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guajiro [1.7K]
3 years ago
7

How do you do this using a graphing calculator?

Mathematics
1 answer:
lesya [120]3 years ago
4 0
Press the button COS( )
Type in the number, close the parentheses
Press Enter (MAKE SURE CALC IN DEGREE MODE)
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The director of admissions at Kinzua University in Nova Scotia estimated the distribution of student admissions for the fall sem
Naily [24]

Answer: 1406

Step-by-step explanation:

Given Table :

Admissions   Probability

1,040                0.3

1,320                0.2

1,660                0.5

Now, the expected number of admissions for the fall semester is given by :-

E(x)=p_1x_1+p_2x_2+p_3x_3\\\\\Rightarrow\ E(x)=0.3\times1040+0.2\times1320+0.5\times1660\\\\\Rightarrow\ E(x)=1406

Hence, the expected number of admissions for the fall semester = 1406

3 0
3 years ago
3 Select all the equations that the number 7 will make true. (1 Point) <br>​
Nastasia [14]

3+4

that is one of em but you did not provide me with an image so i cant really answer but give u a simple equation like that one on top.

4 0
3 years ago
What is the following sum ?
Hitman42 [59]
Answer: 4th option

Explanation:

I added a picture so please check it

6 0
3 years ago
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Which two points in the graphed function have an average rate of change of 5?
djverab [1.8K]

Answer:

<h2>D. points A and B</h2>

Step-by-step explanation:

Look at the picture.

average\ rate=\dfrac{rise}{run}

A.\ B\ and\ C\to\dfrac{-3}{-1}=3\\\\B.\ D\ and\ F\to\dfrac{-12}{2}=-6\\\\C.\ C\ and\ E\to\dfrac{-8}{4}=-2\\\\D.\ A\ and\ B\to\dfrac{-5}{-1}=5

3 0
3 years ago
Choose a reasonable estimate. The mass of a bag of apples: 2g ? 2kg
baherus [9]

Answer:

The answer is most likely 2 kg

If this answer was helpful, please consider giving brainliest!

5 0
2 years ago
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