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3 years ago

Find the decimal equivalent to :

Mathematics

1 answer:

gladu [14]3 years ago

6 0

9514 1404 393

Answer:

0.5
0.4444444... repeating

Step-by-step explanation:

Your calculator can do this for you.

1. 2/4 = 1/2 = 5/10 = 0.5

2. The long division immediately becomes repetitive. The decimal equivalent is repeating 4s: 0.444...

_____

The long division is shown in the attachments. When the remainder is the same as the initial dividend, you know the quotient will repeat.

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The number of customers waiting for gift-wrap service at a department store is an rv X with possible values 0, 1, 2, 3, 4 and co

julia-pushkina [17]

Answer:

P[X=3,Y=3] = 0.0416

Step-by-step explanation:

Solution:

- X is the RV denoting the no. of customers in line.

- Y is the sum of Customers C.

- Where no. of Customers C's to be summed is equal to the X value.

- Since both events are independent we have:

P[X=3,Y=3] = P[X=3]*P[Y=3/X=3]

P[X=3].P[Y=3/X=3] = P[X=3]*P[C1+C2+C3=3/X=3]

P[X=3]*P[C1+C2+C3=3/X=3] = P[X=3]*P[C1=1,C2=1,C3=1]

P[X=3]*P[C1=1,C2=1,C3=1] = P[X=3]*(P[C=1]^3)

- Thus, we have:

P[X=3,Y=3] = P[X=3]*(P[C=1]^3) = 0.25*(0.55)^3

P[X=3,Y=3] = 0.0416

6 0

3 years ago

Find the product 1/2x3/4.

Sauron [17]

Answer:

The product is 3/8

Step-by-step explanation:

When you multiply two fractions, first multiply the numbers on the top (numerators).

1 * 3 = 3

Then multiply the bottom numbers (denominators).

2 * 4 = 8

Now stick the first over the second.

3/8

7 0

3 years ago

A triangle has angles measuring 43° and 62°. What is the measure of the triangle's third angle?

jarptica [38.1K]

Answer:

75 degrees

Step-by-step explanation:

I know the measure of the triangle's third angle is 75 degrees because all the angles of a triangle add up to 180 degrees. So, I did 180-62-43 and got 75. So, in order for this triangle to be true, the third triangle would have to be 75 degrees.

To check: 43 degrees+ 62 degrees+ 75 degrees = 180 degrees.

4 0

3 years ago

Read 2 more answers

3/5-the square root of 5

Ksenya-84 [330]

Answer:

1.341

Step-by-step explanation:

I'm smart at maths

3 0

3 years ago

A normal probability distribution

julia-pushkina [17]

Answer:

Option B) is a continuous probability distribution

Step-by-step explanation:

Properties of a normal probability distribution:

The mean, mode and median of the data is same.
It is a continuous probability distribution.
The area under the curve is 1.
The probability that any random variable X at a particular value is zero.

Thus, from the properties of normal distribution, the correct answer is:

Option B) is a continuous probability distribution

6 0

3 years ago