then simplify it by multiplying the numbers inside the parenthesis by 8.

a) 24a+40

Now we ask ourselves, is this equivalent to 24a+40? YES!

So your answer for #46 is a) 8(3a+5)

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3 years ago