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3 years ago

WILL MARK BRANLIEST!!the tables below shows the values of y corresponding to different values of x

Mathematics

2 answers:

Sphinxa [80]3 years ago

8 0

Answer:

the last option should be correct: table a represents a function but b does not.

Step-by-step explanation:

Kitty [74]3 years ago

7 0

Answer: I'm pretty sure that it´s C but Im not sure.

Sorry if that's wrong.

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In a set of 25 aluminum castings, four castings are defective (D), and the remaining twenty-one are good (G). A quality control

lianna [129]

Answer:

The sample space for selecting the group to test contains 2,300 elementary events.

Step-by-step explanation:

There are a total of N = 25 aluminum castings.

Of these 25 aluminum castings, n₁ = 4 castings are defective (D) and n₂ = 21 are good (G).

It is provided that a quality control inspector randomly selects three of the twenty-five castings without replacement to test.

In mathematics, the procedure to select k items from n distinct items, without replacement, is known as combinations.

The formula to compute the combinations of k items from n is given by the formula:

${n\choose k}=\frac{n!}{k!(n-k)!}$

Compute the number of samples that are possible as follows:

${25\choose 3}=\frac{25!}{3!\times (25-3)!}$

$=\frac{25\times 24\times 23\times 22!}{3!\times 22!}\\\\=\frac{25\times 24\times 23}{3\times 2\times 1}\\\\=2300$

The sample space for selecting the group to test contains 2,300 elementary events.

6 0

3 years ago

Write words to match the expression 3+(4×12)

Airida [17]

3 more than the produce of 12 and 4.

3 0

3 years ago

Read 2 more answers

How many

Elan Coil [88]

45 12/25 I think that is it

6 0

2 years ago

In the Hawaiian Beach Boy surf board vendor scenario, what if the fine was increased to $190 but the probability of a fine decre

zloy xaker [14]

Answer:

$190.50

Step-by-step explanation:

Expected value is the sum of each possible income multiplied by its probability.

There's a 5% chance that the vendor makes $200 and loses $190 (net gain of $10).

There's a 95% chance that the vendor makes $200 and loses $0 (net gain of $200).

So the expected value is:

Exp(RS) = $10 × 0.05 + $200 × 0.95

Exp(RS) = $190.50

5 0

3 years ago

Seven more than the quotient of a number and 2 is -4

Rzqust [24]

Answer:

x/2 + 7 = -4

Step-by-step explanation:

7 more just means plus 7

a quotient of a number and blank basically is 'a number' (usually x) over a the number given if that makes sense. so in our scenario its x/2

'is' basically means is equal to

put it all together and you get x/2 + 7 = -4

hope this helps <3

5 0

3 years ago