2 years ago

Enter the answer to the problem below, using the correct number of

Mathematics

1 answer:

Lena [83]2 years ago

7 0

Answer:

‬80.796,64‬

Step-by-step explanation:

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hoa [83]

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Answer:

6.64

Step-by-step explanation:

Perhaps you have ...

$3.4\times10^{-20}+5.4\times10^{-19}+9\times10^{-20}=\underline{\ \ \ \ }\times10^{-19}\\\\=(0.34+5.40+0.90)\times10^{-19}=\boxed{6.64}\times10^{-19}$

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Here, it is convenient to factor out 10^-19. If you like, a calculator or spreadsheet can figure this for you.

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2 years ago

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Korvikt [17]

Answer:

x2 + 12x + 4x + 48

Step-by-step explanation:

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3 years ago

BRAINLIEST PLEASE HELP np<br> If f(x)=-x^2+6x-1 and g(x)=3x^2-4x-1, find (f+g)(x)

raketka [301]

Answer:

$\large\boxed{B.\ (f+g)(x)=2x^2+2x-2}$

Step-by-step explanation:

$f(x)=-x^2+6x-1\\\\g(x)=3x^2-4x-1\\\\(f+g)(x)=f(x)+g(x)\\\\\text{substitute:}\\\\(f+g)(x)=(-x^2+6x-1)+(3x^2-4x-1)\\\\(f+g)(x)=-x^2+6x-1+3x^2-4x-1\qquad\text{combine like terms}\\\\(f+g)(x)=(-x^2+3x^2)+(6x-4x)+(-1-1)\\\\(f+g)(x)=2x^2+2x-2$