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sveta [45]
3 years ago
12

Help please!!! Thxxxxxx

Mathematics
1 answer:
Alika [10]3 years ago
8 0

Answer:

40 degrees

Step-by-step explanation:

Angle ACO = 80 ( 180 - 100)

Angle CAO = 60 (180 - 120)

Angle AOC = 40 (180 - 80 - 60) (TOTAL DEGREES OF A TRIANGLE IS 180)

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mamaluj [8]
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Solve this equation 11y=88
Gre4nikov [31]

Answer:

y = 8

Step-by-step explanation:

11y = 88

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Valeria drives 500 meters up a hill that makes an angle of 15 degrees with the horizontal. To the nearest tenth of a meter, what
s344n2d4d5 [400]

Answer:

Approximately 485 meters

Step-by-step explanation:

We can first construct a right triangle, using the 500 m length of hill as our hypotenuse. Using the fact that the cosine of an angle is the ratio of the adjacent side to the hypotenuse, we see that

\cos{15^\circ}=\frac{x}{500}

where x is the horizontal distance covered. Solving for x, we find this horizontal distance to be

x=500\cos{15^\circ}\approx500(0.97)=485

so our answer is approximately 485 m.

4 0
3 years ago
Multiply and rewrite the system: 16푥−10푦=10 −8푥−6푦=6 solving for elimination
Artyom0805 [142]
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5 0
3 years ago
A company that produces fine crystal knows from experience that 15% of its goblets havecosmetic flaws, while the remaining 85% a
Vinvika [58]

Answer:

The probability that exactly two have flaws is P (x=2) = 0.2376

Step-by-step explanation:

Here

Success= p= 0.15

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Applying the binomial distribution

P (x=x) = nCx p^x(q)^n-x

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The success is chosen about which we want to find the probability. Here we want to find the probability that exactly two have flaws so success would be having flaws therefore p = 0.15

6 0
3 years ago
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