3 years ago

Please help please help please help

1 answer:

5 0

Could you write the question in English? I am not sure of what they are asking but i think you will have to substitute the x and the y into the equation given

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STALIN [3.7K]

Answer:

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Step-by-step explanation:

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3 years ago

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(x+5)(√ 1-x) what is the product of this composite function?

Radda [10]

Answer:

$x\sqrt{1-x}+5\sqrt{1-x}$

Step-by-step explanation:

$(x+5)(\sqrt{1-x} )\\\\=\left(\sqrt{1-x}\right)\left(x+5\right)\\\\\mathrm{Apply\:the\:distributive\:law}:\quad \:a\left(b+c\right)=ab+ac\\\\a=\left(\sqrt{1-x}\right),\:b=x,\:c=5\\\\=\left(\sqrt{1-x}\right)x+\left(\sqrt{1-x}\right)\times\:5\\\\=x\left(\sqrt{1-x}\right)+5\left(\sqrt{1-x}\right)\\\\\mathrm{Remove\:parentheses}:\quad \left(a\right)=a\\\\=x\sqrt{1-x}+5\sqrt{1-x}$

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3 years ago

Which situation represents the equation: 5x - 18 = 42

Nookie1986 [14]

The correct answer is C. She makes an amount of money per hour x, then she works five hours so 5x, she then spends 18 on pizza so 5x-18, and then has 42 left over. 5x-18=42

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3 years ago

Find the value of the expression x3−y3+x2+y2+3 by substituting x=−2 and y=1.

vaieri [72.5K]

$\\ \sf\dashrightarrow x^3-y^3+x^2+y^2+3$