Fibonacci is famous for his contributions to number theory.
In his book, Liber abaci he introduce the Hindu-Arabic place-valued decimal systems and the use of Arabic Numerals into Europe.He introduced the bar we use in fractions, previous to this, the numerator has quotations around it. The square root notation is also is Fibonacci method.
Answer:
D) 65°
Step-by-step explanation:
Remember, all the angles of a triangle are 180 degrees and 75 + 40 + 65 = 180 degrees. Please if you can, support my channel. In the images you can find the information ;)
Answer:
4x^2-5x+15
Step-by-step explanation:
Let me know if this right please and I hope this helps you :)
The answer is D.) (4,-1) Because all you need to do is put in the numbers into the equation to make sure it equals 16