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notka56 [123]
3 years ago
5

What is the value of x? x = [ ? ]

Mathematics
2 answers:
Readme [11.4K]3 years ago
6 0
The letter "x" is often used in algebra to mean a value that is not yet known. It is called a "variable" or sometimes an "unknown". In x + 2 = 7, x is a variable, but we can work out its value if we try! A variable doesn't have to be "x", it could be "y", "w" or any letter, name or symbol. See: Variable.
Mnenie [13.5K]3 years ago
4 0

Answer:

Step-by-step explanation:

The tangent to the angle makes an angle of 90° with the radius.

The interior angle of the equilateral triangle is 60, so that leaves 90-60 = 30° for the remaining angle with the tangent.

By the exterior angle theorem, 30°+x° = 60° (interior angle of the equilateral triangle), therefore

x = 60-30 = 30°.

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What is the inverse of the function f(x)= 2x+1​
Sergeu [11.5K]

In order to invert a function, switch y and x in the definition, and solve for y again:

y=2x+1 \mapsto x=2y+1

Solving for y, we have

x=2y+1\iff x-1=2y \iff y=\dfrac{x-1}{2}

8 0
3 years ago
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The smallest prime number that is a foctor of 15
GrogVix [38]
The factors of 15 are 1, 3, 5 and 15. Now, as 1 is neither prime and nor a composite number (1 is not Prime because for a number to be a prime, it should have exact 2 factors i.e. 1 and itself, but 1 has only one factor. Therefore 1 is not prime.)

So the smallest prime factor of 15 is 3.

Hope this helped! :)
6 0
3 years ago
Gina has 5 2/6 feet of silver ribbon and 2 4/6 of gold ribbon.how much more silver ribbon does Gina have than gold ribbon?
lukranit [14]
Do 5 2/6-2 4/6 which =_____
4 0
3 years ago
Which ration number equals 0.5
Archy [21]
I don’t know the answer to that sorry.
8 0
3 years ago
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On a unit circle, the ordered pair (x, y) represents the point where the terminal side of e intersects the unit circle. If m<
tatyana61 [14]

Complete Question

Refer to attachment

Answer:

Option C

Step-by-step explanation:

From the question we are told that:

m \angle \theta=120

Generally the angle of inclination is \theta

\theta =180-120

\theta=60

Generally the equation for x is mathematically given by

x=cos60\textdegree *1

x=\frac{1}{2}

Since x exists in the second quadrant

Therefore the value of x in simplest  form is

 x=-\frac{1}{2}

Option C

4 0
3 years ago
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