3 years ago

I need help please and thank you

Mathematics

1 answer:

Pani-rosa [81]3 years ago

8 0

It equals 18.32 you can go to calculatorsoup.com and it shows you

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Is 3.222222 a rational number

SIZIF [17.4K]

Answer:

Step-by-step explanation:

If the number is rational, I can write it as a fraction in which the numerator and denominator are integers (denominator other than 0).

$3.\underbrace{222222}_{6}=\dfrac{3222222}{1\underbrace{000000}_6}-\bold{RATIONAL}$

If is repeating:

$x=3.2222....$ <em>multiply both sides by 10</em>

$10x=32.2222...$ <em> make the difference 10x - x</em>

$10x-x=32.2222...-3.2222...$

$9x=29$ <em>divide both sides by 9</em>

$x=\dfrac{29}{9}-\bold{RATIONAL}$

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3 years ago

Given the following functions f(x) and g(x), solve (f + g)(5) and select the correct answer below: f(x)=2x^2-10 g(x)=x+9

steposvetlana [31]

Answer:

$\large\boxed{(f+g)(5)=54}$

Step-by-step explanation:

$f(x)=2x^2-10,\ g(x)=x+9\\\\(f+g)(x)=f(x)+g(x)\\\\\text{Substitute:}\\\\(f+g)(x)=(2x^2-10)+(x+9)=2x^2-10+x+9=2x^2+x+(-10+9)\\\\(f+g)(x)=2x^2+x-1\\\\(f+g)(x)(5)\to\text{put x = 5 to the equation of the function:}\\\\(f+g)(5)=2(5^2)+5-1=2(25)+5-1=50+5-1=54$

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2 years ago

How do I solve this using substitution?

oksano4ka [1.4K]

Answer :y=4 x=2

Step-by-step explanation:

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2 years ago

Show your work please help me with my homework thank you

AVprozaik [17]

Part. %
------ = -------
Whole 100

816. X
------- = ------
850. 100

850x=81600
-------- ---------
850. 850

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96% of seats were sold

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3 years ago

5/8 divided by -1/10

svetoff [14.1K]

Answer:

-0.0625

Step-by-step explanation:

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2 years ago

I need help please and thank you​

I need help please and thank you