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Andrei [34K]
4 years ago
15

Really confused with this problem. It would be great if someone could help

Mathematics
1 answer:
Vitek1552 [10]4 years ago
6 0
(2n+12) + (3n+18) = 180
⇒5n+30=180
⇒5n=150
⇒n=30


x=2n+12
  =2(30)+12
  =72°
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In a box 25 cards are there and 1 to 25 numbers are written on them. one card is drawn randomly. what is the probability that it
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<u>Explanation </u><u>:</u>

<u>Given that:</u>

  • In a box 25 cards are there and 1 to 25 numbers are written on them.

  • • One card is drawn randomly.

<u>To Find:</u>

  • • What is the probability that it is multiple of 5.

<u>We know that:</u>

P(E)= F/T

<u>Where,</u>

P(E)= Probability of an event

• F= Favourable outcomes . T = Total outcomes

<u>We have:</u>

F = Number of cards which are multiple of 5

Cards having the number 5, 10, 15, 20, 25 are the multiples of 5.

So, F = 5

T = Total number of cards

• T = 25

P(F) The probabilityP(E) = The probability that it is multiple of 5

Finding the probability that it is multiple of 5:

  • P(E)= 5/25

  • P(E)=1/5

<u>Hence,</u>

The probability that it is multiple of 5 is ⅕

6 0
3 years ago
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Gennadij [26K]

Answer:

pi times d

Step-by-step explanation:the actuall formula is 2 pi r but since the radius times 2 is the diameer its pi times d hope this helps god bless

8 0
3 years ago
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Leya [2.2K]

Answer:

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Step-by-step explanation:

The straight line is 180 degrees

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Answer:

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to get the number of pounds per feet

10 / 25 = 0.4

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IRISSAK [1]

Answer:

5

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Take 20, and divide it by 4.

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