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Alika [10]
3 years ago
11

Solve for x. 2(3x - 7) = -3x + 4

Mathematics
2 answers:
Dafna1 [17]3 years ago
8 0
X= 2
First you would multiple 2 with what’s in the parentheses so

6x-14= -3x+4

And then you have to get the x on the same side so you’d have to add 3x to the other side

9x-14=4

And you want to get the x alone so you’d add 14 to the other side

9x=18

And then you divide both sides by 9

X=2
77julia77 [94]3 years ago
4 0

Answer:

x=2

Step-by-step explanation:

2(3x - 7) = -3x + 4

6x -14 =-3x +4

6x+3x = 14+4

9x= 18

x=18/9

x=2

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Novay_Z [31]

Answer:

The slope of the line will change from negative to positive

Step-by-step explanation:

the equation is in the form of y=mx+c and m is negative. By multiplying m with another negative number it turns positive, thus slope changes from negative to positive

3 0
3 years ago
Read 2 more answers
10 points.
rusak2 [61]

Answer:

<u>The difference between the experimental probability and the theoretical probability is 0.08 (rounding the answer to the nearest hundredth) or 8%.</u>

Correct statement and question:

Regina has a bag of 6 orange marbles and 6 black marbles. She picks a marble at random and then puts it back in the bag. She does this 24 times. The results can be found in the table.

Outcome Tally

Orange  10

Black     14

Figure out the percent error of pulling a black marble in Regina’s experiment. Show your work and round the answer to the nearest hundredth.

Source:

Previous question that can be found at brainly

Step-by-step explanation:

1. Let's review the information provided to us to answer the question correctly:

Number of orange marbles = 6

Number of black marbles = 6

Number of times of the experiment = 24

Number of times the outcome was an orange marble = 10

Number of times the outcome was a black marble  = 14

2. Figure out the percent error of pulling a black marble in Regina’s experiment. Show your work and round the answer to the nearest hundredth.

The theoretical probability of pulling a black marble is 12/24 or 0.5, given that the number of orange and black marbles are equal and actually, the experimental probability is 14/24 or 0.5833.

We can't describe this difference as an "error". What happened here is that there is a difference between the experimental probability and the theoretical probability.

0.5833 - 0.5 = 0.0833 = 0.08 (rounding the answer to the nearest hundredth)

<u>The difference between the experimental probability and the theoretical probability is 0.08 (rounding the answer to the nearest hundredth) or 8%.</u>

5 0
3 years ago
49 × 66 + 49 × 34 = 49 × ( ____+ _____)​
Mashutka [201]

Answer:

49×66+49×34 = 49× (66+34)

5 0
2 years ago
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Need help I got 23,294 as the answer but it’s not an option please explain how you got the answer.
OLEGan [10]

Answer:

A

Step-by-step explanation:

Calculation seems correct to me, with d the distance and h the height of the plane, and i got the same value. Closest value is A tho, so i'd stick with it.

If you want to be pedantic about it, you can always divide the heigth by each value, and get the inverse tangent of each value. With A you get 17.995 which seems the best value you get

8 0
2 years ago
Solve |4 - 2x| = |3x + 2|.
Vladimir79 [104]

Answer:

A

Step-by-step explanation:

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