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3 years ago

9

Why is Old Alabama Town important to the south

2 answers:

lozanna [386]3 years ago

8 0

Because it shows how Alabamians lived in 19th to the mid 20th century, and buildings that were safe from destruction.

Sergeu [11.5K]3 years ago

4 0

Old Alabama Town shows us the way that settlers in central Alabama lived between the 19th and 20th centuries. The town is a preservation of southern pioneer history and lifestyles.

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Li designed a survey to determine how comfortable students at her middle school are with fractions. There are 600 students in he

Dmitry_Shevchenko [17]

The correct answer to this is:

Nonrandom and biased

<span>The method of Li’s sampling has a tendency that some elements or portion in the population has no chance of selection. Further, it was not stated which portion of the population she obtained the sample thus we cannot accurately determine the probability of selection. This kind of sampling results in a bias. A biased sampling is a type of nonrandom sampling. </span>

4 0

4 years ago

Read 2 more answers

5. f(x) = 3x³ - 4x² +6x and g(x)=5x ³+ 2x²- 3x. What is f(x) - g(x)?

sasho [114]

Answer:

<h2>A. -2x³ - 6x² + 9x</h2>

Step-by-step explanation:

$f(x)=3x^3-4x^2+6x\\\\g(x)=5x^3+2x^2-3x\\\\f(x)-g(x)=(3x^3-4x^2+6x)-(5x^3+2x^2-3x)\\\\=3x^3-4x^2+6x-5x^3-2x^2-(-3x)\qquad\text{combine like terms}\\\\=(3x^3-5x^3)+(-4x^2-2x^2)+(6x+3x)\\\\=-2x^3-6x^2+9x$

8 0

4 years ago

Which of the following statements is true?

mariarad [96]

Answer:

Sedimentary rocks usually form in visible layers

Step-by-step explanation:

A is wrong because not all igneous rock is formed by pressure

B is wrong because sedimentary rock is usually a surface rock

C is wrong because the rock cycle is sporadic and doesn't always end in igneous rock

D is correct because sedimentary rock is formed from years and years of sediment layering on top of each other

8 0

3 years ago

Read 2 more answers

To solve a system of inequalities so you can graph it how do you change these two equations into something like the two that are

Zigmanuir [339]

Explanation

Problem #2

We must find the solution to the following system of inequalities:

$\begin{gathered} 3x-2y\leq4, \\ x+3y\leq6. \end{gathered}$

(1) We solve for y the first inequality:

$-2y\leq4-3x.$

Now, we multiply both sides of the inequality by (-1), this changes the signs on both sides and inverts the inequality symbol:

$\begin{gathered} 2y\ge-4+3x, \\ y\ge\frac{3}{2}x-2. \end{gathered}$

The solution to this inequality is the set of all the points (x, y) over the line:

$y=\frac{3}{2}x-2.$

This line has:

• slope m = 3/2,

,

• y-intercept b = -2.

(2) We solve for y the second inequality:

$\begin{gathered} x+3y\leq6, \\ 3y\leq6-x, \\ y\leq-\frac{1}{3}x+2. \end{gathered}$

The solution to this inequality is the set of all the points (x, y) below the line:

$y=-\frac{1}{3}x+2.$

This line has:

• slope m = -1/3,

,

• y-intercept b = 2.

(3) Plotting the lines of points (1) and (2), and painting the region:

• over the line from point (1),

,

• and below the line from point (2),

we get the following graph:

Answer

The points that satisfy both inequalities are given by the intersection of the blue and red regions:

8 0

1 year ago

Jose has scored 562 points on his math test so far this semester to get an A for the semester he was or at least 650 Point write

Papessa [141]

(x = minimum number of points)

$x \geqslant 88$

8 0

4 years ago