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Basile [38]
2 years ago
9

Solve, showing all work: (4x − 6) + (3x + 6)

Mathematics
2 answers:
Kitty [74]2 years ago
4 0

Answer:

7x

Step-by-step explanation:

4x−6+3x+6

=4x+−6+3x+6

Combine Like Terms:

=4x+−6+3x+6

=(4x+3x)+(−6+6)

=7x

alisha [4.7K]2 years ago
3 0

Answer:

7x

Step-by-step explanation:

(4x - 6) + (3x + 6)

combine like terms:

7x - 6 + 6

subtract:

7x

hope this helped! :)

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Half of a set of the parts are manufactured by machine A and half by machine B. Ten percent of all the parts are defective. Six
baherus [9]

Answer:

The probability that a part was manufactured on machine A is 0.3

Step-by-step explanation:

Consider the provided information.

It is given that Half of a set of parts are manufactured by machine A and half by machine B.  

P(A)=0.5

Let d represents the probability that part is defective.

Ten percent of all the parts are defective.

P(d) = 0.10

Six percent of the parts manufactured on machine A are defective.

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Now we need to find the probability that a part was manufactured on machine A, and given that the part is defective :

P(A|d) =\frac{P(A \cap d)}{P(d)}

P(A|d) =\frac{P(d|A)\times P(A)}{P(d)}\\P(A|d)= \frac{0.06\times 0.5}{0.10}

P(A|d)= 0.3

Hence, the probability that a part was manufactured on machine A is 0.3

8 0
2 years ago
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pshichka [43]

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4 0
3 years ago
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just olya [345]

Answer:

D

Step-by-step explanation:

All we need to do is divide the values we are given.

12.21 / 1.48 = 8.25

Best of Luck!

7 0
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to find 10, divide 2 by 0.2
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to find 'something', divide 4 by 0.2
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Romashka-Z-Leto [24]
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