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Ad libitum [116K]

2 years ago

9

What is 2 1/3 x 3 4/9

2 answers:

bogdanovich [222]2 years ago

7 0

Answer:

is equal to 8 1/27

Step-by-step explanation:

(2

1

3

)(3

4

9

)

=

7

3

(3

4

9

)

=

7

3

(

31

9

)

=

217

27

=8

1

27

zalisa [80]2 years ago

4 0

Answer:

217/27 or 8.037

Step-by-step explanation:

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8090 [49]

Answer:

tanΘ = - $\frac{12}{5}$

Step-by-step explanation:

Using the trigonometric identities

• sin²x + cos²x = 1, hence

cosx = ± √(1 - sin²x )

• tanx = $\frac{sinx}{cosx}$

given sinΘ = $\frac{12}{13}$ , then

cosΘ = ± $\sqrt{1-(12/13)^2}$

Since Θ is in the second quadrant where cosΘ < 0, then

cosΘ = - $\sqrt{1-\frac{144}{169} }$

= - $\sqrt{\frac{25}{169} }$ = - $\frac{5}{13}$

tanΘ = $\frac{\frac{12}{13} }{\frac{-5}{13} }$

= $\frac{12}{13}$ × - $\frac{13}{5}$ = - $\frac{12}{5}$

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Step-by-step explanation:

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Andre45 [30]

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Step-by-step explanation:

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Step-by-step explanation:

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Step-by-step explanation:

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