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Ira Lisetskai [31]

3 years ago

6

What shape is the base of a pentagonal pyramid ?

1 answer:

Likurg_2 [28]3 years ago

7 0

Answer:

Step-by-step explanation:

The regular pentagonal pyramid has a base that is a regular pentagon and lateral faces that are equilateral triangles.

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ou watch a roulette wheel spin 3 consecutive times and each time the ball lands in a red slot. What is the | probability that th

spayn [35]

Answer:

The probability is $\frac{18}{38}=0.4736$

Step-by-step explanation:

The game of roulette wheel consists in spinning a wheel with 38 slots : 18 red, 18 black and 2 green.

If we suppose that the roulette is a fair roulette, then each slot has an equal chance of capturing the ball and given that the ball lands in a red, black or green slot this event doesn't give us information about the following spin. Meaning that exists independence between each spin of the roulette wheel.

In our exercise, we spin the roulette wheel 3 consecutive times and each time the ball lands in a red slot. This doesn't give us information about the fourth spin (because of the independence).

Given that each slot has an equal chance of capturing the ball we can calculate the probability of the ball landing on a red slot on the next spin as :

$P(Red)=\frac{18}{38}=0.4736$

We divide the favourable cases (18 red slots) by the total cases (38 slots) in order to calculate the probability.

The probability is $\frac{18}{38}=0.4736$

6 0

2 years ago

desmond frabracates a tiny microchip it is squre in shape messuring 7.5 millimeters on each side. draw desmond chip to scale on

kolezko [41]

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Step-by-step explanation: brainliest plz and ty

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3 years ago

Which statement describes a many to one function A. it is a linear function B. it is a non linear function C. it passes the hori

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Find the volume of the pyramid shown.

Gnesinka [82]

Answer:

Volume of the shown pyramid is 40 square centimetre.

Step-by-step explanation:

Given:- From given figure we can see that,

Base length of the pyramid (L) = 5 cm.

Base width of the pyramid (W)= 4 cm.

Height of the pyramid (H)= 6 cm.

To find:- Volume of the pyramid = ?

Solution:-

Let, Base length of the pyramid be L,

Base width of the pyramid be W,

and height of the pyramid be H

Now,

Formula for volume of pyramid = $\frac{Base\ length\times Base\ width\times Height\ of\ pyramid}{3}$

Volume of pyramid = $\frac{L\times W\times H}{3}$

Volume of pyramid = $\frac{5\times 4\times 6}{3}$

Volume of pyramid = $\frac{120}{3}$

Volume of pyramid = 40 sq.cm.

Therefore volume of the shown pyramid is 40 square centimetre.

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3 years ago

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