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Blababa [14]
3 years ago
14

The measure of an exterior angle of a regular polygon is 24 find the measure if the interior angle then find the number of sides

Mathematics
1 answer:
Natali [406]3 years ago
3 0
<span>The interior and exterior angles add up to 180° (a straight line - eg, a + f = 180°), andThe sum of the exterior angles is 360° (a + b + c + d + e = 360°).</span><span>Question

</span>
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(¬‿¬) Find the number of real number solutions for the equation. x^2+9x+20=0
mart [117]

To find the nature of solutions of a quadratic equation we can find the discriminant.

The standard form of a quadratic equation is ax² + bx + c = 0.

Formula to find the discriminant = b² - 4ac.

So, first step is to compare the given equation with the above equation to get the value of a, b, and c.

After comparing the two equations we will get a =1, b = 9 and c = 20.

Next step is to plug in these value in the formula of discriminant. So,

Discriminant = 9² - 4(1)(20)

= 81 - 80

= 1

Since 1 is a positive perfect square number.

So, we will get two real solutions for this equation.

Hence, the correct choice is C.

Hope this helps you.

8 0
3 years ago
Help please due tonight
BabaBlast [244]

Answer:... what is it?

Step-by-step explanation:

5 0
2 years ago
How do you solve for a and b?
natali 33 [55]
You need to isolate b on one side of the equation then divide both side by h finally move b on the other side of the equation by subtracting it from both sides of the equation and then you have what b equals to
5 0
2 years ago
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A teacher divided students into groups of 3. Each group of 3 wrote a report that had 9 pictures in it. The students used 585 pic
jeyben [28]
So this is what i did but im not sure if its 100% correct

585 / 9 to get the number of groups = 65

then you take 65 x 3 for number of students in each group and you get the final answer of 195 students
5 0
3 years ago
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5.1436 rounded to the nearest hundredth
tatiyna

Answer:

5.14

Step-by-step explanation:

ones.tenths hundredths

8 0
3 years ago
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