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vova2212 [387]
3 years ago
15

I need your guys help as soon as possible!

Mathematics
1 answer:
DanielleElmas [232]3 years ago
4 0

Answer:

Slope of parallel: -1/4

Slope of perpendicular: 4

y=mx+b

m=slope

parallel= slope

perpendicular= slope opposite

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8 0
2 years ago
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likoan [24]

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Step-by-step explanation:

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3 years ago
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2 years ago
What is the approximate surface area of the sphere if circumference is 37.68?
damaskus [11]

The surface area of a sphere is  A = 4 π R² .

Sadly, the question doesn't give you 'R', so you have to
back it out of the circumference.

                           Circumference = π (diameter)

Divide each side by π :  Diameter = circumference / π

Radius = 1/2 diameter:  Radius = circumference / (2 π)

                                       Area = 4 π R²  =

                                                 4 π (circumference/2π)² =

                                                 4 π (circumference)² / 4 π²

Divide top and bottom by  4π :  Area = (Circumference)² / π

         Circumference = 37.68 units

         Area =  (37.68)² square units /π =
    
                       <em>451.93 square units</em>


8 0
2 years ago
A 12-issue magazine subscription costs $36. What is the average cost per issue of the magazine?
Natasha2012 [34]
$3 
its like a pack of 12 magazines costing $36 and you asked the cost of one magazine
by proportion; let average be=?
12~$36
1~?
1/12=?/36
?=(1/12)*36
?=3=average
7 0
3 years ago
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