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Nutka1998 [239]
3 years ago
9

Why does the square root of 3 x the square root of 3 = 3?

Mathematics
2 answers:
stealth61 [152]3 years ago
5 0

Answer: the square root of 3 is: (a number) times ITSELF is equal to 3. Therefore, if you multiply that number times that number again, it is equal to 3.

Ex1- sqrt of 4 times the sqrt of 4 —> 2 times 2 which is 4

Ex2- sqrt of 9 times the sqrt of 9 —> 3 times 3 which is 9

pogonyaev3 years ago
3 0
Answer: the square root of 3 is: (a number) times ITSELF is equal to 3. Therefore, if you multiply that number times that number again, it is equal to 3. Ex1- sqrt of 4 times the sqrt of 4 –> 2 times 2 which is 4 Ex2- sqrt of 9 times the sqrt of 9 –> 3 times 3 which is 9
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We are standing on the top of a 320 foot tall building and launch a small object upward. The object's vertical altitude, measure
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Answer:

The highest altitude that the object reaches is 576 feet.

Step-by-step explanation:

The maximum altitude reached by the object can be found by using the first and second derivatives of the given function. (First and Second Derivative Tests). Let be h(t) = -16\cdot t^{2} + 128\cdot t + 320, the first and second derivatives are, respectively:

First Derivative

h'(t) = -32\cdot t +128

Second Derivative

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Then, the First and Second Derivative Test can be performed as follows. Let equalize the first derivative to zero and solve the resultant expression:

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t = \frac{128}{32}\,s

t = 4\,s (Critical value)

The second derivative of the second-order polynomial presented above is a constant function and a negative number, which means that critical values leads to an absolute maximum, that is, the highest altitude reached by the object. Then, let is evaluate the function at the critical value:

h(4\,s) = -16\cdot (4\,s)^{2}+128\cdot (4\,s) +320

h(4\,s) = 576\,ft

The highest altitude that the object reaches is 576 feet.

6 0
3 years ago
The sum of two
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Answer:

63

Step-by-step explanation:

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We know that (x+y)^2 - (x-y)^2 = 4xy

So 4xy = 16^2 - 2^2 => 4xy = (16+2)(16–2)

So xy = 18×14/4 = 63

Product of the numbers = 63

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