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Arte-miy333 [17]
2 years ago
8

HELLER HELLPPPP MEHHHH

Mathematics
2 answers:
anastassius [24]2 years ago
5 0
It’s D 5+2n
Explanation: 5 =5
So you’d start with 5 then your going to add. So use an addition sign. Then it 2 times a number. So we use two times a number. We don’t know the number so we use a variable instead.
ivolga24 [154]2 years ago
4 0

Answer:

I think the answer is D.

Step-by-step explanation:

Five plus two times a number means 5 + 2n vice versa.

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X to the power of two plus five x plus 4
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If a population consisted of 1000 people, a sample of the population could
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Which is better: having a stock that goes up 30% on Wednesday than drops 20% on Thursday, or a stock
finlep [7]

Step-by-step explanation:

  • If the stock goes up 30%, it's multiplied by 1.3.

The reason is that  x + .3 \times x=1.3\times x

  • If the stock goes down 20%, it's multiplied by 0.8

The reason is that x - .2 \times x = 0.8 \times x

  • If the stock goes down 30%, it's multiplied by 0.7

The reason is that x - .3 \times x = 0.7 \times x

  • If the stock goes up 40%, it's multiplied by 1.4.

The reason is that  x + .4 \times x=1.4\times x

So

If you increase it by 30% and then drop it by 20%, it means you are multiplying it by 1.3 and then multiplying it by .8. In other words:

1.3 \times 0.8=1.04

So, the net gain is = .04

Assume the original value = 500

Increase it by 30% and it becomes 650

Decrease 650 by 20% and it becomes 520

So, the net gain = 20

Verification:

500 \times .04=20

And

If you drop it by 30% and then increase it by 40%, you are multiplying it by .7 and then multiplying it by 1.4. In other words:

.7 \times 1.4=0.98

So, the net loss is = 1 - 0.98 = .02

Assume the original value = 500

Decrease it by 30% and it becomes 350.

increase 350 by 40% and it becomes 490.

So, the net loss is = 10

Verification:

500 \times .02=10

Keywords: stock, loss, gain

Learn more loss and gain from brainly.com/question/14456161

#learnwithBrainly

5 0
2 years ago
Pls I need help not the best at this.
Mazyrski [523]

Answer:

B

Step-by-step explanation:

because I did the math and had my mom check it :)

7 0
2 years ago
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