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3 years ago

Jesse is choosing a drink from a cooler containing 4 bottles of water, 3 bottles of fruit juice, and 8 bottles of milk.

Mathematics

2 answers:

kati45 [8]3 years ago

8 0

The answer is 15. I just took the test and the correct answer is fifteen.

enyata [817]3 years ago

5 0

The answer would be D. 96 combinations because 4 times 3 is 12 now you multiply that by 8 and its 96

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What is the quadratic regression equation for the data set? <br><br> PLEASEE HELP ME

Soloha48 [4]

You're trying to find constants $a_0,a_1,a_2$ such that $\hat y=a_0+a_1\hat x+a_2{\hat x}^2$ . Equivalently, you're looking for the least-square solution to the following matrix equation.

$\underbrace{\begin{bmatrix}1&6&6^2\\1&3&3^2\\\vdots&\vdots&\vdots\\1&9&9^2\end{bmatrix}}_{\mathbf A}\underbrace{\begin{bmatrix}a_0\\a_1\\a_2\end{bmatrix}}_{\mathbf x}=\underbrace{\begin{bmatrix}100\\110\\\vdots\\70\end{bmatrix}}_{\mathbf b}$

To solve $\mathbf{Ax}=\mathbf b$ , multiply both sides by the transpose of $\mathbf A$ , which introduces an invertible square matrix on the LHS.

$\mathbf{Ax}=\mathbf b\implies\mathbf A^\top\mathbf{Ax}=\mathbf A^\top\mathbf b\implies\mathbf x=(\mathbf A^\top\mathbf A)^{-1}\mathbf A^\top\mathbf b$

Computing this, you'd find that

$\mathbf x=\begin{bmatrix}a_0\\a_1\\a_2\end{bmatrix}\approx\begin{bmatrix}121.119\\-3.786\\-0.175\end{bmatrix}$

which means the first choice is correct.

8 0

4 years ago

Use the graph of f (x) to find the solutions to the equation f (x) = 0.

inna [77]

The graph intersects y = 0 at x = 2 and x = -6, so the answer is B.

6 0

3 years ago

The rate of change from 23 to 30 is

____ [38]

Answer:

Step-by-step explanation:

8 0

3 years ago

Too lazy to right it down so ig just read it off the pic<br><br> Rsm question pls put explanation

leonid [27]

Answer:

M<1 =52 M<3 =52

Step-by-step explanation:

5 0

2 years ago

Read 2 more answers

What is the domain and Range of the piecewise function?

Nastasia [14]

Answer:

option A all real numbers

Step-by-step explanation:

domain is the all possible "X" values

and X has all real values

3 0

3 years ago