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2 years ago

Which of the following best describes the figure?

Mathematics

2 answers:

stira [4]2 years ago

8 0

Answer:

a convex nonagon

Step-by-step explanation:

adoni [48]2 years ago

8 0

<h2>Answer:</h2>

The given graph represents--

Concave nonagon

<h2>Step-by-step explanation:</h2>

Nonagon--

A nanagon is a polygon with 9 sides.

Regular nonagon means that all the 9 sides are of equal length and all the interior angles are of equal measure.

Convex polygon means that none of the interior angles of the polygon is greater than 180 degree otherwise it is a concave polygon.

From the figure that is provided to us we observe that the polygon has nine sides.

Hence, it is a nonagon.

Also, one of the angle is greater than 180°.

Hence, the polygon is concave nonagon.

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What are the x-intercepts of the function f(x) = –2x2 – 3x + 20?

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The root sof this quadratic equation are -4 and 2.5.

The roots of any quadratic can be found by using the quadratic equation. The equation is below for you.

$\frac{-b +/- \sqrt{b^{2}- 4ac}}{2a}$

In this equation you use the number attached to x^2 as the a, which in this case is -2. The number attached to x as b, which is in this case -3. And the number at the end as c, which is 20. From there you solve for the answers.

$\frac{3 +/- \sqrt{-3^{2}- 4(-2)(20)}}{2(-2)}$

$\frac{3 +/- \sqrt{9 + 160}}{-4}$

$\frac{3 +/- 13}}{4}$

Now you separate and get the two separate answers. First the positive.

$\frac{3 + 13}}{4}$

$\frac{16}}{4}$

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$\frac{3 - 13}}{4}$

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2 years ago

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24. ABCDE and PQRST are regular pentagons.

SIZIF [17.4K]

Answer:

126°

Step-by-step explanation:

In quadrilateral DSRC, SR || DC (given)

AP = BQ = CR = DS = ET (given)

$\therefore$ CR bisects $\angle DCB$

$\therefore m\angle DCR=\frac{108\degree}{2}$

( $108\degree$ is the measure of an angle of pentagon)

$\therefore m\angle DCR=54\degree$

$\because m\angle DCR + m\angle SRC=180\degree$

(Measure of interior angles on the same side of transversal)

$\therefore 54\degree + m\angle SRC=180\degree$

$\therefore m\angle SRC=180\degree- 54\degree$

$\therefore m\angle SRC=126\degree$

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2 years ago

An equivalent expression for 16x − 8 is _____ . The _____ Property is used to generate this expression.

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16x - 8 can be 8(2x - 1)

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Answer:

Since angle G is the largest angle, the opposite side, JH, is the longest. The order of the side lengths from longest to shortest is JH, HG, GJ

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guajiro [1.7K]

The answer to the problem is as follows:

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