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3 years ago

9

Determine if the following relation is a function or not

1 answer:

Darya [45]3 years ago

7 0

1 is not. 2 is. 3 is not. 4 is. 5 is. 6 is. 7 is not. 8 is.

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3/4 (x +21) = 10 1/2<br> What does x equal?

Elena L [17]

Answer:

$\huge \boxed{ \boxed{ \red{x = - 7}}}$

Step-by-step explanation:

<h3>to understand this</h3><h3>you need to know about:</h3>

equation
PEMDAS

<h3>let's solve:</h3>

$\sf distribute : \\ \frac{3 x+ 63}{4} = 10\frac{1}{2}$
$\sf simplify \: mixed \: fraction : \\ \frac{3x + 63}{4} = \frac{21}{2}$
$\sf cross \: multipication : \\ 2(3x + 63) = 84$
$\sf distribute \: 2 : \\ 6x + 126 = 84$
$\sf cancel \: 126 \: from \: both \: sides : \\ 6x + 126 - 126 = 84 - 126 \\ 6x = - 42$
$\sf divide \: both \: sides \: by \: 6 : \\ \frac{6x}{6} = \frac{ - 42}{6} \\ \bcancel{\frac{6x}{6} } = \frac{ \cancel{ - 42} \: ^{ - 7} }{ \cancel{ \: 6}} \\ \therefore \: x = - 7$

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2 years ago

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What are the domain and range of the function f(x) = -3 (x-5)^2 + 4?

WINSTONCH [101]

Domain=all real numbers

Range is x≤4

Hope this helps :)

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2 years ago

What value should go in the empty box to complete the calculation for finding the product?

Eddi Din [679]

I think it's 1,876,480 but I'm not sure

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7/11 converted to a decimal rounded up 2 places

astraxan [27]

Answer:

0.636

Step-by-step explanation:

First off, we'll interpret the fraction bar to mean "divided by." This means that 7/11 is the same as 7 divided by 11.

Second, you have requested to see 2 decimal places in your answer, so we'll write the 7 as 7.00 instead (a 7 with 2 zeros after the decimal point).

Now, we'll just do what the fraction bar says: divide 7.00 by 11:

And that's about it! 7/11 written as a decimal to 3 decimal places is 0.636.

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3 years ago

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In an experiment, Seth was given a substance known as ammonium carbonate, (NH4)2CO3. Seth connected a bunsen burner to the gas v

ollegr [7]

A is the best question

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2 years ago

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