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stefaniethibodeaux
10.11.2020 •
Mathematics
At the same time a 2-yard street sign casts a 3-yard shadow, a nearby utility pole casts a 12.3-yard shadow. How tall is the telephone pole? Round to the nearest tenth if necessary.
A) 18.5 yd
B) 3.2 yd
C) 3.1 yd
D) 3 yd
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Ответ:
The shadow cast is equal to .5 yards per every yard of object + the actual measurement
•5(12.3)= 6.15
6.15+12.3=18.45
Round up to 18.5
Ответ:
The coordinates of point S are (8,-2)
Step-by-step explanation:
we know that
The formula to calculate the midpoint between two points is equal to
Let
Point S(x2,y2)
substitute the given values
Solve for x2
Solve for y2
therefore
The coordinates of point S are (8,-2)