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bixtya [17]
3 years ago
6

Last year, 11 students tried out for the

Mathematics
1 answer:
umka2103 [35]3 years ago
5 0
136% increase I think
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If the correlation between height and weight of a large group of people is 0.75​, find the coefficient of determination​ (as a​
Shtirlitz [24]
Independent variable is the predictor variable which is the height and dependent variable is the response variable which is weight in this scenario.

The square of correlation coefficient gives the coefficient of determination. It is denoted by R² (R squared).

We are given:
R = 0.75

So,
R²  = 0.75²

R² = 0.5625

R²  = 56.25 %
The coefficient of determination tells how much of the trend of dependent data can be explained by the independent data using the linear regression model. So in the given case, Height can explain 56.25% of the trend in the weight.
4 0
3 years ago
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Round 10,031.464 to the nearest hundred.
insens350 [35]

Answer:

10,031.46

Rounded to the nearest 0.01 or

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Step-by-step explanation:

7 0
3 years ago
The length of a rectangle is 7 centimeters greater than the width.
Lisa [10]

Answer:

length = 17cm, width = 10cm

Step-by-step explanation:

2L + 2w = 54

L = w + 7

Substitute:

2(w + 7) + 2w = 54

2w + 14 + 2w = 54

4w = 40

w = 10

L = 10 + 7 = 17

7 0
3 years ago
Help quick please<br><br><br><br><br> ________
Kruka [31]
Hey

Area of first rectangle = 18 x 21 = 378 in^2

Area of second rectangle = 17 x 9 = 153 in^2

Total area = 378+153 = 531 in^2

Option 1


Hope this helps :)
5 0
2 years ago
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Can someone please help me with my math asap​
Margarita [4]

Answer:

A) 15x - 12

General Formulas and Concepts:

<u>Pre-Algebra</u>

  • Distributive Property

<u>Algebra I</u>

  • Combining Like Terms

Step-by-step explanation:

<u>Step 1: Define</u>

5x(3 - 12x) - 3(4 - 20x²)

<u>Step 2: Simplify</u>

  1. Distribute:                         15x - 60x² - 12 + 60x²
  2. Combine like terms:         15x - 12
8 0
3 years ago
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