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sleet_krkn [62]
3 years ago
12

What is the measure of each interior angle in a regular 30-gon?

Mathematics
1 answer:
Rasek [7]3 years ago
5 0
Exterior angles always add up to 360 degrees so for 30-gon each exterior angles is 12 degrees (360/30)

To get the interior angles you subtract 180 from 12 to get 168 degrees
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Rebecca needs 10 1/2 yards of fabric to make quilt. She has one piece of fabric that is 2 1/2 yards and another piece of fabric
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Answer:

-15/4

Step-by-step explanation:

Add 2 1/2 and 4 1/4

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6 0
3 years ago
Write the equation 8y = 1/12 x – 0.8 in standard form. Identify A, B, and C.
PolarNik [594]

Answer:

The equation is 10x - 960y = 96

A = 10 , B = -960 , C = 96

Step-by-step explanation:

* Lets explain the standard form of the linear equation

- The standard form of the linear equation is :

 AX + BY = C , where A , B , C are constant

- A is a positive integer, and B, and C are integers

- The slope of the line is -A/B

- The y-intercept is C/A

- Lets solve the problem

∵ The equation of the line is 8y = 1/12 x - 0.8

- At first multiply the equation by 12 to make the coefficient of x integer

∴ (8 × 12) y = (1/12 × 12) x - (0.8 × 12)

∴ 96y = x - 9.6

- Multiply the two sides of the equation by 10 to make 9.6 integer

∴ (96 × 10) y = (1 × 10) x - (9.6 × 10)

∴ 960y = 10x - 96

- Add the two sides by 96

∴ 960y + 96 = 10x

- Subtract 960y from both sides

∴ 96 = 10x - 960y

∴ The standard form of the equation is 10x - 960y = 96, where

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3 0
3 years ago
I need help, please! ASAP.
dmitriy555 [2]

Answer:

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Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Solve and check<br> -5×=-50
larisa [96]
So -5x=-50
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divide by 5
x=10
check
-5 times 10=-50
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3 0
3 years ago
Read 2 more answers
Write the equation of the line that passes through (8,1) and is perpendicular to the line whose equation is y=−4x+2. Show all wo
scoundrel [369]

Answer:

\displaystyle y = \frac{1}{4}x - 1

Step-by-step explanation:

1 = ¼[8] + b

2

\displaystyle -1 = b \\ \\ y = \frac{1}{4}x - 1

* Perpendicular Lines have OPPOSITE MULTIPLICATIVE INVERSE <em>RATE OF CHANGES</em> [<em>SLOPES</em>], so −4 becomes ¼.

I am joyous to assist you anytime.

3 0
3 years ago
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