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MA_775_DIABLO [31]
3 years ago
7

c{2}{3} + \frac{1}{6} " alt=" \frac{2}{3} + \frac{1}{6} " align="absmiddle" class="latex-formula">
please can you do it for me ​
Mathematics
2 answers:
Leokris [45]3 years ago
6 0
Answer: 5/6

Explanation: First, find a common denominator of 6. Multiple 2 and 3 times 2 to get 4/6. Then you just add the numerator. This gives you 5/6.
Tpy6a [65]3 years ago
3 0

\frac{5}{6}

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F(x)=x^2-3x+18 how many distinct real number zeros does f have?
vampirchik [111]

Answer:

None of the distinct real number zeros the function have.

Step-by-step explanation:

Considering the function

f(x)=x^2-3x+18

The zeroes of a function are those values that touches the x-axis. In order to find those values we must

Set  f(x) = 0 in order to find those values

0=x^2-3x+18

\mathrm{Switch\:sides}

x^2-3x+18=0

\mathrm{Solve\:with\:the\:quadratic\:formula}

\mathrm{For\:a\:quadratic\:equation\:of\:the\:form\:}ax^2+bx+c=0\mathrm{\:the\:solutions\:are\:}

x_{1,\:2}=\frac{-b\pm \sqrt{b^2-4ac}}{2a}

\mathrm{For\:}\quad a=1,\:b=-3,\:c=18:\quad x_{1,\:2}=\frac{-\left(-3\right)\pm \sqrt{\left(-3\right)^2-4\cdot \:1\cdot \:18}}{2\cdot \:1}

x=\frac{-\left(-3\right)+\sqrt{\left(-3\right)^2-4\cdot \:1\cdot \:18}}{2\cdot \:1}

x=\frac{3+\sqrt{\left(-3\right)^2-4\cdot \:1\cdot \:18}}{2\cdot \:1}

As

3+\sqrt{\left(-3\right)^2-4\cdot \:1\cdot \:18}=3+\sqrt{63}i

so

x=\frac{3+\sqrt{63}i}{2\cdot \:1}

x=\frac{3+3\sqrt{7}i}{2}

x=\frac{3}{2}+\frac{3\sqrt{7}}{2}i

Similarly,

x=\frac{-\left(-3\right)-\sqrt{\left(-3\right)^2-4\cdot \:1\cdot \:18}}{2\cdot \:1}:\quad \frac{3}{2}-i\frac{3\sqrt{7}}{2}

\mathrm{The\:solutions\:to\:the\:quadratic\:equation\:are:}

x=\frac{3}{2}+i\frac{3\sqrt{7}}{2},\:x=\frac{3}{2}-i\frac{3\sqrt{7}}{2}

BUT, NONE OF THEM ARE REAL NUMBER ZEROS.

Therefore, none of the distinct real number zeros the function have.

5 0
4 years ago
PLZZZZ HELP WILL MARK BRAINLIEST
RoseWind [281]
Hey there!

the answer is : <span>D.Either the IQR or the range are good measures of variability because the distribution has no outliers.
</span><span>

I took this quiz and this is right 100%

Hopes this Helps u :D</span>
5 0
3 years ago
Read 2 more answers
What is the partial product of 434x310
Svetach [21]
You just simply multiply 434×310 will give you your answer
3 0
4 years ago
Read 2 more answers
Please help me fast!
Ilia_Sergeevich [38]

Answer:

150u+90

Step-by-step explanation:

..

3 0
3 years ago
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The equilateral triangle and the rectangle have the same perimeters. Find the value of x.
castortr0y [4]
We can't answer the question, you haven't given us the information, we need to know what the x is here, or if they gave you a value.

3 0
4 years ago
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