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Novay_Z [31]
3 years ago
13

3x + 2(5x - 3) = 7 I don’t get it

Mathematics
2 answers:
Nezavi [6.7K]3 years ago
7 0
3x +2(5x - 3) = 7

3x + 10x - 6 = 7

13x = 7 + 6

13x = 13

X = 1
madreJ [45]3 years ago
4 0
X = 1

you isolate the variable by diving each side by factors that don’t contain the variable :)
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Answer:

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Step-by-step explanation:

If Jerry initially releases 10 videos a week and creates an additional 3 each week, he will create a total of 3w+10 videos, where w is the number of weeks. If Martin initially releases 15 videos a week and creates an additional 2 each week, he will create a total of 2w+10 videos, since w is maintained. Therefore, the inequality \fbox{$3w+10>2w+15$} can be used to find who creates more videos, where w is the number of weeks.

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6

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3 years ago
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Step 1:Draw lines to represent the first set of options in the question (in our case, 3 factories). Label them (our question list A B and C so that is what we’ll use here).

Step 2: Convert the percentages to decimals, and place those on the appropriate branch in the diagram. For our example, 50% = 0.5, and 25% = 0.25.

Step 3: Draw the next set of branches. In our case, we were told that 70% of factory A’s output was passenger. Converting to decimals, we have 0.7 P (“P” is just my own shorthand here for “Passenger”) and 0.3 NP (“NP” = “Not Passenger”).

Step 4:Repeat step 3 for as many branches as you are given.


Step 5: Multiply the probabilities of the first branch that produces the desired result together. In our case, we want to know about the production of passenger places, so we choose the first branch that leads to P.

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3 years ago
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icang [17]

Answer:

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Step-by-step explanation:

You can prove this by taking 16 and dividing it by 2, and you will see that the answer is 8

Hope this helped <3

4 0
3 years ago
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