3 years ago

How can you find the measure of one angle in each regular polygon?

1 answer:

5 0

Polygons have interior, exterior and central angles.
This page explains how to calculate them: http://www.1728.org/polygon.htm

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Which graph represents the solution set of system of inequalities?

Elis [28]

$3y\geqx-9\qquad|:3\\\\y\geq\dfrac{1}{3}x-3\\\\3x+y > -3\qquad|-3x\\\\y > -3x-3$

$\left\{\begin{array}{ccc}y\geq\dfrac{1}{3}x-3\\\\y > -3x-3\end{array}\right$

$y=\dfrac{1}{3}x-3\\\\for\ x=0\to y=\dfrac{1}{3}(0)-3=-3\to(0,\ -3)\\\\for\ x=3\to y=\dfrac{1}{3}(3)-3=1-3=-2\to(3,\ -2)\\\\y=-3x-3\\\\for\ x=0\to y=-3(0)-3=-3\to(0,\ -3)\\\\for\ x=-1\to y=-3(-1)-3=3-3=0\to(-1,\ 0)$

$y\geq\dfrac{1}{3}x-3$

solid line. we shade above the line

$y > -3x-3$

the dotted line. shadow above the line

Answer in the attachment (the first graph).

5 0

3 years ago

Read 2 more answers

Which equation should be used to find the volume of the figure?

dexar [7]

Answer:

O V=3(10XB)(12)

Step-by-step explanation:

8 0

2 years ago

Which polynomial is a difference of two squares? x2 − 16 x2 + 16 x2 − 8 x2 + 8

mart [117]

Difference means subtract so we can reduce the choices right away to first and third choices. of the only the first is the difference of squares, namely x² - 4²

8 0

3 years ago

1. A quadratic equation can have all of the following number of solutions except

mina [271]

You cannot have infinite solutions.

7 0

3 years ago

Cameron drives a semitruck for Haulin' Harry's Trucking Company. He earns $0.45 for every mile he drives. If Cameron drove 827.4

ANEK [815]

Answer:

$372.330

Step-by-step explanation:

if 1 mile = $0.45 and you want to find out 827.4 miles

you should multiple $0.45 × 872.4

1 mile : $0.45

827.4 × $0.45 = 372330

827.4 : $372.330

3 0

3 years ago