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REY [17]
2 years ago
10

40 POINTS!! Douglas is placing strings of lights around the edge of a circular patio with a diameter of 7.5 meters. The lights a

re in lengths of 1.45 meters. What is the best approximation for how many strings of lights Douglas needs? Use 3.14 to approximate for π.
5 strings
11 strings

17 strings

122 strings
Mathematics
2 answers:
marysya [2.9K]2 years ago
6 0
Your answer would be 17 strings !
pshichka [43]2 years ago
3 0

Answer:

17

Step-by-step explanation:

...................

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Point A is located at (5, 10) and point B is located at (20, 25).
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Let's say the point is C, so C partitions AB into two pieces, where AC is at a ratio of 3 and CB is at  a ratio of 7, thus 3:7,

\bf \left. \qquad  \right.\textit{internal division of a line segment}
\\\\\\
A(5,10)\qquad B(20,25)\qquad
\qquad 3:7
\\\\\\
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-------------------------------\\\\
{ C=\left(\cfrac{\textit{sum of "x" values}}{\textit{sum of ratios}}\quad ,\quad \cfrac{\textit{sum of "y" values}}{\textit{sum of ratios}}\right)}\\\
-------------------------------

\bf C=\left(\cfrac{(7\cdot 5)+(3\cdot 20)}{3+7}\quad ,\quad \cfrac{(7\cdot 10)+(3\cdot 25)}{3+7}\right)
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C=\left( \cfrac{19}{2}~~,~~\cfrac{29}{2} \right)\implies C=\left( 9\frac{1}{2}~~,~~14\frac{1}{2}  \right)
8 0
3 years ago
On Babylonian tablet YBC 4652, a problem is given that translates to this equation:
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The solution is
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3 0
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I don’t know why i’m confused on this one
cestrela7 [59]

dude its going to 14cm

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Step-by-step explanation:

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