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Elanso [62]
2 years ago
13

* will mark BRAINLEST *

Mathematics
2 answers:
Lerok [7]2 years ago
4 0

Answer:

For number 15 the first option and the third option is the answer for number 16.

HACTEHA [7]2 years ago
3 0
15. The answer that best fits the question would be the "First" option. the ( and ) are just things to say do the inner work first, then multiply.

16. The Third option is the answer that best fits the question. She is trying to find how many time she did something, so multiplication would be the answer.


Hope this helps!
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For a sample of eight bears, researchers measured the distances around the bears' chests and weighed the bears. Minitab was used
kkurt [141]

Answer:

Kindly check explanation

Step-by-step explanation:

Given that :

Correlation Coefficient (r) = 0.989

alph=0.05

Number of observations (n) = 8

determine if there is a linear correlation between chest size and weight.

Yes, there exists a linear relationship between chest size and weight as the value of the correlation Coefficient exceeds the critical value.

What proportion of the variation in weight can be explained by the linear relationship between weight and chest size?

To determine the the proportion of variation in weight that can be explained by the linear regression line between weight and chest size, we need to obtain the Coefficient of determination(r^2) of the model.

r^2 = square of the correlation Coefficient

r^2 = 0.989^2 = 0.978121

Hence, about 0.978 (97.8%) of the variation in weight can be explained by the linear relationship between weight and chest size.

4 0
3 years ago
You and your friend are in the studio audience of a television game show. the show randomly picks 2 people in the audience. if t
Andrews [41]

Answer:

2/300, or simplified: 1/150. Decimal: 0.006

Step-by-step explanation:

3 0
2 years ago
The line plots shows the number of hours two different age groups of teenagers spent online the previous week.
Serjik [45]
The range is <span>is greater for data set 2.
- This is because it goes from 21-34 in the first set and 12-36 in the second. 

The mean is greater for data set 2. 
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4 0
3 years ago
Read 2 more answers
Which statement describes an advantage to using equations?
Arte-miy333 [17]

Answer:

Equations make complicated math procedures easier to accomplish  and simpler to understand.

Step-by-step explanation:

6 0
3 years ago
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The space shuttle releases a space telescope into orbit
sergey [27]

Answer: 68 m/s^{2}

Step-by-step explanation:

The acceleration a of the satellite can be calculated by the following equation:

V_{f}=V_{o}+at

Where:

V_{f}=1700 m/s is the final speed of the satellite

V_{o}=0 is the initial speed of the satellite (it was "stationary" before the release)

t=25 s is the time

Isolating a:

a=\frac{V_{f}}{t}

a=\frac{1700 m/s}{25 s}

Finally:

a=68 m/s^{2}

4 0
3 years ago
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