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aliya0001 [1]
3 years ago
5

Simplify the expression

Mathematics
2 answers:
forsale [732]3 years ago
7 0
2x+3(x-2)-3(x-6) You would first distribute. So: 2x+3x-6-3x+18 Then you would combine like terms, like so: 2x+3x-3x= 2x -6+18= 12 So it'd be: 2x + 12 Which is answer choice A HOPE THIS HELPS!!(:
borishaifa [10]3 years ago
5 0
2x+3(x-2)-3(x-6) \\ \\ 2x + 3x - 6 - 3x + 18 \ / \ expand \\ \\ (2x + 3x - 3x) - 6 + 18 \ / \ gather \ the \ like \ terms \\ \\ 2x - 6 + 18 \ / \ simplify \\ \\ 2x + 12 \ / \ simplify \\ \\

The final result is A) 2x + 12.
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Write an algebraic expression to answer each question do this on a sheet of paper
Korolek [52]

Hello.

In 10 years, his age will be

\mathrm{z+10}

The sum of his current age and 10 equals his age in 10 years.

2 years ago his age was

\mathrm{z-2}

The difference of his current age and 2 equals his age 2 years ago.

7 years ago his age was

\mathrm{z-7}

The difference of his current age and 7 equals his age 7 years ago.

Therefore, his age after 10 years will be \mathrm{z+10}, his age 2 years ago was \mathrm{z-2}, and his age 7 years ago was \mathrm{z-7}

I hope it helps.

Have a nice day.

\boxed{imperturbability}

4 0
2 years ago
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Translate Each sentence into an equation!!!
Amanda [17]
20+2N=52
now subtract 20 from each side, to get 2N alone
2N=32
now divide each side by 2 
N=16
6 0
3 years ago
4= 6/a + 5 solve for x
Scorpion4ik [409]

Answer:

a=-6

Step-by-step explanation:

4= 6/a + 5

Subtract 5 from each side

4-5= 6/a + 5 -5

-1 = 6/a

Multiply by a on each side

-1*a = 6/a *a

-a =6

Multiply by -1

a= -6

6 0
3 years ago
A certain plant runs three shifts per day. Of all the items produced by the plant, 50% of them are produced on the first shift,
Snezhnost [94]

Answer:

0.2941 = 29.41% probability that it was manufactured during the first shift.

Step-by-step explanation:

Conditional Probability

We use the conditional probability formula to solve this question. It is

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

In which

P(B|A) is the probability of event B happening, given that A happened.

P(A \cap B) is the probability of both A and B happening.

P(A) is the probability of A happening.

In this question:

Event A: Defective

Event B: Manufactured during the first shift.

Probability of a defective item:

1% of 50%(first shift)

2% of 30%(second shift)

3% of 20%(third shift).

So

P(A) = 0.01*0.5 + 0.02*0.3 + 0.03*0.2 = 0.017

Probability of a defective item being produced on the first shift:

1% of 50%. So

P(A \cap B) = 0.01*0.5 = 0.005

What is the probability that it was manufactured during the first shift?

P(B|A) = \frac{P(A \cap B)}{P(A)} = \frac{0.005}{0.017} = 0.2941

0.2941 = 29.41% probability that it was manufactured during the first shift.

6 0
2 years ago
If the radius of a circle is 3.5 what is the diameter
castortr0y [4]
Radius is half of the diameter so it's 7 for the diameter.
4 0
3 years ago
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