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kakasveta [241]
2 years ago
13

Part One: Find SURFACE AREA. Show your calculations for each face.

Mathematics
1 answer:
erma4kov [3.2K]2 years ago
3 0

Answer:

Step-by-step explanation:

For Part A:

Surface Area = πr(r+ \sqrt{h^{2} + r^{2}  } )

Surface Area = π 3 ( 3 + \sqrt{16 + 9} )

Surface Area = π * 3 (8)

Surface Area = π * 24

Surface Area =75.4

For Part B

V = πr^2 h/3

V = π * 9 * 4/3

v= 37.7

Send love:333

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scoray [572]
Next year there will be about 468 students, to get this answer you multiply 0.04 × 450 to get 18. You then add 18 to 450 to get 468.

Hope this helps!
5 0
3 years ago
Find S20 for the geometric series 4 + 12 + 36 + 108 + … 5,034,043,187 5,123,498,245` 6,973,568,800 7,321,089,348
yan [13]
A_{1} = 4
a_{2} = 12

a_{2} = a_{1}*q
12 = 4q
q = 3

S20 = a_{1}*\frac{(q^{20}-1)}{(q-1)}

S20 = 4*\frac{(3^{20}-1)}{3-1}

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8 0
3 years ago
if a supplement of an angle has a measure 78 less than the measure of the angle, what are the measures of the angles?
Citrus2011 [14]

Answer:

x + x -78= 180

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2x = 258

x = 129

x-78= 51

7 0
3 years ago
SOMEONE PLS HELP W 3 AND 4
Tpy6a [65]

Answer:

15 to the 3rd power and false

Step-by-step explanation:

8 0
3 years ago
A daycare has 32 ft of dividers with which to enclose a rectangular play space in a corner of a large room. The sides against th
ser-zykov [4K]

Answer:

A=x(32-x)

Step-by-step explanation:

for  a 32ft divider, e need to determine the length of the sides of the rectangular space. but since the length and breadth gives 32ft, we can express the side as

breadth= b,

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hence the area can be expressed as

A=l*x

A=x(32-x) unit square

the area  expressed as a function of x is giving below

A(x)=x|(32-x)

5 0
3 years ago
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