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algol [13]
3 years ago
7

Winona needs to average 5.8 points from 14 judges to win the competition. The mean score of 13 judges was 5.9. What is the lowes

t score she can receive from the fourteenth judge and still win?
Mathematics
1 answer:
pshichka [43]3 years ago
3 0
If you want to go the long way you can go one by one to get the answer (shown here) 1 + 5.9= 6.9 divided by 2 = 3.45 (not a win)
2+ 5.9= 7.9 div. by 2 = 3.95 (not a win)
3+ 5.9= 8.9 div. by 2 = 4.45
4+ 5.9= 9.9 div. by 2 = 4.95
5+ 5.9= 10.9 div. by 2 = 5.45
6+ 5.9= 11.9 div. by 2 = 5.95 Win the lowest score Winona can get is a 6 in order to get the winning score.
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Darina [25.2K]
So there is 75 boxes of 12 right? You would figure out how much sticks you have by multiplying then you have to give them to 23 teachers. You take the total of sticks and divide among each teacher 

I hope this helps :)
3 0
3 years ago
Please help i will mark brainliest!​
GuDViN [60]

Answer:

Cluster Sampling

Step-by-step explanation:

I cant be 100% sure as i am not in statistics, but by definition cluster sampling is a probability sampling technique where researchers divide the population into multiple groups (clusters) for research (in this case its the phone book). Researchers then select random groups (three random pages) with a simple random or systematic random sampling technique for data collection and data analysis(interviews).

so that appears to be what is happening in this scenario.

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4 years ago
The image represents what geometric construction? A) Copy a triangle construction B) Copy a segment construction C) Parallel lin
Umnica [9.8K]

Answer:

d perpendicular bisected and midpoint

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3 years ago
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Lina20 [59]

Option D: Two irrational solutions

Explanation:

The equation is 17+3 x^{2}=6 x

Subtracting 6x from both sides, we have,

3x^{2} -6x+17=0

Solving the equation using quadratic formula,

x=\frac{6 \pm \sqrt{36-4(3)(17)}}{2(3)}

Simplifying the expression, we get,

\begin{aligned}x &=\frac{6 \pm \sqrt{36-204}}{6} \\&=\frac{6 \pm \sqrt{-168}}{6} \\&=\frac{6 \pm 2 i \sqrt{42}}{6}\end{aligned}

Taking out the common terms and simplifying, we have,

\begin{aligned}x &=\frac{2(3 \pm i \sqrt{42})}{6} \\&=\frac{(3 \pm i \sqrt{42})}{3}\end{aligned}

Dividing by 3, we get,

x=1+i \sqrt{\frac{14}{3}}, x=1-i \sqrt{\frac{14}{3}}

Hence, the equation has two irrational solutions.

8 0
3 years ago
After 8 examinations, Kacey's average was 55. Her next result increased her average to 60. What was the next score?
Yuki888 [10]

Answer:

65

Step-by-step explanation:

they're going by 5s every time her score increases. hope I helped (:

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