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2 years ago

BRAINLIEST WILL BE GIVEN 20 POINTS!!!

Mathematics

2 answers:

leva [86]2 years ago

7 0

Answer:

I think it is 28%

Step-by-step explanation:

.7*.4=.28

sashaice [31]2 years ago

5 0

Answer:

28%

Step-by-step explanation:

Since these two events are independent, we multiply their probabilities.

40% * 70% = 0.4 * 0.7 = 0.28 = 28%

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Answer:

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Step-by-step explanation:

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2 years ago

3sina-4sin4a/sin5a<br> if a=-45 degree

Ierofanga [76]

Given:

The given expression is:

$\dfrac{3\sin a-4\sin 4a}{\sin 5a}$

To find:

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Solution:

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Substituting $a=-45$ , we get

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On substituting $\sin (180)$ , we get,

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