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2 years ago

28° 58 F What is the value of the missing angle?

Mathematics

1 answer:

dedylja [7]2 years ago

5 0

Your answer is 94.

180-(28+58) gives you

180-86

=94

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Use a special right triangle to write sin 30° as a fraction.

borishaifa [10]

Answer:

1/2

Step-by-step explanation:

So do this, think of an equilateral triangle. A 30-60-90 triangle is just half of an equilateral triangle. If the original side length was x, then the hypotenuse is x, one leg is x/2, and the third, by Pythagorean theorem, is x sqrt3

Sin is opposite over hypotenuse, so we have (x/2)/x = 1/2

6 0

2 years ago

Need help with this math

Angelina_Jolie [31]

Answer:

205

Step-by-step explanation:

You divide the next answer which we presume is 55,555 by the constant 271 and get your final answer of 205.

Hope this helps bud:)

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2 years ago

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1/2k - 1/4 = 1/3 what is k ?

Minchanka [31]

Answer:

7/6

Step-by-step explanation:

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3 years ago

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Plas help me with question 5

Arlecino [84]

Answer:

-1, 1, -1

Step-by-step explanation:

-1*-1*-1 = -1

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2 years ago

Christine Wong has asked Dave and Mike to help her move into a new apartment on Sunday morning. She has asked them both, in case

lozanna [386]

Answer:

0.3339 = 33.39% probability that both Dave and Mike will show up

Step-by-step explanation:

Probability of independent events:

If A and B are independent events, the probability of both happening at the same time is given by:

$P(A \cap B) = P(A)P(B)$

In this question:

Event A: Dave shows up.

Event B: Mike shows up.

Christine knows that there is a 47% chance that Dave will not show up and a 37% chance that Mike will not show up.

This means that $P(A) = 1 - 0.47 = 0.53, P(B) = 1 - 0.37 = 0.63$ .

a. What is the probability that both Dave and Mike will show up

$P(A \cap B) = P(A)P(B) = 0.53*0.63 = 0.3339$

0.3339 = 33.39% probability that both Dave and Mike will show up

8 0

2 years ago