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skelet666 [1.2K]
3 years ago
10

WILL GIVE BRAINLIEST

Mathematics
2 answers:
koban [17]3 years ago
7 0

Step-by-step explanation:

A) The volume of a cone is \frac{1}{3} \pi r^{2}h, so this is (6)(6)(8)(pi)/3 = 96pi, which is approx. 301.4

B)  \pi r^{2}h, is the volume of a cylinder. This means the volume is (21)(5)(5)(pi) = 525pi, which is approx. 1648.5

C) The volume of a sphere is s \frac{4}{3} \pi r^{3} meaning that the volume is (20)(20)(20)(4)(pi)/(3) = 32000/3 pi, which is approx. 33493.3

Gekata [30.6K]3 years ago
5 0

Answer:

i need 2 more brainliest to rank up but that guy above me took the cake

Step-by-step explanation:

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pshichka [43]
I can't see all the triangles, but basically, it is asking you to write down triangles that are congruent with each other.

The marks in the corner of the triangle indicate that the angles of that triangle are congruent to the other triangle.

So,

Triangle NOP= Triangle NQP

Make sure that the points align with each other, otherwise you could be saying that two different triangles are congruent to each other. 

N= N   O=Q  P=P  

I hope this cleared some confusion! 
~kaikers
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3 years ago
Given: &lt;1 congruent to &lt;2<br>prove: AB is congruent to CB​
Viktor [21]

Answer:

Because 3 and 2 are vertical angles

Step-by-step explanation:

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8 0
3 years ago
????!! Someone please explain this
oee [108]

Answer:

$24

Step-by-step explanation:

First, find the cost to cover one pair of shoes.

Cost to cover one pair of shoes = surface area of the shoe box × cost per square inch

= 2(LW + LH + HW) × 0.02

L = 14 in.

W = 8 in.

H = 4 in.

Plug in the values

Cost to cover one pair of shoes = 2(14*8 + 14*4 + 4*8) × 0.02

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3 years ago
(-327) + 420 + 521=
Tems11 [23]
144 hope this helps! :)
6 0
3 years ago
Read 2 more answers
Five whole numbers are written in order
jeka57 [31]

Answer:

x=7

y=8

Step-by-step explanation:

-Given that the mean and median is the same.

-Let b=mean =median

#Given that the set is arranged in order and is even:

median=\frac{n+1}{2}\\\\Median=3^{rd} \ term\\\\=x

Hence:

b=median=mean\\\\b=x\\\\\therefore mean=median=x

-Applying the mean formula:

\bar x=\frac{1}{n}\sum{x_i}\\\\\therefore 5x=4+6+x+y+10\\\\4x=20+y\\\\x=5+0.25y

#Since the number are in order:

6

Hence, x=7 and y=8

8 0
3 years ago
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