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Vlad1618 [11]
3 years ago
14

I need help I dont understand

Mathematics
1 answer:
svp [43]3 years ago
6 0

Answer:

X=5

mde=e

mef=5

mdfg=77

Step-by-step explanation:

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Six pyramids are shown inside of a cube. The height of the cube is h units. Six identical square pyramids can fill the same volu
MAXImum [283]

Answer:

(A)The height of each pyramid is One-half h units.

Step-by-step explanation:

Height of the Cube = h units

Volume of the Cube =h^3 $ cubic units

If Base of the cube =Base of the square pyramid

Base of the square pyramid = h units

\text{Volume of a Pyramid}=\dfrac{1}{3}*Base Area*Height

\text{Volume of One Pyramid}=\dfrac{1}{3}*h^2*Height

\text{Volume of Six Pyramids}=6*\dfrac{1}{3}*h^2*Height\\=(2h^2*Height)\:cubic\:units

Since Volume of the Cube = Volume of Six Square Pyramids

Then:

2h^2*Height=h^3\\Height=\dfrac{h^3}{2h^2} \\$Height of each pyramid =\dfrac{1}{2}h \:Units

5 0
4 years ago
Read 2 more answers
The value of an industrial machine has a decay factor of 0.75 per year. After six years, the machine is worth $7,500. What was t
8090 [49]
Given that the value of an industrial machine has a decay factor of 0.75 per year, and after six years, it became $7,500 only, this would mean that the original value of the machine would be solved like this: <span>7500 = x(1-.75)^6 
</span>7500 = x(0.25)^6
7500 = x(<span>0.00024414062)
7500 = </span><span>0.00024414062x
x = </span><span>30, 720, 000
Hope this answers your question.</span>
7 0
4 years ago
Which statement best describes the definition of x^m/n and explains why it makes sense?
Vsevolod [243]
I really don’t know
3 0
3 years ago
Will give brainliest to whoever answers right first
oksian1 [2.3K]

Answer:

0.5x+20=0.25x+30, m=40

Step-by-step explanation:

Blue: y=0.5x+20

Red: y=0.25+30

We’re looking for where the y (cost) is equal, so we can set the two equations to each other:

Isolate x:

0.5x+20=0.25x+30

0.5x+20-20=0.25x+30-20

0.5x=0.25x+10

0.5x-0.25x=0.25x+10-0.25x

0.25x=10

x=40

m= 40

7 0
3 years ago
Find the height of this triangle.
Bogdan [553]

Answer:

\sqrt{3}

Step-by-step explanation:

x^2 + 1 = 4

x^2 = 3

\sqrt{3}

7 0
3 years ago
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