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Elena-2011 [213]
3 years ago
5

Which equation does not belong with the other three? Explain your reasoning.

Mathematics
2 answers:
Alona [7]3 years ago
7 0
Y=2/5x doesnt fit with the others

Schach [20]3 years ago
7 0
The second on because all of the others don't have a variable equal to 1
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(cos x - (sqrt 2)/2)(sec x -1)=0
Darya [45]

(\cos x-\frac{\sqrt{2}}{2})(\sec x-1)=0 [/tex]

=(\cos x-\frac{1}{\sqrt{2}})(\sec x-1)=0 [/tex]

\frac{(\sqrt{2}\cos x-1)}{\sqrt{2}}(\frac{1}{\cos x\ }-1)=0

(Reciprocal Identity)

(\frac{^{\sqrt{2}\\cos  x-1}}{^{\sqrt{2}}})(\frac{1-\cos x}{\cos x})=0

\frac{^{(\sqrt{2}\cos x-1})}{\sqrt{2}}\frac{(1-\cos x)}{\cos x}=0

(\sqrt{2}\cos x-1}){(1-\cos x)}=0 (ZeroProduct Property)

\sqrt{2}\cos x-1=0

\sqrt{2}\cos x=1

\cos x=\frac{1}{\sqrt{2}}

x=\frac{\Pi }{4}

and

1-\cos x=0

\cos x=1

x=0

x=0 and x=\frac{\Pi }{4} are the solutions.

6 0
4 years ago
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Bunyan Farm sells 3 pound and 5 pound bags of onions. The Tuesday morning delivery consists of 34 bags weighing 122 pounds. How
Sergio [31]
<span>24 3-pound bags(72 pounds) and 10 5-pound bags(50 pounds). 72+50 = 122 pounds, 24+10 bags = 34 bags</span>
5 0
3 years ago
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What do cos and sin mean?
Mademuasel [1]

Answer and Step-by-step explanation:

These two terms (pronounced as Sine and Cosine) are used to solve for the sides and angles of a triangle in Trigonometry.

They are functions revealing the shape of a right triangle.

Sine is a trigonometric function of an angle. The sine of an acute angle is defined in the context of a right triangle: for the specified angle, it is the ratio of the length of the side that is opposite that angle, to the length of the longest side of the triangle.

Cosine is also a trigonometric function of an angle. The cosine of an angle is the relation of the length of the side that is adjacent that angle, to the length of the longest side of the triangle.

<em><u>#teamtrees #PAW (Plant And Water)</u></em>

8 0
3 years ago
How to solve <br> y x 6 for y = 2/3
EastWind [94]

*☆*――*☆*――*☆*――*☆*――*☆*――*☆*――*☆*――*☆**☆*――*☆*――*☆*――*☆

Answer: 4

Explanation:

2/3 x 6 = 2/3 x 6/1 = 12/3 = 4

I hope this helped!

<!> Brainliest is appreciated! <!>

- Zack Slocum

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3 0
3 years ago
5 roses cost $55 what will 4 roses cost
Dmitriy789 [7]
I believe its 44 but im not 100% sure
4 0
3 years ago
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