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Andreas93 [3]
3 years ago
11

Is I’m doing this right guys

Mathematics
2 answers:
algol [13]3 years ago
8 0

Answer:

Yes you are.

Step-by-step explanation:

Just keep plugging in the values for x.  Good job.

Klio2033 [76]3 years ago
5 0

yes you r doing it right

3/4 *0=0

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The graph of the function f(x)= 2x is shown. The inverse is also a function. If the domain of the inverse is the range values of
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D. {any real number > 0}
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Read 2 more answers
#2
I am Lyosha [343]

You have the right idea that things need to get multiplied.

What should be done is that the entire fraction needs to get multipled by the lowest common denominator of both denominators.

Let's look at the complex numerator. Its denominators are 5 and x + 6. Nothing is common with these, so both pieces are needed.

The complex denominator has x - 3 as its denominator. With nothing in common between it and the complex numerator, that piece is needed.

So we multiply the entire complex fraction by (5)(x + 6)(x -3).

Numerator: (\frac{1}{5} -\frac{5}{x + 6})(5)(x +6)(x-3) =\frac{1}{5}(5)(x +6)(x-3) -   \frac{5}{x + 6}(5)(x +6)(x-3)

= (x+6)(x-3) - (5)(5)(x-3)

= (x+6)(x-3) - 25(x-3)

= (x-3)(x + 6 - 25) <--- by group factoring the common x - 3

= (x -3)(x - 19)

Denominator:

\frac{25}{x - 3} * (5)(x + 6)(x - 3) = (25)(5)(x + 6) = 125(x + 6)


Now we put the pieces together.


Our fraction simplies to (x - 3) (x - 19) / 125 (x + 6)

5 0
4 years ago
The 9th graders are selling tickets to raise
Sidana [21]

Answer:

There were 30 children and 10 adults.

Step-by-step explanation:

Since they sold tickets to adults and childrens, the sum of those tickets must be equal to the total tickets that were sold, so we can mount our first equation as shown below:

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Each adult ticket costs $9 and each children costs $5 and the total recieved was $240, therefore:

9*adult + 5*children = 240

We can mount the following equation system:

adult + children = 40

9*adult + 5*children = 240

We will multiply the first equation by -5 and sum both equations:

-5*adult -5*children = -200

9*adult + 5*children = 240

4*adult = 40

adult = 40 / 4

adult = 10

adult + children = 40

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There were 30 children and 10 adults.

3 0
3 years ago
3-2x+6=2x-9-6 i want an answer please
Katarina [22]

Answer:

x = 6

Step-by-step explanation:

3 - 2x + 6 = 2x - 9 - 6

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- 4x = - 24

- x = - 24/4

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x = 6

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3 years ago
There are 26.2 in a marathon .Write the number of miles using a fraction.
LUCKY_DIMON [66]
Partitioning the value 26.2

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The decimal value 0.2 is read two tenth = 2/10

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26.2 = 26 \frac{2}{10}= \frac{262}{10}= \frac{131}{5}

7 0
3 years ago
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