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Nat2105 [25]
4 years ago
11

Find the value C(-2), where C is defined below. C(x) = -3x2 – 3x - 3

Mathematics
1 answer:
Harman [31]4 years ago
3 0

Answer:

C(-2) = -9

Step-by-step explanation:

Step 1: Define

C(x) = -3x² - 3x - 3

C(-2) = x = -2

Step 2: Substitute and Evaluate

C(-2) = -3(-2)² - 3(-2) - 3

C(-2) = -3(4) + 6 - 3

C(-2) = -12 + 6 - 3

C(-2) = -6 - 3

C(-2) = -9

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Find the common difference for the given sequence. Type a numerical answer in the space provided. Do not include
seraphim [82]

Answer: -5

Step-by-step explanation:

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4 years ago
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Can someone please answer this question please answer it correctly and please show work please help me I need it
Olin [163]

Answer:

9-3=6

Step-by-step explanation:

Line from left to right: number 9 (absolute value)

Line from right to left: number 3 (absolute value)

Overall: 9-3=6

We used the minus sign for 3 because the corresponding line is oriented in the opposite direction.

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What does x and y equal
Eva8 [605]

The values are x= 0 and y= -3.

Step-by-step explanation:

         The given equations are,

                 6x-5y=15...........................(1)

                 x=y+3................................(2)

Step:1

       Modify the equation (2) in (x+y=constant) format,

                 x-y=3................................(3)

Step:2

      The equation (3) is multiplied by 5  (5×Eqn(3))

                 5x-5y=15........................(4)

Step:3

      Subtract the equation (1) and (4)

                 6x-5y=15.......................(1)

                 5x-5y=15.......................(4)

      ( - )                                                            (∵ Eqn(1)-Eqn(4))

      (6x-5x)+(-5y+5y)=(15-15)

      (x)+(0)=(0)

      x=0

Step:4

    Substitute the X=0 in the equation (2),

              x=y+3............................(2)

      (∵ x=0)

             0=y=3

             y=-3

Step:5

    Check for solution substitute values of X and Y in equation (1),

          6x-5y=15...........................(1)

     (∵ x=0, y=-3)

          (6×0)-(5×(-3))=15

         15=15

Result:

       The solution for equation 6x-5y=15 and x=y+3 are

       x=0 and y=-3.

     

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3 years ago
Explain how 2 ones is the same as 20 tenths
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The tenths place can only go up to nine because when you have 10 it then move on to the ones place .              .9 plus .1 =1.0
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Please help and step by step​
vivado [14]

Answer:

5%

Step-by-step explanation:

720/144=5

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