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Phoenix [80]
3 years ago
11

What part of the expression 4(x+3) is a factor

Mathematics
1 answer:
makkiz [27]3 years ago
5 0
4,x,3,and (x+3)
i think
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X-2/x-1=x+4/2x+2 show work
makvit [3.9K]

Answer:

x = (i sqrt(7))/4 - 3/4 or x = -(i sqrt(7))/4 - 3/4

Step-by-step explanation:

Solve for x:

x - 1 - 2/x = 3 x + 2

Bring x - 1 - 2/x together using the common denominator x:

(x^2 - x - 2)/x = 3 x + 2

Multiply both sides by x:

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

Expand out terms of the right hand side:

x^2 - x - 2 = 3 x^2 + 2 x

Subtract 3 x^2 + 2 x from both sides:

-2 x^2 - 3 x - 2 = 0

Divide both sides by -2:

x^2 + (3 x)/2 + 1 = 0

Subtract 1 from both sides:

x^2 + (3 x)/2 = -1

Add 9/16 to both sides:

x^2 + (3 x)/2 + 9/16 = -7/16

Write the left hand side as a square:

(x + 3/4)^2 = -7/16

Take the square root of both sides:

x + 3/4 = (i sqrt(7))/4 or x + 3/4 = -(i sqrt(7))/4

Subtract 3/4 from both sides:

x = (i sqrt(7))/4 - 3/4 or x + 3/4 = -(i sqrt(7))/4

Subtract 3/4 from both sides:

Answer:  x = (i sqrt(7))/4 - 3/4 or x = -(i sqrt(7))/4 - 3/4

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3 years ago
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8) find the volume of a prism
Eduardwww [97]

Answer:

I may be wrong but A

Step-by-step explanation:

3 0
3 years ago
Maths
tamaranim1 [39]

Answer:

  • 12 : 1

Step-by-step explanation:

<u>The volume of a cylinder:</u>

  • V = πr²h, where r-radius, h-height

<u>New dimensions of the cake:</u>

  • r1  → 2r and h1→ 3h

<u>The volume of the bigger cake:</u>

  • V1 = π*(2r)²*(3h) = 12*πr²h = 12V
  • V1/V = 12

The ration of volumes is 12 : 1

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4 years ago
Que numero elevado al cubo me da 19648
Lady bird [3.3K]

Answer:

4\sqrt[3]{307} o 26.98398684 en forma decimal

Step-by-step explanation:

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Three hens can lay 3 eggs in 3 days. How many hens can lay 12 eggs in 12 days?
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Answer:

3

Step-by-step explanation:

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