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3 years ago

What is the quadratic regression equation that fits these data?

Mathematics

2 answers:

bixtya [17]3 years ago

8 0

Answer:

the answer is D hope this helps

ruslelena [56]3 years ago

5 0

Answer:

Step-by-step explanation:

The answer is D. Use the Stat and then Edit button on your TI calculator to edit the values in L1 and L2 tables. In L1 enter 0, 1, 2, 3, 4, 5 and then arrow over and enter the y values into L2 the same way. Enter the number 12, then hit enter; enter the number 14, hit enter; enter the number 15 and then hit enter, etc. Do the same for the values that are going into L1.

When that is done, hit the Stat button again and arrow down to QuadReg and hit enter. Depending upon your calculator, you may have to arrow down to "calculate" or the calculator may display the equation immediately after hitting QuadReg. Again, it all depends upon your calculator.

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PLEASE HELP AND PLEASE EXPLAIN IM BEGGING YOU. Ms. Woody checks 20 papers in 4 minutes.

Wewaii [24]

Answer

5 and 1360

Step-by-step explanation:

If you divide 20 by 4 it is 5

If you times 20 by 68 mins then it is 1360

Always divided the two numbers they give you to find the rate which is 5 and then you times 68 to 20 to get 1360

Hope this helps

7 0

3 years ago

hiiii, i’m not good at this...at all so if you could please add in an explanation so i can understand better would be great!

aalyn [17]

Answer:

1. x=74

2. x=86

Step-by-step explanation:

1. the sum of interior angles in a triangle is 180 degrees

81 + 25 + x = 180

106 + x = 180

x = 74

2. once again the sum of interior angles in a triangle is 180 degrees so add up the terms and set them equal to 180

x + x-35 + 43 = 180

add up like terms (x and x, -35 and 43)

2x +8 = 180

2x = 172

x = 86

7 0

3 years ago

This Stem-and-Leaf Plot shows the number of minutes a group of students spent talking on the phone on a particular day. If 33 an

svetlana [45]

Answer:

i would say c.

hope this helps:)sorry if it doesnt

plz make brainliest

5 0

3 years ago

Write the following expression in exponential form: 7.2 × 7.2 × 7.2 × 7.2 × 7.2 × 7.2 7.2 × 6 67.2 7.26 7.2 + 6

9966 [12]

The exponential form of the expression will be 7.2^6

4 0

4 years ago

20/12=15/x find x plz help

Ganezh [65]

Answer:

$x = 9$

Step-by-step explanation:

To find x, we first have to solve the equation given in the question:

$\frac{20}{12} = \frac{15}{x}$

$20x = 15 \cdot 12$

$x = \frac{180}{20}$

$x = 9$

Therefore, x = 9.

Hope this helped!

3 0

3 years ago

Read 2 more answers