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3 years ago

Please help I’m stuck

Mathematics

1 answer:

Aliun [14]3 years ago

6 0

Okay so in the little chart at the bottom of the page, the first 2 are true, and the last one is false.

I hope this helps. If it does, please rate as Brainliest

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3. Find the volume of the pyramid.

Gnoma [55]

Answer:

$916.11\:ft^{3}$

Step-by-step explanation:

Volume of the hexagonal pyramid = $1/3\times (area\: of \: hexagonal\:base)\times height$

Here sides of hexagonal base = 9 ft

So, Area of hexagon = $6\times \frac{\sqrt{3} }{4} a^{2}$

$6\times \frac{\sqrt{3} }{4} \times 9 \times 9$

$= 210.5$

Height is given, 13 ft

So, volume = $1/3\times 210.5\times 13$

$= 916.11\: ft^{3}$

<u>OAmalOHopeO</u>

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3 years ago

The friendly old woman sold 38 long-

dem82 [27]

Answer:

Step-by-step eWrite 2.9 as

2.9

Multiply both numerator and denominator by 10 for every number after the decimal point

2.9 × 10

1 × 10

Reducing the fraction gives

10xplanation:

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3 years ago

A cylinder has volume 63 cm3. What is the volume of a cone with the same radius and height?

aev [14]

it's answer is

volume of a cone = 21

7 0

3 years ago

I really Need help solving this problem!

Paraphin [41]

Answer:

Hello,

Answer A : 11.2 ≤ X ≤ 29.2

Step-by-step explanation:

$Z=\dfrac{X-20.2}{4.5} \\\\X=4.5*Z+20.2\\\\For\ Z=-2, \ X=4.5*(-2)+20.2=11.2\\For\ Z=2, \ X=4.5*2+20.2=29.2\\$

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3 years ago

If BD = 8x - 27 and EC = 2x + 33, find BD.

KonstantinChe [14]

BD= 53 units
Good Luck! <3

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3 years ago

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