2 years ago

For what values of does the equation (2 + 1)^2 + 2 = 10 − 6 have two real and equal roots?

Mathematics

1 answer:

Irina-Kira [14]2 years ago

7 0

Answer:

it isn't the equation so it can't be any roots...

Step-by-step explanation:

$(2+1)^2+2=10-6\\4+4+1+2=10-6\\11\neq 4$

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Korvikt [17]

Answer:

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Step-by-step explanation:

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2 years ago

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Hunter-Best [27]

$\huge\fbox{Answer ☘}$

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3 years ago

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Jlenok [28]

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3 years ago

Which simplified fraction is equal to 0.1ModifyingAbove 7 with bar? StartFraction 9 Over 17 EndFraction StartFraction 8 Over 45

Kazeer [188]

Answer:

8/45

Step-by-step explanation:

Define x to be the value of your fraction:

$x=0.1\overline{7}\\\\10x=1.7\overline{7}\qquad\text{multiply by 10}\\\\10x-x=1.7\overline{7}-0.1\overline{7}=1.6\\\\x=\dfrac{1.6}{9}=\dfrac{8}{45}\qquad\text{divide by 9; put in lowest terms}$

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When in doubt, you can use your calculator to see which fraction gives you 0.1777777778.

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We multiplied by 10^1 above, because there is 1 repeating digit. The power of 10 we use matches the number of repeating digits.

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Citrus2011 [14]

Answer:

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Step-by-step explanation:

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3 years ago