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Aliun [14]
3 years ago
5

If x=-4 and y=3 what is the value of x-3y^2a: -13b: -31c: -23d: -85​

Mathematics
2 answers:
Alexandra [31]3 years ago
8 0

Answer:

b -31

Step-by-step explanation:

kodGreya [7K]3 years ago
7 0

Step-by-step explanation:

  • x-3y²
  • 4-3×3²
  • 4-27
  • -23

hope it helps

<h3>stay safe healthy and happy.<u>.</u></h3>
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H(n)=-2n(2)+4; Find h(4)
anygoal [31]

Answer:

h(4) = –12

Step-by-step explanation:

⇒ What the question is asking is that when the function h(n) = –2n(2) + 4 is h(4), what will the function repond to when solving for h(4)? So, solve for the function h(4):

h(4) = –2n(2) + 4

⇒ Since n was replaced with 4 in the function h(4), substitute any n for 4 into the function:

h(4) = –2(4)(2) + 4

⇒ Simplify:

h(4) = –16 + 4

⇒ Solve:

h(4) = –12

<u>Answer:</u> h(4) = –12

<em>I hope you understand and that this helps with your question! </em>:)

8 0
2 years ago
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igor_vitrenko [27]
600000 is 1/10 of "x", that means x = 10/10 or a whole, what is "x"?

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8 0
3 years ago
Anyone know how to dothis ??
Mars2501 [29]

Answer:

70 degrees.

Step-by-step explanation:

Add up all the values and divide by 5.

350/5 = 70.

5 0
3 years ago
Which of the following statements are equivalent to the statement "price decreased by one third"?
N76 [4]
75% of what it before
4 0
3 years ago
F(x) =
Oksana_A [137]

9514 1404 393

Answer:

  f'(x) = (-6x² -14x -23)/(x² +5x +2)²

  f''(x) = (12x³ +42x² +138x +202)/(x² +5x +2)³

Step-by-step explanation:

The applicable derivative formula is ...

  d(u/v) = (v·du -u·dv)/v²

__

  f'(x) = ((-x² -5x -2)(4x +4) -(2x² +4x -3)(-2x -5))/(-x² -5x -2)²

  f'(x) = (-4x³ -24x²-28x -8 +4x³ +18x² +14x -15)/(x² +5x +2)²

  f'(x) = (-6x² -14x -23)/(x² +5x +2)²

__

Similarly, the second derivative is the derivative of f'(x).

  f''(x) = ((x² +5x +2)²(-12x -14) -(-6x² -14x -23)(2(x² +5x +2)(2x +5)))/(x² +5x +2)⁴

  f''(x) = ((x² +5x +2)(-12x -14) +2(6x² +14x +23)(2x +5))/(x² +5x +2)³

  f''(x) = (12x³ +42x² +138x +202)/(x² +5x +2)³

4 0
3 years ago
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