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Leni [432]
2 years ago
7

Hurrrrrrrryyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy

Mathematics
2 answers:
antiseptic1488 [7]2 years ago
7 0

Answer:

i think its x= 18 degrees but i dont know so i apologize if its wrong

Step-by-step explanation:

Artyom0805 [142]2 years ago
7 0

Answer:

77 180-26=154 sence its iscosolice dived that by 2 154/2=77

Step-by-step explanation:

if brainiest is earned its greatly apprieciated

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Use technology to determine an appropriate model of the data. (-1,0), (1,-4), (2,-3), (4,5), (5,12)
Vinil7 [7]
By graphing the points, The best mode of the data will be the quadratic function

There is 5 steps to find the quadratic function that models the data.

First step           ⇒ Plot the data pairs (x, y) in a coordinate plane.
                              which are the blue circles in the attached figure

Second step     ⇒ Draw the parabola you think best fits the data.
                             Which is the red function in the attached figure.

Third step         ⇒ Estimate the coordinates of three points on the
                             parabola, which are (-1, 0), (2, -3), and (5, 12).

Fourth step       ⇒ Substitute the coordinates of the points into the model
                            y = ax² + bx + c
                            to obtain a system of three linear equations.

                            a - b + c = 0           ---------(1)
                            4a + 2 b + c = -3    ---------(2)
                            25a + 5 b + c = 12 ---------(3)   

Fifth step   ⇒ Solve the linear system.
                      By using the calculator
                      a = 1 , b = -2 , c = -3

So, the quadratic model for the data is ⇒ y = x² - 2x - 3


7 0
3 years ago
8.1 Tangent Lines find the side of of triangle KLJ
Stells [14]

Answer:

x=12

Step-by-step explanation:

tangent forms 90° with the touch point at circle

(x+8)^2 = 256+x^2

x^2 + 16x + 64 = 256 + x^2

16x = 192

x= 12

8 0
3 years ago
PLEASE HELP ME WITH #1 ASAP
Grace [21]

Answer:

1335$ because 8900*15/100=1335

5 0
3 years ago
2y^4 x 5y^3 please can you help me
Morgarella [4.7K]

Answer:

20y^7. this is because the exponents are added together because the variable attached to the coefficient are the same therefor the coefficients are multiplied, and the exponents are added together.

8 0
2 years ago
Read 2 more answers
Someone plzzzz help me?
Assoli18 [71]

Answer:

The answer is B. I plugged it into a graphing calculator. Hope this helped :)

Step-by-step explanation:

6 0
3 years ago
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