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Svet_ta [14]
3 years ago
5

What is the justification for the step taken from line 2 to line 3?

Mathematics
1 answer:
natima [27]3 years ago
5 0

Answer:

They subtracted 2x from both sides.

Step-by-step explanation:

They removed 2x from each side because in order to find x it will have to be removed on one side. Since 2x - 2x = 0 it is 2x is out of the equation for the right side and on the left side -2x -(-4x) = -6x which means that there is one x variable left in the equation thus making it solvable.

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Wat is 320,000,000 written in scientific notation
vazorg [7]

Answer:

3.2 x 108

Step-by-step explanation:

it just is lol. also the 8 is to the power of ten

4 0
3 years ago
Roopesh has $24 dollars to spend on a birthday gift. The store where he is shopping has a sale offering $5 off the regular price
Natasha2012 [34]

Answer:

r ≤ 29, r-5

The sale price can be compared with the regular price, r-5 ≤ 24

Step-by-step explanation:

Amount to spend = $24

Regular price = r

Sale = $5

Sale Price = r-5

The regular price will be $5, at the max, more than the amount Roopesh has to spend.

The sale price will be $24 or less than that for Roopesh to afford.

Inequality for regular price:

r-5 ≤ 24

r ≤ 29

So, the product Roopesh can afford is $29 or less than that.

What is the unknown? r ≤ 29

Following expression can represent the sale price:

Sale price = r-5  

The sale price can be compared with the regular price with the following:

Inequality representing the situation: r-5 ≤ 24

3 0
3 years ago
quinn is playing video games at a virtual reality game room . The game room charges 20 dollars for every 30 minutes of play time
USPshnik [31]

Answer:$100

Step-by-step explanation:

He need five periods of play time because 150 divided my 30 is 5. Then, you multiply 5 times the $20 because it is $20 for every 20 minutes.

Therefore, the answer is 20.

5 0
3 years ago
Please this will determine if I pass
PSYCHO15rus [73]
The answer is B through ASA (Angle-Side-Angle) similarity criterion.
5 0
3 years ago
I have no idea what this is since I was absent and my teacher is didn’t it explain it to me, someone?
MatroZZZ [7]

Answer:

Step-by-step explanation:

4 0
3 years ago
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