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meriva
3 years ago
5

Who was the first person to do a math equation?....​

Mathematics
2 answers:
lyudmila [28]3 years ago
4 0

Answer: We don't know. However, people have been doing at least basic math since the Neolithic periods. As civilizations came about, the first mathmaticians developed, often sons from  rich families who had an education and plenty of time on their hands(they were a few women, too, albeit not many) I hope this answer helps

Jade

Step-by-step explanation:

nataly862011 [7]3 years ago
3 0

Answer:

i think Pythagoras.

Step-by-step explanation:

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The depth y (in inches) of a lake after x years is represented by the equation y=0.2x+42 . How much does the depth of the lake i
blagie [28]

Answer:

<h2><em><u> 42.8 in</u></em></h2>

Step-by-step explanation:

Step one:

given data

we are told that the expression for the depth of a lake after x years is given by

y=0.2x+42

Required

The value of y when x= 4

Step two:

substitute the value of x in the expression to get y

y=0.2(4)+42\\\\y=0.8+42\\\\y=42.8\\\\

<em><u>After 4 years the depth will increase by 42.8 in</u></em>

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3 years ago
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4 0
4 years ago
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Serjik [45]
Only correct the first one.

Please, see the graph in the attached file.

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2) a parallelogram                  
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3) a square                  ←→       A(3,3), B(2,5),
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Answer:

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Step-by-step explanation:

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