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mr_godi [17]
3 years ago
8

I have no idea how to do this!​

Mathematics
1 answer:
-BARSIC- [3]3 years ago
5 0

Step-by-step explanation:

18.

4(c+5)-f⁴

4(-1+5)-4⁴

4(4)-4⁴

16-256

-240

19.

-3[(w-6)²+x]²

-3[(5-6)²+6]²

-3[-1²+6]²

-3[1+6]²

-3[7]²

-3(49)

-147

20.

3.5[h³-(3j/6)²]

3.5[3³-(3*-4/6)²]

3.5[27-(-12/6)²]

3.5[27-(-2)²]

3.5[27-4]

3.5[23]

80.5

21.

x[y²-(55-y^5)÷3]

-6[6²-(55-6^5)÷3]

-6[36-(55-7776)÷3]

-6[36+7721÷3]

-6[7757÷3]

-6[2585.66]

-15513.96

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Answer:

D. passive

Step-by-step explanation:

8 0
3 years ago
What does 12A equal?
Leokris [45]
Where's the question 12 a =
6 0
3 years ago
How do you this??<br><br> Scientific notation
Airida [17]
So Scientific Notation is a "simplified version" of a number. For example, is your number is 2,345, the scientific notation would be 2.345 * 10³. 

If it was 0.023, then the scientific notation would be 2.3 * 10^-2. 

Scientific notation is found by moving the decimal place to the left or right, until only one digit is left to the left of the decimal; it has to be greater than 1, but less than ten. If you move the decimal place to the right, it's a negative power of 10. If you move it to the left, it is a positive power of 10.


Hope this helps!
4 0
3 years ago
50 POINTS!!!
Goryan [66]

9514 1404 393

Answer:

  • f(x) = x
  • g(x) = -2x+1
  • f(x) -(-g(x)) = -x+1
  • f(x) +g(x) = -x+1
  • f(x)-(-g(x)) = (f+g)(x) is true for all functions f and g, linear or not

Step-by-step explanation:

We can define a couple of linear functions as ...

  f(x) = x

  g(x) = -2x+1

Then the reflected function -g(x) is ...

  -g(x) = -(-2x +1) = 2x -1

And the difference from f(x) is ...

  f(x) -(-g(x)) = x -(2x -1) = -x +1 . . . . f(x) -(-g(x))

We want to compare that to the sum of the functions:

  f(x) +g(x) = x +(-2x +1) = -x +1 . . . . f(x) +g(x)

The two versions of the function expression have the same value.

These results are <em>a property of addition</em>, so do not depend on the nature of f(x) or g(x). They will hold for every function.

3 0
3 years ago
The functions f and g are defined as follows.
weeeeeb [17]

Answer:

Step-by-step explanation:

Given

f(x) = 2x^2 - 3x

g(x) = -2x + 4

Now

f(-5) = 2 *(-5)^2 - 3*(-5)

      = 2 * 25 + 15

     = 50 + 15

     = 65

Also

g(5) = - 2 * 5 +4

      = -10 +4

      = - 6

Hope it will help you.

7 0
3 years ago
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