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Elis [28]
2 years ago
13

What is the quadratic regression equation that fits these data?

Mathematics
1 answer:
adelina 88 [10]2 years ago
5 0

Answer: y= 2.38x^2 + 0.90x + 9.90

Step-by-step explanation:

A p e x

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Dividing using synthetic division helppp
Likurg_2 [28]
Step 1: Set up the synthetic division. ...
Step 2: Bring down the leading coefficient to the bottom row.
Step 3: Multiply c by the value just written on the bottom row. ...
Step 4: Add the column created in step 3.
3 0
2 years ago
A certain model car has a keypad with 5 numbers on the door. To open the door, 5 numbers must be entered in the correct
MrRissso [65]

Answer:  A. \dfrac{1}{120}

Step-by-step explanation:

Total digits on keypad = 5

According to permutation,

If repetition of digits is not allowed then the number of 5-digits passwords can be formed = 5!

= 5 x 4 x 3 x 2 x 1         [n!=n x (n-1) x (n-2)x ... x 1]

=120

The probability that someone guesses the correct code = \dfrac{\text{Number of correct codes}}{\text{Total possible codes}}

=\dfrac{1}{120}

Hence, the correct option is A.

8 0
3 years ago
PLEASE CAN SOMEONE ANSWER THIS!!!! DEADLINE SOON!!!
Verdich [7]
Hello There!

I believe that the relationships that can help you solve this problem are that the angle is Complementary and Supplementary. It is complementary because within the angle, there is an angle that is 90°. It is also supplementary because the angle itself is 180° making the angle supplementary.

I hope this helps!
8 0
3 years ago
Will give crown thanks
Tatiana [17]

Answer:

A is right

B is acute

C is obtuse

D is right

Step-by-step explanation:

90 is right

anything under 90 is acute

over 90 obtuse

8 0
2 years ago
Read 2 more answers
The table represents the function f (x) = 2 x + 1.
Salsk061 [2.6K]

Answer:

C

Step-by-step explanation:

In the table, we are given the points [ (-3, -5), (2, y), (5, 11), (8, 17) ]

We are given the equation [ f(x) = 2x + 1 ] where 2 = slope and 1 = y intercept.

We need to find the value of "y".

y2-y1/x2-x1

y-(-5)/2-(-3) = 2

y+5/5 = 2

y = 5

Best of Luck!

5 0
3 years ago
Read 2 more answers
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