3 years ago

Factor completely. 81x^2+180x+100

1 answer:

Tasya [4]3 years ago

8 0

(9x+10)² or (9x+10)(9x+10)

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user100 [1]

$54 (if 10 for each of the 3 students and 4 dollars each of the 6 students)
$14 if not

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3 years ago

Murljashka [212]

Answer:

because there is an exact square number such as:4,9

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Viktor [21]

She’s right because .25 converted into a fraction is 1/4 and 3/4 is greater than 1/4

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3 years ago

trapecia [35]

Answer:

Step-by-step explanation:

Given that there are two vectors U = (-8,0,1)

V = (1,3,-3)

To find projection of u on V and also projection of V on U

First let us find the dot product U and V

U.V = $-8(1)+0(3)+1(-3)\\= -11$

Projection of U on V = $\frac{U.V}{|V|} \\=\frac{-11}{\sqrt{1+9+9} } \\=\frac{-11}{\sqrt{19} }$

Similarly projection of V on U

= $\frac{U.V}{|U|} \\=\frac{-11}{\sqrt{64+0+1} } \\=\frac{-11}{\sqrt{65} }$

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3 years ago

vodomira [7]

Answer:0.04

Step-by-step explanation:

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4 years ago