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Romashka [77]
3 years ago
6

how many of the first ten positive whole numbers can be expressed as the sum of two different prime numbers?

Mathematics
1 answer:
leonid [27]3 years ago
7 0
1 = Not Possible
2 = Not Possible
3 = Not Possible
<span>4 = 2 + 2 </span>
<span>5 = 2 + 3 </span>
<span>6 = 3 + 3 </span>
<span>7 = 2 + 5 </span>
<span>8 = 3 + 5 </span>
<span>9 = 2 + 7 </span>
<span>10 = 3 + 7
</span>Taking into account that there must be two "Different" prime numbers, that leaves <span>5, 7, 8, 9, and 10. So 5 of the first 10 whole numbers.</span>
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Hi again here's the picture
pshichka [43]

Answer:

<h2>351.88 m</h2>

Step-by-step explanation:

Given,

D = diameter of semicircular part = 42 m

L = Length of straight part = 110 m

Now, let's find the perimeter:

= 2 ( length of semi-circle + length of straight part )

= 2( \frac{\pi \: d}{2}  + l)

Plug the values

= 2( \frac{3.14  \times 42}{2}  + 110)

Calculate the product

= 2( \frac{131.88}{2}  + 110)

Divide

= 2 (65.94 + 110)

Calculate the sum

= 2 \times 175.94

Calculate

= 351.88 \: m

Hope this helps..

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2 years ago
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Answer:

Step-by-step explanation:

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3 years ago
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Given the equation y = 3x + 2 , what is the value of x when y = 8? A:2 B:4 C:6 D:9
stiv31 [10]

Answer:

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Step-by-step explanation:

3 0
3 years ago
HELP ASAP I HAVE TO GET IT DONE<br><br><br> Solve for x in the diagram below
MA_775_DIABLO [31]

Answer:

x = 35

General Formulas and Concepts:

<u>Pre-Algebra</u>

  • Order of Operations: BPEMDAS
  • Equality Properties

<u>Geometry</u>

  • Definition of a Line: A line is 180°

Step-by-step explanation:

<u>Step 1: Set up equation</u>

40° + (2x + 30)° + 40° = 180°

<u>Step 2: Solve for </u><em><u>x</u></em>

  1. Combine like terms:                    2x + 110 = 180
  2. Subtract 110 on both sides:         2x = 70
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