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Gwar [14]
2 years ago
5

Help please thank you!

Mathematics
1 answer:
kvasek [131]2 years ago
5 0
The photo below has the answer

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The answer of Cubic root of 343 is 7

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For an art project, Kelvin cut a 4-foot piece of yarn into pieces. He then measured the length of each piece of yarn to the near
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(sin 10° + cos 10º)2 - 2 sin 80°cos 80°​
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3 years ago
The tempature is -3 degress.The temperature is expected to decrease 2.5 degress each hour until the temperature reaches -18 degr
Andrews [41]

We can set this problem up as an algebraic equation, which we can then solve to find our answer.


We start at -3. So we can start our equation with that:

-3


However, this doesn't represent any change in temperature, just that we start at -3. To show change, we will use the variable x, where x stands for the number of hours. Each hour accounts for a change of -2.5 in degrees, meaning that we must multiply our x by -2.5. We can now add this term into our equation:

-3 - 2.5x


We are trying to find when we will reach -18 degrees, so we will set our entire equation equal to -18 and solve:

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6 0
3 years ago
In a neutral atom that has an atomic mass of 22 and atomic number of 12, how many neutrons does this element have?
lozanna [386]

Given :

  • In a neutral atom that has an atomic mass of 22 and atomic number of 12.

To Find :-

  • The number of neutrons .

Solution :-

<u>As </u><u>we</u><u> know</u><u> that</u><u>,</u>

  • n(neutrons) + n(protons) = A
  • n(neutrons) + 12 = 2 2
  • n(neutrons) = 22-12
  • n(neutrons) = 10

<u>Hence </u><u>the</u><u> </u><u>required</u><u> answer</u><u> </u><u>is </u><u>1</u><u>0</u><u>.</u>

8 0
3 years ago
Read 2 more answers
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