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Zielflug [23.3K]
3 years ago
9

After cutting 1 5/8 in. off the end of a piece of molding, a carpenter had the exact length that he needed, which was 32 1/8 in.

What was the length of the original piece of molding?
Mathematics
1 answer:
kompoz [17]3 years ago
5 0
33 6/8 in. (also 33 1/2 reduced) 
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The current population of the Earth is estimated to be about 7,440,000,000 people. Express this number using scientific notation
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7.44 × 10⁹

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Step-by-step explanation:

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2 years ago
Can some one help me please
11111nata11111 [884]

Answer:

2x²√13

Step-by-step explanation:

Step 1:  When there is multiplication under a square root sign (also called a radical sign), you can rewrite the expression as the product of two square roots, like this...

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Step 2:  x^4 = x²x², so it's the same thing as saying (x²)², or "x-squared, squared".  Taking the square root of it leaves just x-squared, so this simplifies to

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Step 3:  When taking the square root of a number that is not a perfect square, you need to do a factor tree to see if you can break the number up into a product of perfect squares, or a perfect square multiplied by a prime number.

52 is an even number, so we an at least divide by 2.  

        52/2  is 26, so we have

                  (26)(2)

2 is a prime number, so we don't break that down any further.

26 is even so it is also divisible by 2,

   26/2 is 13, so we have

     (13)(2)(2)

  which we can write as (13)(4)     (groups pairs of numbers together)

(2)(2) is 4, which results in a perfect square, so we can rewrite √52 as

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We simplify the expression to 2x²√13

3 0
3 years ago
Help! Due in about 2 hours
ExtremeBDS [4]
1. 672/12 = 56
2. 1440/16 = 90
3. 784/7 = 112
7 0
1 year ago
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