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2 years ago

− 96 , 48 , − 24 , 12 , − 6 . what is the ratio of the geometric sequece

Mathematics

1 answer:

snow_tiger [21]2 years ago

7 0

Answer:

-1/2

Step-by-step explanation:

it has to be a negative number since

every other number is negative

its a fraction since the numbers are decreasing

96 divided by 48 is 2

so the number being multiplied or ration must be -1/2

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Find the exact value. cos150°

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ANSWER

$\cos(150 \degree) = - \frac{ \sqrt{3} }{2}$

EXPLANATION

We want to find the exact value of cos(150°).

150° makes an angle of 30° with the positive direction of the x-axis and it is also in the second quadrant.

The cosine ratio is negative in the second quadrant.

Using the unit circle,

$\cos(150 \degree) = - \cos(30 \degree) = - \frac{ \sqrt{3} }{2}$

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3 years ago

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Which table of ordered pairs represents a proportinal relationship

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Answer:

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3 years ago

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sergiy2304 [10]

$( - \frac{3}{4} )( \frac{7}{8} )$

$= \frac{ - 3}{4} \times \frac{7}{8}$

$= \frac{ - 21}{32}$

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$( \frac{2}{3} )( - 4)(9)$

$= \frac{2}{3} \times - 4 \times 9$

$= \frac{ - 72}{3}$

$= - 24$

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$( \frac{5}{16} )( - 2)( - 4)( - \frac{4}{5} )$

$= \frac{5}{16} \times - 2 \times - 4 \times \frac{ - 4}{5}$

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$(2 \frac{3}{5} )( \frac{7}{9} )$

$= \frac{13}{5} \times \frac{7}{9}$

$= \frac{91}{45}$

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3 years ago

Gekata [30.6K]

Answer:

x=150°

Step-by-step explanation:

angle FEB is the same with angle AEG

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2 years ago