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lesantik [10]
3 years ago
10

2x – 10 = 1/2(x – 8)

Mathematics
2 answers:
slava [35]3 years ago
8 0

Answer:

X= 4

Step-by-step explanation:

alukav5142 [94]3 years ago
5 0
Answer: x=4


Simplify 1/2(x-8) to x-8/2

Multiply both sides by 2

Add 20 to both sides

Simplify x-8+20 to x+12

Subtract x from both sides

Simplify 4x-x to 3x

Divide both sides by 3

Simplify 12/3 to 4
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3 years ago
Many chemistry conferences have held a 50-trillion angstrom run (two significant figures). how long is this run in kilometers an
liberstina [14]

Since, many chemistry conferences have held a 50-trillion angstrom run.

we have to convert this unit into kilometers and miles.

Let us convert it into kilometers first.

Since, 1 trillion = 1 \times 10^{12}

So, 50 trillion Angstorm = 50 \times 10^{12} Angstorm

Since, 1 Angstorm = 1 \times 10^{-13} km

So, 50 trillion Angstorm = 50 \times 10^{12} \times 10^{-13}

= 5 km

So, 50 trillion Angstorm = 5km

Now, we will express it into miles

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So, 5 km = 5 \div 1.61

= 3.105 miles

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So, 50 trillion Angstorm = 5 km = 3.11 miles

3 0
3 years ago
Simplify completely x^2-15x+56/x-7<br><br> A.)x^2+23<br> B.)x^2-23<br> C.)x+8<br> D.)x-8
Mrrafil [7]
<span>x^2-15x+56 = (x -7)(x - 8)
so 
</span><span>x^2-15x+56
----------------
        x-7

   </span>(x -7)(x - 8)
=------------------
          x-7
= x - 8

answer

<span>D.) x-8</span>
8 0
3 years ago
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