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2 years ago

0+x=x name the property of the equation

Mathematics

1 answer:

bulgar [2K]2 years ago

3 0

Answer:

Identity Property

Step-by-step explanation:

The Identity Property states that if you have a number and you add 0 to it, the number stays the same.

Example: 0+x=x. You can imagine there is an invisible 1 in front of the x so the equation would look like 0+1x=1x. When you add 0 to a number the number stays the same (that's why it is called the <u>Identity</u> Property). 1+0=1 so 0+(1)x=(1)x.

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A certain manufactured item is visually inspected by two different inspectors. When a defective item comes through the line, the

andreev551 [17]

The fraction of a defective item getting by both inspectors is $\frac{5}{100}$ = $\frac{1}{20}$

Step-by-step explanation:

Step 1; Assume that the probability of the first inspector missing a defective part is P(A) and the probability of the second inspector missing those that do get past the first inspector is P(B).

Step 2; It is given that P(A) = 0.1, we convert this into a fraction so that the final probability will be a fraction and not a decimal.

P(A) = 0.1 = $\frac{1}{10}$ .

It is given that the second inspector misses 5 out of 10 that get past the first inspector, so P(B) = $\frac{5}{10}$ .

Step 3; To calculate the probability of both inspectors missing a defective part, we multiply both the probabilities.

P(A and B happening) = P(A) × P(B) = $\frac{1}{10}$ × $\frac{5}{10}$ = $\frac{5}{100}$ = $\frac{1}{20}$ = 0.05%. So there is a 0.05% chance of both inspectors missing a defective part.

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