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Cerrena [4.2K]
3 years ago
8

What is the vertex form of: y = 3x^2 - 12x + 5

Mathematics
2 answers:
AVprozaik [17]3 years ago
8 0

Answer:

3(x-2)^2-7

Step-by-step explanation:

expanding gives you: 3(x^2-4x+4)-7=3x^2-12x+12-7=3x^2-12x7+5

Juli2301 [7.4K]3 years ago
7 0

Answer:The vertex form is -y=a(x-h)2+k

Step-by-step explanation:

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4.3x+5x=16+7-(7)

9.3x=16

x= 1.72

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3 years ago
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The standard deviation of a population is 2.8.<br><br> What is the margin of error?
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10) Which has the lowest price per ounce?<br><br>please refer to the chart above &lt;3​
melisa1 [442]

Answer:

The lowest price per once is: "Don's store" $ 0.101

Step-by-step explanation:

You have to apply a 3 way rule

so:

1) 60 oz ----- $6.50

1 oz    ----- =(1 oz X $6.50)/ 60

                = $0.108

2) 54 oz ----- $5.50

    1 oz    ----- =(1 oz X $5.50)/ 54

                = $0.101

3) 48 oz ----- $5.61

      1 oz    ----- =(1 oz X $5.61)/ 48

                = $0.116

4) 40 oz ----- $4.50

      1 oz    ----- =(1 oz X $4.50)/ 40

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Greetings

8 0
3 years ago
A hummingbird movies its wings at a rate of 4800 wing beat a minute. write this rate in wingbeats per second
RSB [31]

Answer:

80

Step-by-step explanation:

There are 60 seconds in a minute.

So, we divide how many beats per minute by the seconds.

4800/60 = 80

So the hummingbird moves his wings at a rate of 80 won't beats a second.

Hope this helps you out! : )

8 0
3 years ago
Solve: x(squared) = 5x - 6
icang [17]

Answer:

x=-3   x=-2

Step-by-step explanation:

x^2 = 5x-6

Subtract x^2 from each side

x^2 - x^2 = -x^2 -5x-6

0 = -x^2 -5x-6

0 =-(x^2 +5x+6)

Factor

0 = (x+3)(x+2)

Using the zero product property

0=x+3   0=x+2

x=-3   x=-2

7 0
3 years ago
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