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erastovalidia [21]
3 years ago
11

A group of people are spinning a spinner that is separated into eight equal parts. Group One spins the spinner eight times. Grou

p Two spins the spinner twenty times. Group Three spins the sbinner eighty times. Which group is most likely to be closest to the theoretical probability?
Mathematics
1 answer:
algol133 years ago
6 0

if the number of times spun is not a multiple of 8, it is impossible to land on an exactly even distribution for this spinner. But since the probabilities of landing on an exactly even distribution are so small, that detail doesn't perturb the overall trend, except perhaps down at n=8 spins So group 3

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Solve for x.<br><br> 6(x – 1) = 9(x + 2)
bazaltina [42]
Let's solve your equation step-by-step.<span><span>
6<span>(<span>x−1</span>)</span></span>=<span>9<span>(<span>x+2</span>)</span></span></span>
Step 1: Simplify both sides of the equation.<span><span>
6<span>(<span>x−1</span>)</span></span>=<span>9<span>(<span>x+2</span>)</span></span></span><span>
Simplify:</span><span><span><span><span>
(6)</span><span>(x)</span></span>+<span><span>(6)</span><span>(<span>−1</span>)</span></span></span>=<span><span><span>(9)</span><span>(x)</span></span>+<span><span>(9)</span><span>(2)</span></span></span></span>(Distribute)<span><span><span><span>
6x</span>+</span>−6</span>=<span><span>9x</span>+18</span></span><span><span><span>
6x</span>−6</span>=<span><span>9x</span>+18</span></span>
Step 2: Subtract 9x from both sides.<span><span><span><span>
6x</span>−6</span>−<span>9x</span></span>=<span><span><span>9x</span>+18</span>−<span>9x</span></span></span><span><span><span>
−<span>3x</span></span>−6</span>=18</span>
Step 3: Add 6 to both sides.<span><span><span><span>
−<span>3x</span></span>−6</span>+6</span>=<span>18+6</span></span><span><span>
−<span>3x</span></span>=24</span>
Step 4: Divide both sides by -3.<span><span><span>
−<span>3x</span></span><span>−3</span></span>=<span>24<span>−3</span></span></span><span>
x=<span>−8</span></span><span>
Answer: x= -8

-Hope I helped.</span>
8 0
3 years ago
Read 2 more answers
John's wages, w dollars, for working h hours is modeled by the equation w = 4h. If John has worked for 4 hours, and then he cont
kolezko [41]

Answer:

$24

Step-by-step explanation:

So the total number of hours John has worked after 4 hours plus another 2 hours is h = 4 + 2 = 6 hours.

Given that John's wage is modeled by the equation w = 4h, then his total wage within 6 hours of working is is

w = 4h = 4 * 6 = $24

6 0
4 years ago
suppose the nightly rate for a three star hotel in paris is thought to be bell-shaped and symmetrical with a mean of 160 euros a
Westkost [7]

Answer:

95.44%

Step-by-step explanation:

Mean rate (μ) = 160 euros

Standard deviation (σ) = 8 euros

For any given rate, X, the z-score is:

z=\frac{X-\mu}{\sigma}

For X = 144 euros:

z=\frac{144-160}{8}\\ z=-2

For X= 176 euros

z=\frac{176-160}{8}\\ z=2

In a standard distribution, a z-score of -2 corresponds to the 2.28th percentile, while a z-score of 2 corresponds to the 97.72th percentile.

Therefore, the percentage of hotels with rates between 144 and 176 euros is:

P=97.72-2.28\\P=95.44\%

8 0
3 years ago
Which segment in the diagram is skew to BD? <br> A GH <br> B FH<br> C
MariettaO [177]
Theanswer is line segment FH
8 0
3 years ago
Read 2 more answers
Factor the equation.​
goblinko [34]

Answer:

(5t+3), (t+3), (t-3)

Step-by-step explanation:

Reorder terms.

5t^3+3t^2-45t-27

Factor out the greatest common factor from each group

t^2(5t+3)-9(5t+3)

Factor the polynomial by factoring out the greatest common factor, 5t +3

(5t+3)(t^2-9)

Factor.

(5t+3), (t+3), (t-3)

hope this helps :)

3 0
3 years ago
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