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AveGali [126]
3 years ago
12

Please help I will mark the correct answer as brainliest...

Mathematics
1 answer:
o-na [289]3 years ago
5 0

Answer: minus 6

Step-by-step explanation:

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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
3 years ago
Read 2 more answers
How much is in a saving account that started with $500 and earned 7.5% compound interest for 2 years
MAXImum [283]

Answer:

577.81

Step-by-step explanation:

A = P(1 + (r/n))^n * t

A = 500 ( 1 + .075)^2

A = $577.81

3 0
3 years ago
Ray cuts out a figure that has 4 equal sides and no right angles. What is the best
Studentka2010 [4]

Answer:

rhombus

Step-by-step explanation:

A rhombus had EQUAL four sides yet no right angles. Why not trapezoid? Well, a trapezoid doesn't have four equal sides. Square and rectangle aren't the answer because they contain right angles. Hopes this helps!

8 0
3 years ago
True or false all odd numbers are divisible by 3
Katen [24]
False

59/3= 19.666667

8 0
3 years ago
Read 2 more answers
What is the measure of angle x?<br> 37<br> Enter your answer in the box<br> 82<br> m3 =
Lana71 [14]

Answer:

61

Step-by-step explanation:

we kno that a triangle is 180 degrees so we just add the first two angles

37 + 82 = 119

then subtract that from 180

180 - 119 = 61

so x = 61 degrees

lmk if this wrong and ill fix it

hope this helps <3

8 0
3 years ago
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