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Norma-Jean [14]
3 years ago
9

I need help on this quickly. No work is needed.

Mathematics
1 answer:
-BARSIC- [3]3 years ago
8 0
(cd)/(a-b-d)

hope it helped
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Y-13&lt;6<br><br> Help please urgently!!
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8 0
3 years ago
Read 2 more answers
sam is eating a hamburger. He at 20% of the hamburger with his first bite, 20% of what is left in his second bite, and so on, ea
ryzh [129]

The hamburger will weigh 250 g, if there was originally 160g of it remaining after the second bite given that 20% of the hamburger with his first bite, 20% of what is left in his second bite, and so on, eating 20% of what remains with each bite. This can be obtained by assuming the total weight as x and multiplying the percentages.

<h3>How much did the hamburger weigh?</h3>

Let the total weight of the hamburger be x.

  • First it is given that Sam ate 20% of the hamburger.

The first bite will be,

20% of the hamburger = 20% × x

20% of the hamburger = 20/100 × x

20% of the hamburger = 20x/100

⇒ first bite = 20x/100

Therefore the remaining hamburger will be,

remaining hamburger = x - 20x/100

remaining hamburger = (100x - 20x)/100

⇒ remaining hamburger after first bite = 80x/100

  • Next it is given that Sam ate 20% of the remaining hamburger.

The second bite will be,

20% of the remaining hamburger = 20% × 80x/100

20% of the remaining hamburger = 20/100 × 80x/100

20% of the remaining hamburger = 16x/100

⇒ second bite = 16x/100

Therefore the remaining hamburger will be,

remaining hamburger = 80x/100 - 16x/100

remaining hamburger after second bite = 64x/100

  • It is given that there was originally 160g of it remaining after the second bite.

Then, 64x/100 = 160

x = 160 × 100/64

x = 250 g

Hence the hamburger will weigh 250 g, if there was originally 160g of it remaining after the second bite given that 20% of the hamburger with his first bite, 20% of what is left in his second bite, and so on, eating 20% of what remains with each bite.

Learn more about percentages here:

brainly.com/question/25395

#SPJ4

5 0
1 year ago
Express in simplest form: (3x^2 + 4x - 8) - (-2x^2 + 4x + 2)​
Karo-lina-s [1.5K]

Answer:

<u>5x² - 10</u>

Step-by-step explanation:

Step 1:

( 3x^{2} + 4x - 8 ) - ( -2x^{2} + 4x + 2 )   Equation

Step 2:

3x² + 4x - 8 + 2x² - 4x - 2    Open Parenthises

Answer:

5x² - 10          Simplify

Hope This Helps :)

4 0
3 years ago
Read 2 more answers
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