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3 years ago

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A group of students formed a circle during a game. The circumference of the circle was about 43.96 feet, and the diameter of the

circle was 14 feet. Which expression best represents the value of (pie)?

1 answer:

lana [24]3 years ago

5 0

Answer:

43.96 over 14

Step-by-step explanation:

I took the test

Hope this helped

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What is an angle whose vertex is the center of the polygon whose sides are drawn totwo consecutive vertices

Sliva [168]

Answer:

A central angle of a regular polygon is an angle whose vertex is the center and whose sides contain two consecutive vertices of the polygon. You can divide 360° by the number of sides to find the measure of each central angle of the polygon.

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3 years ago

Identify the values of m and b of the linear function y = mx + b, graphed below.

Varvara68 [4.7K]

<h2>Finding the slope and y-intercept of a line given the graph</h2><h3>Answer:</h3>

$b = 4$

$m = -\frac{1}{3}$

<h3>Step-by-step explanation:</h3>

An equation of a line written in its Slope-intercept Form, $y = mx +b$ , has $b$ as its $y$ -intercept and $m$ as its slope.

$b$ or the $y$ -intercept is the $y$ -coordinate when $x = 0$ . On the given line, we can see that when $x = 0$ , $y = 4$ . It's $y$ -intercept is the point $(0,4)$ so $b = 4$ .

The slope, $m$ , of the line can be calculated by $\frac{y_2 -y_1}{x_2 -x_1}\\$ where $x_n$ and $y_n$ is the $xy$ -coordinates of any point $n$ on the line. In the given line, we can see that $(5,3)$ is on the line so this can be point $1$ . $(0,4)$ is also on the line (yes, you can also use the $y$ -intercept in calculating the slope of the line) so this can be our point $2$ .

$m = \frac{4 -3}{0 -3} \\ m = \frac{1}{-3} \\ m = -\frac{1}{3}$

The $y$ -intercept is $b = 4$ and the slope is $m = -\frac{1}{3}$

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3 years ago

Find the values for a and b that would make the equality true.

Crank

Answer:

a = - 4, b = 5

Step-by-step explanation:

Expand the left side and compare the coefficients of like terms on the right side.

- 3(2x² + ax + b)

= - 6x² - 3ax - 3b

Comparing like terms with - 6x² + 12x - 15

x - term → - 3a = 12 ( divide both sides by - 3 )

a = - 4

constant term → - 3b = - 15 ( divide both sides by - 3 )

b = 5

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3 years ago

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Lostsunrise [7]

Answer:

DONT CLICK THE LINK ITS A VIRUS

Step-by-step explanation:

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3 years ago

Can anyone help me with this I don't understand this please help me

I am Lyosha [343]

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3 years ago