3 years ago

I need to prove the following statement by proof by contrapositive or proof by contradiction:

1 answer:

3 0

Answer:

Step-by-step explanation:

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navik [9.2K]

Answer:

The solutions for the equation $x^2\:-\:27=\:67$ are $x=\sqrt{94},\:x=-\sqrt{94}$ .

Step-by-step explanation:

To find the solutions for the equation $x^2\:-\:27=\:67$ you must:

$\mathrm{Add\:}27\mathrm{\:to\:both\:sides}\\\\x^2-27+27=67+27$

$\mathrm{Simplify}\\\\x^2=94$

$\mathrm{For\:}x^2=f\left(a\right)\mathrm{\:the\:solutions\:are\:}x=\sqrt{f\left(a\right)},\:\:-\sqrt{f\left(a\right)}\\\\x=\sqrt{94},\:x=-\sqrt{94}$

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4 years ago

Pachacha [2.7K]

68 pumpkins will be needed to make the pies.

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4 years ago

notka56 [123]

16 $x^{2}$ +48x+36
4(4 $x^{2}$ +12x+9)
4(2x+3)(2x+3)
4(2x+3)^2

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4 years ago

strojnjashka [21]

Answer:

8 cups of blue and 12 cups of red

Step-by-step explanation:

Combine 1/3 c of blue + 1/2 c of red = 5/6 c of purple.

(5/6)x = 20

x = (6/5)20 = 24

this is applied to each of the above measurements to show that you need 8 c of blue + 12 c of red.

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3 years ago

Tcecarenko [31]

Answer:

sorry i donot know.......

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3 years ago