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zimovet [89]
3 years ago
11

Approximately 3 out of every 25 people are left-handed. How many left-handed

Mathematics
1 answer:
Liono4ka [1.6K]3 years ago
3 0

Answer: 198 left handed students

Step-by-step explanation:

You have to divide the 1650 by 25 and that equals 66 then multiply by 3 and that equals 198

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Subtract and write your answer as mixed number. 5 3/4 - 1 2/3
Sunny_sXe [5.5K]

Answer: 4 1/12

Step-by-step explanation:

4 0
2 years ago
Suppose task B follows task A. The likelihood that a problem will occur with task A is 0.5, and the time to correct the problem
jasenka [17]

Answer:

The risk consequence of both activities is 1.6 months.

Step-by-step explanation:

We can define a randome variable D: total delay time for the project, and calculate its expected value.

This would be the risk consequence of both activities.

The expected delay time for the project is the sum of the expected delay for task A plus the expected delay for task B. It is assumed the likelihood of a problem in any task is independent of the other.

Then, each expected delay for a task is equal to the probability of a problem multiplied by the consequence (delay time).

E(D)=E(D_a)+E(D_b)=p_aT_a+p_bT_b\\\\E(D)=0.5*2+0.2*3=1+0.6=1.6

The risk consequence of both activities is 1.6 months.

6 0
3 years ago
Anyone know the answer ​
Dmitry_Shevchenko [17]

Answer: 0.1 goes in the blank because the hundredths is improper

Step-by-step explanation:

5 0
2 years ago
Will give brainliest.
Dennis_Churaev [7]
Pretty sure it's A. (X times .5 equals Y)
8 0
3 years ago
My shadow in the back. Yeah no I need help. One again.
Neporo4naja [7]

1 2/5 - (-3/5)

First, we're going to convert 1 2/5 into an improper fraction.

1 2/5 = 7/5

7/5 - (-3/5)

Subtracting a negative is the same as adding, so the problem will look like:

7/5 + 3/5

The denominators are the same, so we just add the numerators.

The answer is 10/5, or 2.

7 0
3 years ago
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