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Ber [7]
3 years ago
8

I need help please ​

Mathematics
1 answer:
ASHA 777 [7]3 years ago
5 0

Answer:

the answer would be 81

Step-by-step explanation:

6 to the second power would be 36 then you would multiply 36x2 and it would equal 72. then you would do 2x6 which is 12. then 72+12-3= 81

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Find the vertex of " "y = x^2 + 5x+ 4" please show steps as well thanks
zlopas [31]
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(x+2.5)^2+9

vertex -2.5,9
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2 years ago
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Will mark brainliest and there’s a button for the pic
professor190 [17]

Answer:

There is nothing there

Step-by-step explanation:

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2 years ago
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lots of toys were in the swimming pool. the pool had 15 hoops in it. what is the value of each line in the graph?
Volgvan

Each line indicates the amount of a certain object.

We already know that the value of the green line is 15, all that is left to do is find the rest . . .

<u>Values</u>

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Your welcome :3

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2 years ago
The coefficient of x in the expansion of the following is (x+3)^3 a) 1 b) 3 c) 18 d) 27 e) 9
VashaNatasha [74]

Answer:

  d) 27

Step-by-step explanation:

The expanded form of (a+b)³ is ...

  (a +b)³ = a³ +3a²b +3ab² +b³

When we are expanding (x +3)³, the x-term is ...

  3(x)(3²) = 27x

The coefficient of x in the expansion is 27.

3 0
3 years ago
NEED HELP PLEASE ANSWER ASAP
Angelina_Jolie [31]

Answer:

Step-by-step explanation:

Width = 5v - 4w

Length = 3v + 7w

Perimeter = 2*(length + width)

               = 2* (3v + 7w + 5v - 4w)

               = 2* (3v + 5v + <u>7w - 4w)</u>  {Combine like terms}

                = 2* (8v + <u> 3w)</u>

                 = 2*8v + 2*3w

                 = 16v + 6w

6 0
3 years ago
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