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LiRa [457]
3 years ago
12

8-5x =2x + 20 Simplify I’ll give brainliest

Mathematics
2 answers:
kobusy [5.1K]3 years ago
6 0

Answer:

X= - 12/7 i hope it is helpful have a nice day if you want steps i will show you

umka2103 [35]3 years ago
3 0

Answer/Step-by-step explanation:

  1. <em><u>Rearrange terms</u></em>

8 − 5 = 2 + 2 0 − 5 + 8 = 2 + 2 0

  1. <u><em>Subtract 8 from both sides of the equation</em></u>
  2. − 5 + 8 = 2 + 2 0 − 5 + 8 − 8 = 2 + 2 0 − 8
  1. <u><em>Simplify</em></u>
  2. <em>Subtract the numbers</em>

− 5 = 2 + 1 2

  1. <u><em>Subtract 2 2x 2x from both sides of the equation</em></u>
  2. − 5 = 2 + 1 2 − 5 − 2 = 2 + 1 2 − 2x
  1. <u><em>Simplify</em></u>
  2. <em>Combine like terms </em>

− 7 = 1 2

  1. <u><em>Divide both sides of the equation by the same term </em></u>

− 7 = 1 2 − 7 − 7 = 1 2 − 7

  1. <u><em>Simplify Cancel terms that are in both the numerator and denominator Divide the numbers </em></u>

= − 1 2 7

=]

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3 years ago
Help me with this please?
aleksandrvk [35]

Answer:

\sqrt{51} or 7.14

Step-by-step explanation:

Using the Pythagoras theorem, we can conclude the formula that we are going to use here is a^{2}+b^{2} = c^{2}

As we can see, this is a right triangle given that it has the square in the corner there. With this information, we can conclude that the longest side is 10, making it the hypotenuse or c

Now we need to find b in the formula of a^{2}+b^{2} = c^{2} making the equation b^{2} = c^{2} - a^{2} or b = \sqrt{ c^{2} - a^{2}}

Given the provided information, this would be b^{2} = 10^{2} - 7^{2} or b = \sqrt{ 10^{2} - 7^{2}}

Simplifying it would be b = \sqrt{ 100-49 = \sqrt{51}

The radical form would be \sqrt{51}

While it's integer would be 7.14

Hope this helps!

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A runner runs 400m west then changes direction and runs 600m south, If the entire trip takes 35s, what is the average speed? Giv
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Average Speed = Total Distance / Total Time

Total Distance = 400m + 600m = 1,000m

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Average Speed = 1,000/35 = 28.57 m/s (approx.)

<h2>Answer:</h2>

Average Speed in two decimal places is <u>28.57 m/s (approx.)</u>

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