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Lera25 [3.4K]
3 years ago
13

If x/2+x=3, then x is what =

Mathematics
2 answers:
PSYCHO15rus [73]3 years ago
4 0
If you would like to solve the equation x/2 + x = 3 for x, you can do this using the following steps:

<span>x/2 + x = 3     /*2
</span>x + 2x = 3 * 2
3x = 6
x = 6/3
x = 2

The correct result would be x = 2.
lesya692 [45]3 years ago
3 0
X=2. If you add 2+2/2 it equals 3.
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Given that the value of x is between 0 and 360 degrees (0 and 360
Brums [2.3K]

Answer:

  • 150° and 210°
  • 0

Step-by-step explanation:

It is convenient to memorize the trig functions of the "special angles" of 30°, 45°, 60°, as well as the way the signs of trig functions change in the different quadrants. Realizing that the (x, y) coordinates on the unit circle correspond to (cos(θ), sin(θ)) can make it somewhat easier.

__

<h3>20.</h3>

You have memorized that cos(x) = (√3)/2 is true for x = 30°. That is the reference angle for the 2nd-quadrant angle 180° -30° = 150°, and for the 3rd-quadrant angle 180° +30° = 210°.

Cos(x) is negative in the 2nd and 3rd quadrants, so the angles you're looking for are

 150° and 210°

__

<h3>Bonus</h3>

  You have memorized that sin(π/4) = √2/2, and that cos(3π/4) = -√2/2. The sum of these values is ...

  √2/2 + (-√2/2) = 0

_____

<em>Additional comments</em>

Your calculator can help you with both of these problems.

The coordinates given on the attached unit circle chart are (cos(θ), sin(θ)).

6 0
2 years ago
1= what as a fraction
Anna [14]

Answer:

it could be 1/1 or 2/2 or 3/3 or 4/4 or 5/5 or 6/6 it is the same thing just put the number like how i did depending on the question

Step-by-step explanation:

7 0
3 years ago
Plz help me with us
nata0808 [166]

Answer:

11 = m/2 +7

4 = m/2

m = 8

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
What is the fifth term in the binomial expansion of (x + 5)8?
AlekseyPX
(a+b)^n\\&#10;\displaystyle&#10;T_r=\binom{n}{r-1}a^{n-r+1}b^{r-1}\\\\&#10;T_5=\binom{8}{5-1}x^{8-5+1}\cdot5^{5-1}\\&#10;T_5=\binom{8}{4}x^4\cdot5^4\\&#10;T_5=\dfrac{8!}{4!4!}\cdot x^4 \cdot5^4\\&#10;T_5=\dfrac{5\cdot6\cdot7\cdot8}{2\cdot3\cdot4}\cdot x^4\cdot5^4\\&#10;T_6=2\cdot7\cdot x^4\cdot5^5\\&#10;T_6=43750x^4&#10;
5 0
3 years ago
Read 2 more answers
When entering large numbers in the answer box, do not use commas. For example, enter 1276400‎ for the number 1,276,400. Do not e
Ilia_Sergeevich [38]

Answer:

The answer is 12500....

Step-by-step explanation:

We have been asked that what is the sum of 9260 and 3240?

The sum of two numbers is the result you obtain by adding the two numbers together.

Addition is the mathematical process of putting things together. The plus sign "+" shows  that numbers are added together. We start adding the numbers from right hand side.

We have two values 9260 and 3240. We will add these two values together.

  9  2   6   0

+ 3  2   4   0

__________

 12 5   0   0

Thus the answer is 12500....

 

5 0
3 years ago
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