3 years ago

Which set of points represents a function?

Mathematics

2 answers:

Usimov [2.4K]3 years ago

8 0

In the Orgin is where u get most of the function at so look there

Vesnalui [34]3 years ago

7 0

Is there a picture for this question or options ?

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The length of each side of an equilateral triangle is 74mm, correct to the nearest millimeter. Calculate the smallest possible p

Olin [163]

Answer:

221 mm

Step-by-step explanation:

The dimension 74 mm is presumed to mean that the actual length could be anywhere in the interval [73.5, 74.5). So, the minimum perimeter is ...

3 × 73.5 = 220.5 ≈ 221 . . . millimeters

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The perimeter of an equilateral triangle is 3 times the side length, since all three sides of the triangle are the same length.

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3 years ago

okay so I don't really understand how to change a decimal to a fraction and the teacher never really explained it to us and she

Fofino [41]

$\bf 0.2121\overline{21}\qquad \qquad \qquad x=0.2121\overline{21}\\\\ -------------------------------\\\\ \stackrel{\textit{moving the 21 to the left}}{\stackrel{100\cdot x}{100\cdot 0.2121\overline{21}}}\implies 21.2121\overline{21}\implies \begin{array}{llll} 21&+&0.2121\overline{21}\\ 21&+&x \end{array} \\\\\\ therefore\qquad \qquad 100x = 21+x\implies 99x=21 \\\\\\ x=\cfrac{21}{99}\implies x=\stackrel{simplified}{\cfrac{7}{33}}$