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mars1129 [50]
3 years ago
6

What is the area of the drawing of the Jones' house? Round your answer to the nearest tenth

Mathematics
1 answer:
slega [8]3 years ago
3 0
Wher is said drawing?
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Jack looks at a clock tower from a distance and determines that the angle of elevation of the top of the tower is 40°. John, who
zmey [24]

Answer:

18.7939 m

Step-by-step explanation:

-Let x be the distance between John and clock tower.

-Let y be the vertical distance from the eyes of the two men  standing to the top of the clock tower.

#Taking the right triangle ACD:

\Tan \ theta=\frac{Perpendicular \ Height}{Base}\\\\Tan \ 60\textdegree=\frac{y+1.5}{x}\\\\y=x \ Tan \ 60\textdegree -1.5

#Taking the right triangle ABD:

\Tan \ theta=\frac{Perpendicular \ Height}{Base}\\\\Tan \ 40\textdegree=\frac{y+1.5}{x+20}\\\\y=(x+20)\ Tan \ 40\textdegree -1.5

#We equate the two yo solve for x and y;

(x+20)\ Tan \ 40\textdegree -1.5=x\ Tan \ 60\textdegree -1.5\\\\(x+20)\ Tan \ 40\textdegree=x\ Tan \ 60\textdegree\\\\0.8391x+16.7820=1.7321x\\\\x=18.7939

Hence, John's distance from the tower's base is 18.7939 m

8 0
3 years ago
5•11+5•(-4)=5(11-4) wich property?​
ludmilkaskok [199]

Answer:

Step-by-step explanation:

55

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3 years ago
Of the 16 children at the park, 10 are riding bicycles and 6 are riding skateboards. Select the
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Step-by-step explanation:

its a or e

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1 1/16 cups of butter times 20 equals how much
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13.75 Cups in us cups
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Carefully review the research matrix presented below. If this is a within subjects design, how many total participants will be u
frozen [14]

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c. 45

Step-by-step explanation:

there are 15 participant in each category, and there are 3 categories, so total participants = 15 * 3

= 45

Hope this helps, and please mark me brainliest if it does!

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3 years ago
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