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dem82 [27]
2 years ago
7

HELPPPPPPPPPPPPPPPP!!!!!!

Mathematics
2 answers:
ElenaW [278]2 years ago
8 0

Answer:

70.2 degrees

Step-by-step explanation:

\arccos \left(\frac{19}{56}\right)=1.22463\ = \quad \begin{pmatrix}\mathrm{Degrees:}&70.17^{\circ \:}\end{pmatrix}

timofeeve [1]2 years ago
4 0

Answer:

15

Step-by-step explanation:

It is a right angle so it will add up to 90 degrees.

This is the equation:

x=90-19-56

x=15

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Masteriza [31]
You have one of the answers correct. The fraction 4/8 is equal to 1/2

Other answers are: 5/10, 10/20, and 6/12

If you reduced each of those fractions, you'd get to 1/2. 

You can use a calculator to find that
4/8 = 0.5
1/2 = 0.5
5/10 = 0.5
10/20 = 0.5
6/12 = 0.5
All fractions mentioned lead to the same decimal value, so this confirms all of the fractions are equivalent to one another.
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Answer:

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Step-by-step explanation:

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Anna007 [38]

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Step-by-step explanation:

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2 years ago
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Answer:

more than 7

Step-by-step explanation:

4+3 = 7

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