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White raven [17]
3 years ago
10

Find the value of x in the given figure using properties of parallel lines. answers: A) 35° B) 15° C) 75° D) 105°

Mathematics
2 answers:
Harlamova29_29 [7]3 years ago
8 0

Answer:

75 degrees

Step-by-step explanation:

those two angles = 180

180-105 =75

joja [24]3 years ago
8 0

Answer:

x = 75

Step-by-step explanation:

X and 105 are supplementary angles so they add to 180

x+105 = 180

Subtract 105 from each side

x = 180-105

x= 75

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\bf \begin{array}{lcccllll}&#10;&\stackrel{\textit{elapsed seconds}}{x_1}&\stackrel{\textit{ft from ground-floor}}{y_1}\\&#10;%   (a,b)&#10;&({{ 6}}\quad ,&{{ 350}})&#10;\end{array}&#10;\\\\\\&#10;% slope  = m&#10;slope = {{ m}}= \cfrac{rise}{run} \implies -20&#10;\\\\\\&#10;% point-slope intercept&#10;\stackrel{\textit{point-slope form}}{y-{{ y_1}}={{ m}}(x-{{ x_1}})}\implies y-350=-20(x-6)&#10;\\\\\\&#10;y-350=-20x+120\implies  y=-20x+\stackrel{y-intercept}{470}
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