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lara [203]
3 years ago
7

Origins of mathematics

Mathematics
2 answers:
snow_lady [41]3 years ago
7 0
The evolution of mathematics might be seen as an ever-increasing series of abstractions, or alternatively an expansion of subject matter. The first abstraction, which is shared by many animals, was probably that of numbers: the realization that a collection of two apples and a collection of two oranges (for example) have something in common, namely quantity of their members.
<span>In addition to recognizing how to count </span>physical<span> objects, prehistoric peoples also recognized how to count </span>abstract<span> quantities, like time - days, seasons, years.Elementary arithmetic (addition, subtraction, multiplication and division) naturally followed.</span>
nlexa [21]3 years ago
6 0
The area of study known as the history of mathematics is primarily an investigation into the origin of discoveries in mathematics and, to a lesser extent, an investigation into themathematical methods and notation of the past. ... Chinese mathematicsmade early contributions, including a place value system.
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If a globe rotates through 150 degrees in 5 seconds, how many rotations does it make in 30
Nady [450]

Answer:

4,500

Step-by-step explanation:

150 x 30

15 x 3 = 45, add 2 0's at end, 4,500

6 0
3 years ago
When the town of Manning first started its voluntary recycling program, 2500 of the town's residence participated. The town pred
Paraphin [41]
Answer: The correct answer is Choice D.

This is an example of an exponential equation. They are in the form of y=ab^x, where a is the starting value, b is the rate and x is the number of years.

Our data starts at 2500 and increases by 5%, or 100% + 5% = 1.05.

If you put them together, you have the equation y = 2500(1.05)^x, Choice D.
3 0
3 years ago
3x-2y=6<br> 2x-y=5 <br><br> Solve the system by substitution
nalin [4]
The answer is

X =3

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7 0
4 years ago
A solution of the equation x^2/4=9 is
abruzzese [7]

Answer:

x = ±6

Step-by-step explanation:

x^2/4=9

Multiply by 4 on each side

x^2/4 *4=9*4

x^2 = 36

Take the square root of each side

sqrt(x^2) = ±sqrt(36)

x = ±6

5 0
3 years ago
What value of M gives the system infinitely many solutions? -x+2y=16<br> Y=mx+8
Naya [18.7K]
First you move. -x for +x
2y = 16 + x
y = 8 + 1/2 x

the answer is

y = 1/2x + 8
4 0
3 years ago
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