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Nostrana [21]
3 years ago
8

Which of the following is an undefined term? a. angle b. line c. ray d. vertex

Mathematics
2 answers:
love history [14]3 years ago
5 0
The three undefined terms in geometry are line, point, and plane. So:
Your answer is B

I hope this helps:)
WITCHER [35]3 years ago
3 0

Answer: b. line

Step-by-step explanation:

We know that in geometry, there are three undefined terms and they are

1) point (no dimension)

2) line (one dimension)

3) plane (two dimension)

Therefore, from the given options the undefined term is 'line'.

In geometry a line is defined as a shape that is extending infinitely in two directions but has no width. It is one dimensional .

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nata0808 [166]

So, since we have a cubic equation with 4 terms, the first thing we should try is factoring by grouping, so:

12x^3+2x^2-30x+5 =0 \implies \\ 2x^2(6x+1)-5(6x+1)=0 \implies \\ (2x^2-5)(6x+1) = 0

Now that we've factored our equation, we can use ZPP and break it up:

2x^2-5 = 0 \implies \\ 2x^2=5 \implies\\ x^2=\frac{5}{2} \implies\\ x=\pm\frac{\sqrt{5}}{\sqrt{2}}=\pm\frac{\sqrt{10}}{2} \\ \\ 6x+1 =0 \implies \\ 6x=-1 \implies\\ x=\frac{-1}{6}

So, our solutions are:

x\in \{\frac{\sqrt{10}}{2},-\frac{\sqrt{10}}{2},-\frac{1}{6}\}

4 0
3 years ago
Solve for .....x <br><br><br> 2x+8=4
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Step-by-step explanation:

4 0
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Ashton just launched a new business page on social media. After one month, she has 35 followers.
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Answer:

122.5

Step-by-step explanation:

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Need help with this math question
Y_Kistochka [10]

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23%

Step-by-step explanation:

There are 4 male and 3 female freshmen. Thus the total number of freshmen is 7.

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Step-by-step explanation:

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