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Lostsunrise [7]
3 years ago
5

What is the answer because my son is strugilling

Mathematics
1 answer:
ale4655 [162]3 years ago
7 0

Try talking to him cause idk if I am wrong

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100 POINTSbrainlest to the person who get it right
Zina [86]

Answer:

[1] x² - 4/2x - 4

  • 3² - 4/2 × 3 - 4 = 9 - 4/2
  • 5/2

[2] 4 - 3x/2x + 4

  • 4 - 3 × 2/2 × 2 + 4 = 2/8
  • 1/4

[3] x²/2x² - 2

  • 0²/2 × 0² - 2
  • 0

[4] x² + 5/5 - x

  • - 2² + 5/5 + 2 = 4 + 5/7
  • 9/7

[5] - x³/x² - 4

  • - 1³/-1² - 4 = - 1/1 - 4
  • 1/3

[6] x + 3/x³ - 1

  • - 3 + 3/- 3³ - 1 = 0/- 27 - 1
  • 0

[7] 5 - x²/3x²

  • 5 - (- 4)²/3 × - 4² = 5 - 16/3 × 16
  • - 11/48

[8] - 2x + 6/2x³ - 3

  • - 2 × - 2 + 6/2 × - 2³ - 3
  • 10/- 19

[9] 4x²/- 3x² + 1

  • 4 × 1²/- 3 × 1² + 1 = 4/- 2
  • - 2

[10] 4x - 1/6x + 1

  • 4 × 3 - 1/6 × 3 + 1
  • 11/19

[11] x² - 1/x² + 1

  • 1² - 1/1² + 1 = 0/2
  • 0
8 0
3 years ago
Read 2 more answers
Solve for the indicated variable: ⅖(z + 1) = y for z.
sweet [91]

Answer:

  z = 5/2y -1

Step-by-step explanation:

We observe that z has ...

  • 1 added
  • the sum multiplied by 2/5

To solve for z, we undo these operations in reverse order.

  \dfrac{2}{5}(z+1)=y\qquad\text{given}\\\\z+1=\dfrac{5}{2}y\qquad\text{multiply by 5/2}\\\\\boxed{z=\dfrac{5}{2}y-1}\qquad\text{subtract 1}

5 0
3 years ago
Read 2 more answers
Need help with a,b,c! D: helpzzz
nlexa [21]
A: 11ft B: 45 C: 556
3 0
3 years ago
-p/3 - 8 = -3 I need the show work too
professor190 [17]

Answer:

-15

Step-by-step explanation:

-3+8-5. 5x3=15 and because it is -p it would be -15.

3 0
3 years ago
How to do this problem
Vera_Pavlovna [14]
X(x-1)(x^2+4)=(x^2-x)(x^2+4)=(x^4)+(4x^2)-(x^3)-(4x)=(x^4)-x(x^2+4)+(4x^2)
6 0
3 years ago
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