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igomit [66]
3 years ago
8

Given right triangle ABC, what is the value of tan (A)?

Mathematics
1 answer:
elena-14-01-66 [18.8K]3 years ago
6 0

12/5 is the answer because if you use the help of "SohCahToa" you find that 12 is the opposite side of angle A and 5 is the adjacent angle

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According to the law of reflection, if the angle of incidence of an incoming ray
Natalija [7]

Answer:

The answer is the option B, which is: 46 degrees.  

The explanation for this problem is shown below:

1. According to the Law of reflection, the angle of incidence is equal to the angle of reflection.

2. Therefore, if Ф1 is the angle of incidence and Ф2 is the angle of reflection, you have:

Ф1 = 46 degrees

Ф1 = Ф2

Ф2 = 46 degrees

So, the answer is the option mentioned before.

4 0
3 years ago
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How many push ups will Scott do on day 10 and 20?
Margaret [11]

Answer:I think 57Step-by-step explanation:

Cuz its adding 2 every time then I just did 28 x 2 and added the extra. Does that make sense?

4 x 8 = 28

28 x 2 = 56

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7 0
3 years ago
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3 years ago
Solve the following System Of Equations Using Substitution or Elimination Methods. Show Work.
Ostrovityanka [42]

Answer:

There are two pairs of solutions: (2,7) and (-1,4)

Step-by-step explanation:

We will use substitution.

y = x^2 + 3

y = x +5

Since the second equation is equal to y, replace y in the first equation with the second equation.

y = x^2 + 3

x + 5 = x^2 + 3

Rearrange so that one side is equal to 0.

5 - 3 = x^2 - x

2 = x^2 - x

0 = x^2 - x - 2

You may use quadratic formula or any form of factoring to find the zeros (x values that make the equation equal to 0).

a = 1, b = -1, c = -2

Zeros = \frac{-b + \sqrt{b^{2}-4ac }  }{2a} and \frac{-b - \sqrt{b^{2}-4ac }  }{2a}

Zeros = 2 and -1

Now that you have your x values, plug them into the equations to find their corresponding y values.

y = x^2 + 3

y = (2)^2 + 3

y = 7

Pair #1: (2,7)

y = x^2 + 3

y = (-1)^2 + 3

y = 4

Pair #2: (-1,4)

Therefore, there are two pairs of solutions: (2,7) and (-1,4).

8 0
3 years ago
Can anyone please help, ;_;
BlackZzzverrR [31]

It was hard to figure this put but I'll just a take an educated guess and say that the answer is 10%.

7 0
3 years ago
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