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alexgriva [62]
3 years ago
7

Which value is equivalent to cos 10°? sin 30° O sin 25° O sin 70° O sin 80°

Mathematics
2 answers:
Sauron [17]3 years ago
8 0

Answer:

13

Step-by-step explanation:

STatiana [176]3 years ago
7 0
Answer is 13

explanation
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68 meters is the correct answer
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A penny is tossed and a number cube is rolled. Find probability P(tails and 3). Please select one answer.
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Answer:

the probability is 1/12

Step-by-step explanation:

The probability, P(Tails) to get tails is equal to:

P(Tails)=\frac{1}{2}

Because a penny have two possible options heads or tails and tails is one option.

Additionally, the probability P(3) that the number cube get a 3 is equal to:

P(3)=\frac{1}{6}

Because the cube have 6 possible options and 3 is one option.

Now, the probability P(tails and 3) is calculated as a multiplication of P(tails) and P(3). then, P(tails and 3) is equal to:

P(tails and 3) =\frac{1}{2}*\frac{1}{6}=\frac{1}{12}

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\displaystyle |\Omega|=\binom{14}{6}=\dfrac{14!}{6!8!}=\dfrac{9\cdot10\cdot11\cdot12\cdot13 \cdot14}{2\cdot3\cdot4\cdot5\cdot6}=3003\\ |A'|=\binom{11}{3}=\dfrac{11!}{3!8!}=\dfrac{9\cdot10\cdot11}{2\cdot3}=165\\ |A|=3003-165=2838\\\\ P(A)=\dfrac{2838}{3003}=\dfrac{86}{91}\approx95\%

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3 years ago
Which of the following could be the lengths of the sides for a triangle that is similar to the triangle shown?
artcher [175]
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