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3 years ago

9

Use long division to find the decimal equivalent 13/16 show your work is the decimal equivalent a terminating or repeating decim

al

1 answer:

Ghella [55]3 years ago

3 0

It goes on and on..It's a repeating decimal. The answer rounded to the nearest hundredth is 1.23.

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Which rule represents the translation of hexagon DEFGHI to hexagon D'E'F'G'H'I'?

Makovka662 [10]

Answer:

The answer is B I think.

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3 years ago

Use demoivre's theorem to show that;<br>cos4¤ =8 cos4¤ -8cos2¤+1

ss7ja [257]

Answer:

$\cos4( \theta)=Re(\cos4( \theta)+i\sin4( \theta)) \\=Re(\cos ( \theta)+i\sin ( \theta))^4 \\ =Re(cos^4( \theta)+4cos^3( \theta)isin( \theta)+6cos^2( \theta)i^2sin^2( \theta)+4cosi^3( \theta)sin^3( \theta)+i^4sin^4( \theta)) \\cos( 4\theta) =cos^4( \theta)-6cos^2( \theta)sin^2( \theta)+sin^4( \theta) \\ =(1-\sin^2( \theta))^2-6(1-\sin^2( \theta))\sin^2( \theta)+sin^4( \theta) \\ = 1-2\sin^2( \theta)+\sin^4( \theta)-6\sin^2( \theta)+6\sin^4( \theta)+\sin^4( \theta) \\ =8\sin^4( \theta)-8\sin^2( \theta)+1$

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3 years ago

Kim's softball team is playing in the championship game. They are losing by a score of 17 to 6. There are 4 innings to go. Kim w

meriva

(how many more needed) divided by (how many innings left)
17-6=11
4 left

11/4=2.75

needs to score 2.75 per inning (even though you can't score 0.75 point)

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3 years ago

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I need help on #11 :)

melomori [17]

Answer:

I think you divide or multiply

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3 years ago

HELP ASAP The side lengths of a triangle are 9, 12, and 18. Is this a right triangle?

tatiyna

Answer:

B) 9² + 12² ≠ 18²

Step-by-step explanation:

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3 years ago

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