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Zarrin [17]
3 years ago
6

Choose all functions below that have a vertex of (4.5,-8)​

Mathematics
1 answer:
viktelen [127]3 years ago
7 0

Answer: Answer: A

Explanation:

Just plug in numbers since you know the unknown values,

x + r = 4 + 5

4 + 5 = 9

Step-by-step explanation:

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Plz help me ...<br> please
r-ruslan [8.4K]

Answer:

x = -1, and y = -2, giving you the answer (-1, -2)

Step-by-step explanation:

In the second equation, we're told that y is equal to 2x.  With that, we can replace "y" in the first one with "2x", giving us:

-4x - 2x = 6

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x = -1

Now that we know the value of x, we can simply plug it into the first equation to find y:

-4x - y = 6

-4(-1) - y = 6

4 - y = 6

-4 + y = -6

y = -6 + 4

y = -2

So x = -1, and y = -2

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3 years ago
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Step-by-step explanation:

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Step-by-step explanation:

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2 years ago
Which number line represents the solution set for the inequality 3(8-4x) &lt; 6(x - 5)?
PilotLPTM [1.2K]

3(8 - 4x) < 6(x - 5) \\ 24 - 12x < 6x - 30 \\ 24 + 30 < 6x + 12x \\ 54 < 18x \\  \frac{54}{18}  <  \frac{18x}{18}  \\ x > 3

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For every 15 students on a field trip, there needs to be one teacher. What is minimum number of teachers needed for a group of 1
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Step-by-step explanation:

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