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Misha Larkins [42]
2 years ago
13

Normal distribution models what type of variable?

Mathematics
1 answer:
Natalka [10]2 years ago
7 0
Random variable because it has all the signs to being a random variable
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Is the binomial a factor of the polynomial nominal function?
Sedbober [7]

The factors for given equation f(x)=x^{3} +3x^{2} -25x-75.

  • (x-1) - No
  • (x-3) - No
  • (x+3) - Yes
  • (x-5) - Yes
  • (x+5) - Yes

<u>Step-by-step explanation:</u>

The given equation is f(x)=x^{3} +3x^{2} -25x-75 .

Add 0 at the end of the equation.

x^{3} +3x^{2} -25x-75 = 0.

Let us group the given equation,

(x^{3} +3x^{2}) -(25x-75) =0.

⇒ Group 1: x^{3} +3x^{2} .

Group 2: - 25x +75 .

Pull out factor from each group,

⇒ Group 1: (x+3)(x^{2}).

Group 2: (x+3) (-25).

Join the two group since both (x+3) is common in both groups.

(x+3)(x^{2} -25) =0.

One of the factor is (x+3).

Other factors are solved by the formula, a^{2}-b^{2} = (a+b) (a-b) .

(x+3)(x^{2} -25) = (x+5) (x-5) .

The other factors are (x+5) and (x-5).

7 0
3 years ago
What is the difference? <br> 4/3-7/9
Alecsey [184]

Answer:

Step-by-step explanation:

4/3-7/9=12/9-7/9=5/9.

6 0
3 years ago
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A radius of 8.5m what is the area
Debora [2.8K]

Answer:

22/7 * 8.5 * 8.5 = answer

5 0
2 years ago
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Find the square root of 25
Usimov [2.4K]

Answer:

5

Step-by-step explanation:

7 0
1 year ago
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Solve each equation.<br><br> Captionless Image<br> a<br> b<br> c<br> d
Finger [1]

Answer:

d) n = -5 and n = -3

Step-by-step explanation:

n²+8n+15=0

Step 1: Factor left side of equation.

(n+3)(n+5)=0

Step 2: Set factors equal to 0.

n+3=0 or n+5=0

n=−3 or n=−5

3 0
3 years ago
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