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iragen [17]
3 years ago
6

What is 34 x 45 - 14x (5235+-42) / 24x

Mathematics
1 answer:
Musya8 [376]3 years ago
6 0

Answer:

3(2040x-4039)/4x

Step-by-step explanation:

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[PICTURE ATTACHED] HEELPP!
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Answer:

saving money

Step-by-step explanation:

it wouldn't be none with repaid yet!

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2 years ago
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A cell phone company has a basic plan of $40 plus $0.45 for any minutes over 700. Before receiving his statement, John saw he wa
Darya [45]

Answer:

718\ min

Step-by-step explanation:

Let

x ----> the number of minutes

y ----> the total charge in dollars

we know that

For x>700 min

y=0.45x+40

so

For y=48.10

substitute

48.10=0.45x+40

Multiply by 100 both sides

4,810=45x+4,000 ----> equation without decimals

solve for x

45x=4,810-4,000\\45x=810\\x=18\ min

To find out the total minutes we need to sum

18\ min+700\ min=718\ min

7 0
3 years ago
An element with mass 130 grams decays by 22% per minute. How much of the element is remaining after 7 minutes, to the nearest 10
shepuryov [24]

22.8 grams of element will be remaining after 7 minutes

Further explanation:

Given

Mass\ of\ element=130g\\Percentage\ of\ reduction=22\%

The element reduces (1-22%) in one minute.

The process will be repeated 7 times for 7 minutes

If we have to calculate the amount of element after 7 minutes

then the total reduction will be: (1-22%)^7

Remaining\ amount=130*(1-22\%)^7\\=130*(1-0.22)^7\\=130*(0.78)^7\\=130*0.18\\=22.84g\\Rounding\ off\ to\ nearest\ tenth\\=22.8g

22.8 grams of element will be remaining after 7 minutes

Keywords: Decay, Percentage

Learn more about percentage at:

  • brainly.com/question/11286417
  • brainly.com/question/11566221

#LearnwithBrainly

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3 years ago
Kissam Intermediate School UIL Math team is the best in Smith County. 12 boys and 13 girls tried out for the UIL Calculator Team
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I think it’s 0.9231
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Is a cube a polygon? Why or why not?
myrzilka [38]
No. A cube is a 3D figure and polygon is a 2D one.
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