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RSB [31]
3 years ago
15

Where did mathematics come from

Mathematics
1 answer:
Ganezh [65]3 years ago
3 0
The most ancient mathematical texts came from mesopotamia and Egypt. The “inventors” of math are the Greek beginning in around the 6th century BC.
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If a coin is flipped twenty-five times and lands tails up seventeen times, the experimental probability that the coin lands tail
aliina [53]
Tails was landed 17/25 times, so the experimental probability would be .68 or 68%
17/25 = .68
Hope this helps!
5 0
3 years ago
How to factor <br> 49y^{2}-9x^{2}
lorasvet [3.4K]

Answer:

(7y + 3x)(7y - 3x)

Step-by-step explanation:

a² - b² = (a + b)(a - b)

49y² - 9x² = (7y)² - (3x)²                   {a = 7y ; b - 3x}

               = (7y + 3x)(7y - 3x)

7 0
3 years ago
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astraxan [27]

Answer:

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Step-by-step explanation:

6 0
3 years ago
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BigorU [14]

Answer: 7 inches

Step-by-step explanation:

4 times 1 3/4 is 7

6 0
3 years ago
What is true about the net of a pyramid? It will always contain exactly 1 triangle. It will always contain exactly 2 triangles.
Harrizon [31]

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Step-by-step explanation:

7 0
3 years ago
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