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sammy [17]
3 years ago
12

Which statement is true?

Mathematics
1 answer:
Aneli [31]3 years ago
6 0
The letter has both reflection and rotation symmetry
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Solve for [0,2pi): 3sin^2x-6sinx=0
Ainat [17]

Given the equation :

3\sin ^2x-6\sin x=0

Let: y = sin x

So,

\sin ^2x=y^2

the given equation will be:

3y^2-6y=0

Solve for y, take 3y as a common:

\begin{gathered} 3y(y-2)=0 \\ 3y=0\rightarrow y=0 \\ y-2=0\rightarrow y=2 \end{gathered}

so,

\begin{gathered} y=0\rightarrow\sin x=0\rightarrow x=0or\pi \\ y=2\rightarrow\sin x=2 \end{gathered}

Note: the range of sine function is [ -1, 1]

So, sin x = 2 ( is rejected)

So, the answer will be: x ={ 0 , pi }

3 0
1 year ago
(1/2)^3-(1/4)^2+1/2 help?​
mrs_skeptik [129]

Answer:

 (\frac{1}{2}) ^{3} - (\frac{1}{4} )^{2} +\frac{1}{2} = \frac{9}{16}

Step-by-step explanation:

<u><em>Explanation:-</em></u>

Given

           (\frac{1}{2}) ^{3} - (\frac{1}{4} )^{2} +\frac{1}{2}

      = \frac{1}{8} - \frac{1}{16} + \frac{1}{2}

     =\frac{2-1}{16} + \frac{1}{2}

     = \frac{1}{16} + \frac{1}{2}

     = \frac{1+8}{16}

     = \frac{9}{16}

5 0
3 years ago
If u can, pls help me ( I WANTED TO PUT 30 POINTS, BUT I ACCIDENTALLY CLICKED 10
RoseWind [281]
I really can't see what you wrote
3 0
3 years ago
True or False: When we convert a decimal to a percent we are multiplying the decimal by 100.
mariarad [96]
The answer is true :)
3 0
3 years ago
What percent is 50% of 50% of x
kiruha [24]

Answer:

um the best i can say is 25% if thats the only info you give

Step-by-step explanation:

6 0
3 years ago
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