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AnnyKZ [126]
3 years ago
9

If f(x)=3x+2 and g(x)=x²-' what are the values of f, x, and 3​

Mathematics
1 answer:
svet-max [94.6K]3 years ago
3 0

Answer:

( f + g) (x) = –2x + 6 ( f – g) (x) = 8x – 2 ( f × g ) (x) = –15x 2 + 2x + 8

Step-by-step explanation:

mathh

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Solve the system of equations x+y=-8 and -9x-6y=60 by combining the equations
TiliK225 [7]

Answer:

x = - 4    y = - 4

Step-by-step explanation:

x+y= - 8

-9x-6y=60

First, solve for x in the first equation:

x+y = - 8       Subtract y from both sides

x + y - y = -8 - y    y cancels on the left

x = - 8 - y

Now plug in what you found for x into the 2nd equation and solve for y.

- 9x - 6y = 60

-9(- 8 - y) - 6y = 60   Multiply out

72 + 9y - 6y = 60

72 + 3y = 60  Subtract 72 from both sides

72 - 72 + 3y = 60 - 72    72 cancels on the left

3y = - 12     Divie both sides by 3

3y/3 = -12/3     3 cancels on the left because 3/3 = 1

y = -4

Now plug your answer for y back into the first equation to get x.

x + y = -8

x + (-4) = - 8  Add 4 to each side

x - 4 + 4 = - 8 + 4   4 cancels on the left

x = -4

x = - 4 and y = - 4

8 0
3 years ago
A number line has marks A question mark, negative 2, B question mark, 0, 1, C-2, 3, D question mark, 5, E 6.
slavikrds [6]

Answer:

What number is represented by point B = -1  

Which point represents the number 2? = C

3 0
3 years ago
Read 2 more answers
-5/-2 divided by 6/7
Yuri [45]

Answer:2.91666666667

Step-by-step explanation:

6 0
3 years ago
Lolo typed 1,125 words in 15 minutes. Let w repersent the number of words each minute. If Lolo typed the same number of words ea
satela [25.4K]

Answer:

1125/15= 75

75 words per minute

3 0
3 years ago
Sam and Hector are gaining weight for football season. Sam weighs 205 pounds and is gaining two pounds per
Mademuasel [1]

Answer:

10 weeks

Step-by-step explanation:

205+2t=195+3t

      -2t         -2t

205=195+t

-195 -195

10=t

3 0
3 years ago
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