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2 years ago

Help me in this question please

Mathematics

1 answer:

Andre45 [30]2 years ago

8 0

Answer:

m<5= m<3

m<11= m<14

m<16= m<9

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WHICH RATIO SHOW PORTION FORM WITH 25/28 BY WRITING IN LOWEST FORM

miss Akunina [59]

25/28

is in it's lowest form, as it cannot be reduced anymore.

25/28 = 0.8928571

hope this helps

8 0

3 years ago

If y varies inversely as x and } = 3 when x = 4, then y

Andrews [41]

Answer:

FALSE

Step-by-step explanation:

If y varies inversely as x., this is expressed as;

y = k/x

k is the proportionality constant

when y = 3 and x = 4

3 = k/4

k = 3 * 4

k = 12

when x = 15;

y = k/x

y =12/15

y = 4/5

Hence y is not equal to 12 when x = 15.

The correct answer is FALSE

5 0

2 years ago

Round 34.037 to 3 significant figures. a. 34.04 b. 34 c. 34.037 d. 34.0

dezoksy [38]

Answer:

My answer to the question is 34.0

6 0

3 years ago

What is the solution

omeli [17]

5x + 6y = 272

if you need the y-intercept
y= - 5x/6 + 45.5

7 0

3 years ago

What is the quadratic regression equation for the data set? 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

3 years ago