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nignag [31]
3 years ago
5

Identify the distance between points (3,7,1) and (9,6,7), and identify the midpoint of the segment for which these are the endpo

ints. Round to the nearest tenth, if necessary.
Mathematics
2 answers:
Marianna [84]3 years ago
5 0

Answer:

d ≈ 8.5 units; M (6, 6.5, 4)

Step-by-step explanation:

Got a lucky guess on my quiz

Virty [35]3 years ago
4 0

Step-by-step explanation:

range = (3,7,1)  -  (9,6,7) \\  = ( - 6,1, - 6) \\ distance =  \sqrt{ {x}^{2} +  {y}^{2} +  {z}^{2}   }  \\  =  \sqrt{ {( - 6)}^{2} +  {1}^{2} +  {( - 6)}^{2}   }  \\  =  \sqrt{73}  \\  = 8.5 \: units

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yan [13]
The volume of the candle initially is:
V=Ab*h
Area of the base of the cylinder: Ab=pi*r^2
pi=3.14
Radius of the base: r=4 cm
Height of the cylinder: h=6 cm

Ab=pi*r^2
Ab=3.14*(4 cm)^2
Ab=3.14*(16 cm^2)
Ab=50.24 cm^2

V=Ab*h
V=(50.24 cm^2)*(6 cm)
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The candle melts at a constant rate of:
r=(60 cm^3)/(2 hours)=(120 cm^3)/(4 hours)=(180 cm^3)/(6 hours)
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The amount of candle melted off after 7 hours is:
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The percent of candle that is melted off after 7 hours is:
P=(A/V)*100%
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3 years ago
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aksik [14]
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then by the pythagorean theorem

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