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3 years ago

Whose method is correct?

Mathematics

1 answer:

boyakko [2]3 years ago

4 0

Answer: Jaleel´s method is correct and the right option is option number D

Step-by-step explanation:

its because 2(x-2)

= 2x-4

note 2 is multiplied with both x and -2!

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The question is on file.

Nikitich [7]

Answer:

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Step-by-step explanation:

Scrambled Egg = Scrambled Egg + 3

Hard Boiled Egg = Hard Boiled Egg + 2

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3 years ago

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A Four-digit number is divided by a 35 and has a remainder of 15. The first three digits of the number 155. What is the fourth d

Kobotan [32]

Answer:

the last digit is 5

Step-by-step explanation:

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3 years ago

I need to solve for x

Burka [1]

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4 years ago

How to turn this equation: <br> y= -1.02(x-3)^2+9.25<br> into factored form

MatroZZZ [7]

Answer:

$y=(102x-306-5\sqrt{3774})(102x-306+5\sqrt{3774})$

Step-by-step explanation:

You first equate it to zero to get:

$-1.02(x-3)^2+9.25=0$

Then solve using square root method

$-1.02(x-3)^2=-9.25$

$(x-3)^2=\frac{-9.25}{-1.02}$

$(x-3)^2=\frac{925}{102}$

$x=3\pm\sqrt{\frac{925}{102}}$

$x=3\pm{\frac{5\sqrt{3774}}{102}}$

$x={\frac{306\pm5\sqrt{3774}}{102}}$

Now work it backwards

$102x-(306\pm5\sqrt{3774})=0$

$(102x-306-5\sqrt{3774})(102x-306+5\sqrt{3774})=0$

Hence the factored form is:

$y=(102x-306-5\sqrt{3774})(102x-306+5\sqrt{3774})$

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3 years ago

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Aleksandr [31]

Answer:

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Step-by-step explanation:

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3 years ago

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