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Alex
3 years ago
6

A group of 7 students was asked, "How many hours did you watch television last week?" Here are their responses. 20,6,17,10,19,15

,9 Find the mean number of hours for these students. If necessary, round your answer to the nearest tenth.
Mathematics
1 answer:
Burka [1]3 years ago
5 0

Answer: 13.71

Step-by-step explanation:

20+6+17+10+19+15+9=96

96/7=13.71

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Please help as soon as possible
Inessa [10]

Answer:

tan=Opposite/Adjacent so 3/4 is the answer

Step-by-step explanation:

3 is opposite of A and 4 is Adjacent  of A

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3 years ago
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Elena L [17]

Answer:

4.results should be reported with some measure that represent how convinced we are that our conclusion reflect reality

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5 0
3 years ago
How many square inches are in 60 square fee
Vilka [71]

Answer:

8640 square inches

Step-by-step explanation:

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8 0
4 years ago
Which quadratic equation has solutions x=8 and x=−1?
andrezito [222]
There are two ways you can do this

Using the formula


{x}^{2}  - (sum \: of \: roots)x + poduct \: of \: roots = 0

{x}^{2}  - (8+-1)x +  - 1 \times 8 = 0


{x}^{2}  - 7x  - 8 = 0


Working backwards


x = 8 \: or \: x =  - 1
\Rightarrow x-8=0  \: or  \: x+1=0

\Rightarrow (x-8)(x + 1)=0
\Rightarrow  {x}^{2}   + x -8x - 8 = 0
\Rightarrow  {x}^{2}  - 7x - 8 = 0
7 0
4 years ago
A ball, with an initial position of x = 25.89 meters, undergoes a displacement of 32.2 meters. What is it’s final position?
Snowcat [4.5K]

Answer:

The answer is 58.09

Step-by-step explanation:

To get the final position, you add the displacement to the initial position.

Final position = 25.89 + 32.2

Final position = 58.09metres

4 0
4 years ago
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