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Vlad [161]
4 years ago
15

Select the correct answer. Which function's domain consists of all real numbers except -2?

Mathematics
1 answer:
weqwewe [10]4 years ago
7 0
All real numbers \ \textless \   x \ \textless \  -All real numbers , x \neq 2
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A merchant mixed 12 lb of a cinnamon tea with 3 lb of spice tea. The 15-pound mixture cost $24. A second mixture included 14 lb
bezimeni [28]

Hey there!!

Let us take the price of cinnamon tea as ' x ' and spice tea as ' y '

Now, let us take it into equation

12x + 3y = 15  -------------- ( 1 )

14x + 12y = 45 --------------- ( 2 )

Let us multiply the first equation with 4

48x + 12y = 60 --------------- ( 1 )

14x + 12y = 45 --------------- ( 2 )

Now, subtract equation 2

48x + 12y = 60

-14x - 12y = -45

Now, we get,

34x = 15

x = 15 / 34

This is the cost for cinnamon tea = $ 15 / 34

Now, substitute this into one equation

Let us take this equation - 12x + 3y = 15  

Now, substitute ' x '

12 ( 15 / 34 ) + 3y = 15

6 ( 15 / 17 ) + 3y = 15

90 / 17 + 3y = 15

3y = 15 - 90/17

3y = 165 / 17

y = ( 165/17 ) ( 1 / 3 )

y = $ 55/17

Cinnamon tea = $ 15/34

Spice tea = $ 55/17

Hope helps!



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4 years ago
NEED HELP WITHIN 10 MINUTES
Hitman42 [59]

Answer:

Use desmos calculator

Step-by-step explanation:

Steps:

Enter each of the equations to see which one matches the one on the graph.

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3 years ago
Which inequality is represented by the graph?
skad [1K]

Answer:

It is C

Step-by-step explanation:

Graph the inequality by finding the boundary line, then shading the appropriate area.

y > 3 5 x − 1.5

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6(3c−5d+6)=????????????????????????
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Step-by-step explanation:

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