Answer:
0
Explanation:
Use pythagorean theorem, and get that 40 is the height (50-10), while half of the cable is 40, so 0 is the distance.
There are several types of keboard designs and research is ongoing to improve their efficiency e,g QWERTY, QWERTZ and AZERTY keyboards
<h3>Types of Keyboards</h3>
Bellow is an extended list of the various types of keyboards
- Qwerty Keyboards
- Wired Keyboards
- Numeric Keypads
- Ergonomic Keyboards
- Wireless Keyboards
- USB Keyboards
- Bluetooth Keyboards
Learn more about the types of keyboards here:
brainly.com/question/13380788
Answer: The answer is -1
Explanation: 3+3 = 6 and then following the order of operations you substract 7 giving you the answer -1