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Naddik [55]
3 years ago
11

Adrian kept an eye on the basketball game score by looking online every 10 minutes. Over the course of

Mathematics
1 answer:
Oduvanchick [21]3 years ago
4 0

Answer:

Step-by-step explanation:

Using the mean concept, it is found that the average score of Adrian’s favorite team relative to its opponent using the observations Adrian made during the game is of -0.3333.

-----------------

The mean of a data-set is given by the sum of all observations divided by the number of observations.

Adrian looked the scores every 10 minutes in 2 hours, thus 12 times, as .

4 times ahead by 3 points, thus  

4 times behind by 4 points, thus  

At the other moments, the game was tied, thus the observation is 0.

Thus, the mean is of:

The average score of Adrian’s favorite team relative to its opponent using the observations Adrian made during the game is of -0.3333.

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Please help quick you have to click on the picture to see the whole question
MrRa [10]
3x + x =12.80
Combine like terms
4x=12.80
Divide both sides by 4 to isolate x
X=3.20
Pat has 3 times = 3.20x3= 9.60
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8 0
4 years ago
Read 2 more answers
3. Given: ABCE is a rectangle. D is the midpoint of E.
Georgia [21]

Answer with Step-by-step explanation:

We are given that

ABCE is a rectangle .Rectangle is that quadrilateral in which opposite sides are equal and each  is equal to  90 degrees.

D is the midpoint of E.

We have to prove that AD\cong BD

Statement:1 ABCE is a rectangle.D is the mid point of CE

Reason: Given

Statement 2:\angle AED\cong \angle BCD

Reason:By definition of rectangle

Statement:3 AE=BC

Reason: By definition of rectangle

Statement 4:ED=DC

Reason: By definition of midpoint because D is the midpoint of side EC

Statement 5:\triangle AED\cong \triangle BCD

Reason:SAS postulate

Statement: 6 AD\cong BD

Reason:CPCT

Hence proved.

7 0
3 years ago
In a recent health survey, 333 adult respondents reported a history of diabetes out of 3573 respondents. What is the critical va
adoni [48]

Answer:

The critical value for the 90% confidence interval is Z_c = 1.645.

Step-by-step explanation:

In a sample with a number n of people surveyed with a probability of a success of \pi, and a confidence level of 1-\alpha, we have the following confidence interval of proportions.

\pi \pm z\sqrt{\frac{\pi(1-\pi)}{n}}

In which

z is the z-score that has a p-value of 1 - \frac{\alpha}{2}.

90% confidence level

So \alpha = 0.1, z is the value of Z that has a p-value of 1 - \frac{0.1}{2} = 0.95, so Z = 1.645.

The critical value for the 90% confidence interval is Z_c = 1.645.

6 0
3 years ago
The countries population in 1991 was 231 million . In 1999 it’s was 233 million. estimate the population in 2003 used The expone
liraira [26]

Answer:

The population in 2003 was 234  million

Step-by-step explanation:

In order to calculate the population in 2003 we would have to use the The exponential growth formula as follows:

p(y)=ir^t

According to the given data:

p(y)=233 million

i=231 million

t =1999-1991

Therefore, 233 million=231 million r^(1999-1991)

(233 million/231 million)^(1/8)=r

p(y)=231 million(233 million/231 million)^((y-1991)/8)  

Therefore, in 2003   p(2003)=231 million(233 million/231 million)^((2003-1991)/8)

p(2003)=231 million(233 million/231 million)^(1.5)

p(2003)=234  million

The population in 2003 was 234  million

7 0
4 years ago
What are the next three terms of the arithmetic sequence -18, -13, -8, -3, …?
sveticcg [70]
2, 7, 12

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4 0
3 years ago
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