What is another name for the set of counting numbers

Answers

Answer 1
Answer:

Its is called A positive integer or a natural number.


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A delivery man starts work at 21:30 and works for 8 12 hours.
At what time does he finish? Give your answer in 24 hour
format.

Answers

The time at which man starts its work=21:30
Time at which he finishes his work =21:30+8:12=29:42
Means at the next day he finishes his work .
And time is29:42-24:00=5:42

What is 3x+23+100x
For math

Answers

Your answer is 103x+23 because of the x's in the numbers of 3x and 100x have the x's and 23 does not hope this helps :)

Why is the answer negative?

Answers

Step-by-step explanation:

cos \: x =  (3)/(5)  =  (x)/(y)  \n  \implies \: x = 3 \:  \: and \:  \: r = 5 \n    \because \:  {y}  =   \pm\sqrt{ {r}^(2) -  {x}^(2)  }  \n  =  \pm\sqrt{ {5}^(2)  -  {3}^(2) }  \n  =  \pm√(25 - 9)  \n  = \pm √(16)  \n \therefore \: y  = \pm4 \n  \because \: x \: lies \: in \:  {4}^(th)  \: quadrant \n \therefore \: y  = - 4 \n  \n \because \: sin \: x  = (y)/(r)  \n  \n \huge \red{ \boxed{ \therefore \: sin \: x  = ( - 4)/(5)}}  \n  \n \because \: tan \: x  = (y)/(x)  \n  \n  \huge \purple{ \boxed{\therefore \: tan \: x  = ( - 4)/(3) }}

Write and solve a problem involving money that can be solved with a multiplication equation.

Answers

4x = 16

Problem:- Mary has 16 dollars and wants to buy some candy. Each candy is worth 4 dollars. How much candy did she buy if she spent all her cash? 

4x = 16
4x/4 = 16/4
x = 4

Answer; She bought 4 pieces of candy 

Three urns of the same appearance are given as follows: Urn A contains 5 red and 7 white balls. Urn B contains 4 red and 3 white balls. Urn C contains 3 red and 4 white balls. An urn is selected at random and ball is drawn from the urn. (1) What is the probability that the ball drawn is red. (2) If the ball drawn is red, what is the probability that it came from urn A.​

Answers

a) The probability that the ball drawn is red is approximately 0.4615

b) If the ball drawn is red, the probability that it came from urn A is approximately 0.7222.

To calculate the probabilities, we can use the following formulas:

a) Probability of drawing a red ball (R):

P(R) = (Number of red balls) / (Total number of balls)

b) Probability that the ball came from urn A given that it is red (R|A):

P(R|A) = (Probability of drawing a red ball from urn A) / (Probability of drawing a red ball)

Let's calculate both probabilities:

a) Probability of drawing a red ball:

Total number of red balls = 5 (Urn A) + 4 (Urn B) + 3 (Urn C) = 12

Total number of balls = 5 (Urn A) + 7 (Urn A) + 4 (Urn B) + 3 (Urn B) + 3 (Urn C) + 4 (Urn C) = 26

P(R) = 12 / 26 ≈ 0.4615

b) Probability that the ball came from urn A given that it is red:

P(R|A) = (Probability of drawing a red ball from urn A) / (Probability of drawing a red ball)

P(R|A) = (5 / 12) / (12 / 26) = (5 / 12) * (26 / 12) ≈ 0.7222

To learn more about probability click on,

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Answer:

1. 12/26, or simplified as 6/13, or about 46%.

2. 5/26, or about 19%.

Please; Help Needed ! The table shows the results of rolling a number cube, with sides labeled 1 through 6, several times.

What is the experimental probability of rolling a 1 or a 5?

Express your answer in simplest form.

Outcome 1 2 3 4 5 6
Number of times outcome occurred 10 6 4 8 6 6

Answers

Experimental probability  = 

         (number of times the result you wanted came up)
divided by
         (number of times you tried it) .

-- Number of times a 1 or a 5 came up  =  (10 + 6)  =  16

-- Number of times you tried it  =  (10 + 6 + 4 + 8 + 6 + 6)  =  40

-- Experimental probability  =  ( 16/40 )  =  2/5  =  40% .
If they want a ratio it is 1/6 or 5/6