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skelet666 [1.2K]
2 years ago
8

There is a bag filled with 4 blue, 3 red and 5 green marbles.

Mathematics
1 answer:
amid [387]2 years ago
7 0

Answer:

1/3 x 3/11 = 3/33 or 0.09, or 9 percent

Step-by-step explanation:

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Please help!!! I need someone to use some brain power
olya-2409 [2.1K]

Answer:

  • r = 4, s = 3, t = 5

Step-by-step explanation:

<u>Solving quadratic equation:</u>

  • 5x² - 8x + 5 = 0
  • x = (-b ± √b²-4ac)/2a
  • x = (8 ± √8²-4*5*5)/2*5
  • x = (8 ± √64-100)/10
  • x = (8 ±√-36)/10
  • x = (8 ± 6i)/10
  • x = (4 ± 3i)/5

x = (r ± si)/t

r = 4, s = 3, t = 5

3 0
2 years ago
From the sum of 4x² - 2x +6 and 2x² + 4x-1, subtract 5x2 + 2x -4.
ikadub [295]

Answer:

  • x² + 9

Step-by-step explanation:

<u>Add:</u>

  • 4x² - 2x + 6 + 2x² + 4x - 1 = 6x² + 2x + 5

<u>Subtract:</u>

  • 6x² + 2x + 5 - 5x² - 2x + 4 = x² + 9
3 0
3 years ago
Read 2 more answers
Which is a factor of 6x^3+6
e-lub [12.9K]
The actual factor is 6(x + 1)(x^2 - x +1).
4 0
3 years ago
Which choice is the equation of the line that passes through the point (5, 19) and has a slope of
Liono4ka [1.6K]

Answer:

The equation is;

y = 12x-41

Step-by-step explanation:

Mathematically;

slope intercept form is;

y = mx + b

where m is slope and b is intercept

Since we already have the slope , the equation is;

y = 12x + b

To get b which is the y intercept, we simply substitute the value of the points given

Thus;

19 = 5(12) + b

19 = 60+ b

b = 19-60

b = -41

So the equation is;

y = 12x - 41

3 0
2 years ago
Find x.______________a0
velikii [3]

Answer:

x=4

Step-by-step explanation:

Before we find x, we need to set up this triangle a little more. We need to find the triangle's altitude before we can solve for x. We will use the heartbeat method to find the altitude.

Let altitude = y; solve for y:

\frac{2}{y}=\frac{y}{6}

y^2=12

y=\sqrt{12}

y=2\sqrt{3}

Now that we know the altitude, we can use the Pythagorean Theorem to find the hypotenuse (x).

a^2+b^2=c^2

2^2+(2\sqrt{3})^2=c^2

4+12=c^2

c^2=16

c=4

Since c and x are the same; c is just the hypotenuse in the Pythagorean Theorem.

x=4

4 0
3 years ago
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