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Dmitrij [34]
3 years ago
15

If a polygon has an interior angle of 144, what kind of polygon is it? (find the # of sides first

Mathematics
1 answer:
ikadub [295]3 years ago
5 0
<span>Each Interior Angle = <span>(<span>(Number of Sides -2) • 180 degrees<span>)<span> ÷ (Number of Sides)

Solving for number of sides
</span></span></span></span></span>
<span>Each Interior Angle / 180 = <span>(N -2) <span>/ (N)

144 / 180 = (n-2) / n

144 * n = 180n -360
360 = 36 n

n = 10 the number of sides

Source:
http://www.1728.org/polygon.htm

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

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2 years ago
Help! I have looked at so many lessons on writing exponential functions from a graph and nothing has helped.
Over [174]

Answer:

y = 8(-\frac{1}{2})^x

Step-by-step explanation:

Let the equation of the exponential function is,

y = a(b)ˣ

Since the graph of this function passes through two points (4, \frac{1}{2}) and (3, -1)

For the point (4, \frac{1}{2}),

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For second point (3, -1),

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Divide equation (2) by equation (1),

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-\frac{1}{2}=b^{(4-3)}

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From equation (2)

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Therefore, equation of the exponential function will be,

y = 8(-\frac{1}{2})^x

4 0
3 years ago
-1(x+5)=3[x+(2x-1)]<br> solved and justified each step
madreJ [45]

Answer:

<h2>x = -0.2</h2>

Step-by-step explanation:

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\text{Distributive property:}\ a(b+c)=ab+ac\\\text{Associative property:}\ (a+b)+c=a+(b+c)

6 0
3 years ago
How do I solve this triangle?
svetlana [45]

Answer:

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7 0
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To solve the system of equations below, Pedro isolated the variable y in the first equation and then substituted it into the sec
Reil [10]

Answer:

Resulting equation will be 5x²=36.

Step-by-step explanation:

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Now we substitute the value of y from equation (1) into equation (2).

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Then equation (2) will be x²+(2x)²=36

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So the equation after substitution of the value of y from equation 1 will be 5x² = 36.

8 0
3 years ago
Read 2 more answers
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