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Anna35 [415]
2 years ago
7

Which of the following are used in the production of smartphones? select the three correct answers.

SAT
1 answer:
bearhunter [10]2 years ago
8 0

The chemical elements which are used in the production of smartphones are:

  • silicon
  • lithium
  • cobalt

<h3>The composition of cellphones</h3>

Cell phones are composed of several metals and minerals including common metals and rare earth elements. Common metals used in cell phone production are aluminum and tin while rare earth minerals used is neodymium.

<h3>What is a smartphone?</h3>

A smartphone is a type of mobile phone which has more advanced features and greater computing capacity than a normal phone.

Learn more about smartphone:

brainly.com/question/917245

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Answer:

2 OR4 ; both correct

Explanation:

x^2=7

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x^4=(x^2)^2=(7)^2=49 --> 49+y^2=50

y^2=50-49=1 --> y=±\sqrt{1} --> y=±1

+1 or -1 both possible --> solve both

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OR

-1+w=3 --> w = 3 + 1 = 4

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