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2 years ago

Identify the polygon and classify it as regular or irregular

Mathematics

2 answers:

maria [59]2 years ago

8 0

That is a rhombus and is a regular polygon.

Ira Lisetskai [31]2 years ago

3 0

Answer:

The given figure is parallelogram and it is a Irregular polygon.

Step-by-step explanation:

Since the vertex of the given figure is not a right angle. <em>So, it is a parallelogram. </em>

Also, all sides and all angles of the given figure are not equal. <em>So. it is Irregular Polygon. </em>

Further, A Polygon whose all sides and all angles are equal to each other are called Regular Polygon. If it not equal then it is called Irregular Polygon.

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A(2/3x-3)=b solve for x

murzikaleks [220]

Answer:

x = $\frac{3b}{2A} +\frac{9}{2}$

Step-by-step explanation:

5 0

3 years ago

Find a_1 and d for an arithmetic sequence with these terms. a_4=9and a_7=18

jonny [76]

$\bf \begin{array}{llll}
term&value\\
-----&-----\\
a_4&9\\
a_5&9+d\\
a_6&(9+d)+d\\
&9+2d\\
a_7&(9+2d)+d\\
&9+3d=\underline{18}
\end{array}\\\\
-------------------------------\\\\
9+3d=18\implies 3d=9\implies d=\cfrac{9}{3}\implies \boxed{d=3}$

$\bf n^{th}\textit{ term of an arithmetic sequence}\\\\
a_n=a_1+(n-1)d\qquad 
\begin{cases}
n=n^{th}\ term\\
a_1=\textit{first term's value}\\
d=\textit{common difference}\\
----------\\
n=7\\
d=3
\end{cases}
\\\\\\
a_7=a_1+(7-1)d\implies 18=a_1+(7-1)3\implies 18=a_1+18
\\\\\\
18-18=a_1\implies \boxed{0=a_1}$

3 0

3 years ago

The cost of renting a car for a day is $0.70 per mile plus a $20 flat fee

Andreyy89

Answer:

a) y = .70x + 20

-To find this, use the rate as x since it will change based on the number of miles. Since 20 is a flat fee, it can be added at the end as a constant.

b) This graph forms a straight line.

-This is because the answer in a is a linear equation.

c) The slope is .70 and the y-intercept is 20.

-For this one, the y-intercept is always the constant at the end of the equation and the slope is the coefficient of x.

5 0

2 years ago

The diameter of a circle is 9 inches. What is the radius?

Deffense [45]

R=1/2*d
r=1/2*9
r=4.5 inches

5 0

2 years ago

Read 2 more answers

Two angles are supplementary if their sun is 180. The larger angle measures five degrees more than four times the measures of a

Jet001 [13]

Answer:

The smaller angle is 35 and the larger one is 145.

Step-by-step explanation:

In order to find this, we need to express the larger angle in terms of the smaller angle (x).

4x + 5 = large angle.

Now that we have this, we can add them together and set equal to 180.

x + (4x + 5) = 180

5x + 5 = 180

5x = 175

x = 35

Now that we have the value of the smaller angle, we can plug in to get the larger angle.

y = 4x + 5

y = 4(35) + 5

y = 140 + 5

y = 145

3 0

3 years ago