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Len [333]
3 years ago
9

Rohit wants to find the best model for a bivariate data set. He used a calculator to create a linear model, a quadratic model, a

nd an exponential model. The coefficient of determination for the linear model was 0.85. The coefficient of determination for the quadratic model was 0.90. The coefficient of determination for the exponential model was 0.81. Which model should he use to represent the data set?

Mathematics
2 answers:
san4es73 [151]3 years ago
8 0

The answer is quadratic, I took the test.

sasho [114]3 years ago
5 0

Answer: quadratic

Step-by-step explanation:

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7500 dollars is placed in an account with an annual interest rate of 5.25%. To the nearest tenth of a year, how long will it tak
Margarita [4]
Ssvhcvbbcccccccccccch da as usa hcsfghssfcvygfggf
3 0
3 years ago
Base 5<br> 3213<br> 3444<br> + 3323
cricket20 [7]

Answer:

  21040

Step-by-step explanation:

As with base-10 addition, when the sum is equal to the base or more, a "carry" is generated into the next place value column. Useful equivalents here are ...

  5₁₀ = 10₅

  6₁₀ = 11₅

  7₁₀ = 12₅

  9₁₀ = 14₅

  10₁₀ = 20₅

The addition is shown in the attachment. The sum is 21040₅.

_____

The equivalent decimal addition problem is 433+499+463=1395.

4 0
3 years ago
Geometry help asap please
NemiM [27]

Answer:

99 degrees

Step-by-step explanation:

81+a=180, so

180-81=99

a=99

5 0
3 years ago
DO NOT SCROLL PASS!!!!<br> PLEASE HELP AND EXPLAIN SO I CAN GET A UNDERSTANDING.
Ira Lisetskai [31]

0.06= 6/100

.4 = 4/10

0.006= 6/1000

0.31= 31/100

8 0
3 years ago
2. Solve the quadratic equation by completing the square.
Paraphin [41]

The roots of the quadratic equation are:

x = 0.74 - 0.6614i

x = 0.74 + 0.6614i

The given equation is:

2x² + 2 = 3x

Rearrange the equation

2x² -3x = -2

Divide through by 2

x² - (3/2)x = -1

x² - (3/2)x + (3/4)² = -1 + (3/4)²

(x - 3/4)² = -7/16

Square root both sides

x - 3/4 = √(-7/16)

x = 3/4 ± √(-7) / 4

x = 0.75 ± i√(7) / 4

x = 0.74 ± 0.6614i

Therefore, the roots of the quadratic equation are:

x = 0.74 - 0.6614i

x = 0.74 + 0.6614i

Learn more here: brainly.com/question/13981588

8 0
3 years ago
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