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Ira Lisetskai [31]
3 years ago
6

Find the value of x. pls solve

Mathematics
1 answer:
dmitriy555 [2]3 years ago
8 0

the answer is x = 120 degrees

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Use the inverse cosine to find the measure of angle Q.
Rom4ik [11]

Answer:

∠ Q ≈ 53.1°

Step-by-step explanation:

cos Q = \frac{adjacent}{hypotenuse} = \frac{QS}{QR} = \frac{6}{10} , then

∠ Q = cos^{-1} (\frac{6}{10} ) ≈ 53.1° ( to the nearest tenth )

4 0
2 years ago
A thumbtack that is tossed can land point up or point down. The probability of a tack landing point up is 0.2. A simulation was
sweet-ann [11.9K]

Answer:

Option C: 0.28

Step-by-step explanation:

This is a binomial probability distribution problem.

Now, we want to find the probability that at least 2 thumbtacks land pointing up when 5 thumbtacks are tossed. This is written as;

P(X ≥ 2) = P(2) + P(3) + P(4) + P(5)

From the histogram;

P(5) = 0.02

P(4) = 0.02

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P(2) = 0.19

Thus;

P(X ≥ 2) = 0.19 + 0.05 + 0.02 + 0.02

P(X ≥ 2) = 0.28

8 0
3 years ago
Read 2 more answers
What is the geometric mean of 4 and 10
GalinKa [24]

Answer: 6.3

Step-by-step explanation:

The formula for geometric mean is given as :

G.m = \sqrt{pq}

Therefore , the geometric mean between 4 and 10 will be :

G.m = \sqrt{4(10)}

      = \sqrt{40}

      = 2\sqrt{10}

     = 6.3

8 0
3 years ago
Where is the point (-2 -3) located in the coordinate plane
labwork [276]

Answer:

It's located in the third quadrant

(X,Y)

Step-by-step explanation:

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3 years ago
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A circle has a radius of 6 in. The circumscribed equilateral triangle will have an area of:
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Answer:

216

Step-by-step explanation:

7 0
3 years ago
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