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Morgarella [4.7K]
3 years ago
7

Help plz I need help

Mathematics
2 answers:
zalisa [80]3 years ago
5 0

Answer:

D. 240

Step-by-step explanation:

We have 20 stamps in 1 book.

We are give 12 books.

20(12) = 240

Vlad1618 [11]3 years ago
4 0

Answer:

D

Step-by-step explanation:

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You're at a clothing store that dyes your clothes while you wait. You get to pick from 4 pieces of clothing
Zielflug [23.3K]

1 / 12 is the probability that you'll end up with an  orange hat.

<u>Step-by-step explanation:</u>

Given that,

  • There are 4 piece of clothing ⇒ shirt, pants, socks, or hat
  • There are 3 possible colors ⇒ purple, blue, or orange

<u>To find the total number of outcome :</u>

Total outcomes ⇒ (number of clothes) × (number of colors)

⇒ 4 × 3 = 12

 Therefore, there will be 12 different possibilities.

<u>The 12 different outcomes are :</u>

⇒ Purple shirt, blue shirt, orange shirt

⇒ Purple pants, blue pants, orange pants

⇒ Purple socks, blue socks, orange socks

⇒ Purple hat, blue hat, and orange hat.

Now, the probability that you'll end up with an  orange hat if you choose on random of 12 possibilities ⇒ No.of orange hats / Total no.of outcomes.

∴ P(orange hat) = 1 / 12

7 0
3 years ago
A computer network manager wants to test the reliability of some new and expensive​ fiber-optic ethernet cables that the compute
Rudiy27

Answer:

The population is 4 boxes with each having 30 cables.

Meanwhile the sample size is 1 box and 6 cables.

8 0
3 years ago
Find the prodcut (2b+c)(3b+2c)
Vinil7 [7]
Use distributive property:
(a + b)(c + d) = ac + ad + bc + cd

(2b+c)(3b+2c)=(2b)(3b)+(2b)(2c)+(c)(3b)+(c)(2c)\\\\=6b^2+4bc+3bc+2c^2=6b^2+7bc+2c^2

7 0
3 years ago
Read 2 more answers
Jasmine earns $13 per hour tutoring students after school. If Jasmine tutored for 5 hours this month, how much money did she ear
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The answer would be $65
8 0
3 years ago
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A box contain 12 balls in which 4 are white 3 are blue and 5 are red.3 balls are drawn at random from the box.find the chance th
Masteriza [31]

Answer:

3/11

Step-by-step explanation:

In the above question, we have the following information

Total number of balls = 12

White balls = 4

Blue balls = 3

Red balls = 5

We are to find the chance of probability that if we select 3 balls, all the three are selected.

Hence,

Probability ( all the three balls are selected) = P(White ball) × P(Blue ball) × P( Red ball)

Probability ( all the three balls are selected) = 4/12 × 3/11 × 5/10

= 60/1320

= 1/22

The number of ways by which we can selected all the three balls is a total of 6 ways:

WBR = White, Blue, Red

WRB = White, Red, Blue

RBW = Red, Blue, White

RWB = Red, White, Blue

BRW = Blue, Red, White

BWR = Blue, White, Red

Therefore, the chance that all three are selected :

1/22 × 6 ways = 6/22 = 3/11

7 0
3 years ago
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