2 kilograms are equal to 4 pounds. true or false

Mathematics

2 answers:

Natali5045456 [20]3 years ago

8 0

False hope that helped

tatuchka [14]3 years ago

7 0

Its true, 2 kilos = 4 pounds

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How can i solve by completing the square 4r^2-28r=-49

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To complete the square, the second degree term must have a coefficient of 1.
Since the second degree term here has a coefficient of 4, we start by dividing each term on both sides by 4.

$4r^2 - 28r = -49$

$\dfrac{4r^2}{4} - \dfrac{28}{4}r = -\dfrac{49}{4}$

$r^2 - 7r = -\dfrac{49}{4}$

Now we can complete the square.
First, we need to find what number completes the square.
We take the coefficient of the first degree term, -7 in this case.
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$r^2 - 7r + \dfrac{49}{4} = -\dfrac{49}{4} + \dfrac{49}{4}$

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$r - \dfrac{7}{2} = 0$

$r = \dfrac{7}{2}$

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what is the degree of the polynomial ? what is the leading coefficient ? describe the end behavior of each function. f(x)=x^4-2x

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Answer:

4th degree polynomial with leading coefficient of 1.

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Step-by-step explanation:

The degree of a polynomial is the highest exponent on the variable. Here it is 4.

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Step-by-step explanation: