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Andrew [12]
4 years ago
7

I cant find this answer for my life

Mathematics
2 answers:
fredd [130]4 years ago
8 0
1/343


Hope this helps (:
makvit [3.9K]4 years ago
7 0
Simplify ​7^3 to 343
To get 1/343
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3 years ago
3. A ray of light is reflected by three mirrors. What should be
ioda

Answer:

35 degrees

Step-by-step explanation:

The law of reflection states that the angle of reflection equals the angle of incidence, or  

{\theta }_{\text{r}}={\theta }_{\text{i}}

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So, Angle of incidence will also be equal to 35 degrees.

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3 years ago
Please help me guys
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3 years ago
In the figure below, find the length of AD. Round your answer to the nearest tenth.
goldenfox [79]

Answer:

12.4

Step-by-step explanation:

First you need to find the hypotenuse of the other triangle, because it makes up a necessary side for finding AD. Pythagorean theorem states that

a^2 + b^2 = c^2 where a and b are leg lengths and c is the hypotenuse. For the triangle on the left, you're given 2 legs. So you can substitute those into that formula:

a^2 + b^2 = c^2

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Now take the square root of both sides to isolate c.

11.6619038 = c.

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Now that you have the second leg length for the triangle on the right, you can find its hypotenuse.

Follow the same process. Substitute your values into the equation and then solve for c:

a^2 + b^2 = c^2

(11.7)^2 + (4)^2 = c^2

136.89 + 16 = c^2

152.89 = c^2

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12.3648696 = c.

12.3648696 rounds to 12.4 so c = 12.4

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4 0
3 years ago
The probability of drawing two nickels from a bag at random without replacement is 33/95 . The probability of drawing a nickel f
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The probability that two events occur is equal to the product of the individual events happening or occurring. For this item, we let x be the probability that is unknown such that the relationship between them may be expressed as,
                            (3/5)(x) = 33/95
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7 0
4 years ago
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