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netineya [11]
3 years ago
8

Find the surface area of the pyramid. The faces of the triangular pyramid are equilateral triangles 34.6 mm 40 mm 40 mm The surf

ace area is?​

Mathematics
1 answer:
ollegr [7]3 years ago
8 0

Answer:

would you still like me to help you with this problem?

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Step-by-step explanation:

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Someone please help this is due tomorrow;(
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I showed all of it step by step.

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If a circle has a diameter of 3 cm, what is the circumference? Use 3.14 for (pi).
velikii [3]

9.42 is the circumference, for future refernce its just pi times diameter :)

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Here is a list of numbers.<br> 3 1 8 7 6 5 1<br> Work out<br> a the median<br> the range
LenKa [72]

Answer:

7

Step-by-step explanation:

median is the number at the center of the rest

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8 0
3 years ago
devin began running a month ago to get back in shape.the first day he ran .5 miles. each day after that he ran 10% more than the
SpyIntel [72]
The formula for the sum of the a finite geometric series is this:
Sn = a((1-r^n) / (1-r))

The given values are:
n = 30
a = 0.5 mi
r = 1.10 (10% more each day)

S30 = 0.5 ((1-1.10^30) / (1-1.10))
S30 = 82.25 mi

After 30 days, he will have traveled 82.25 miles.
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