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pashok25 [27]
2 years ago
15

If each interior angle of a regular polygon is 168 °, then the number of sides of the polygon is ….

Mathematics
2 answers:
Nimfa-mama [501]2 years ago
7 0

the answer to your question is 30 sides

hope this helps

Tems11 [23]2 years ago
6 0
<h3><u>given</u><u>:</u></h3>

each interior angle= 168°

<h3><u>to</u><u> </u><u>find</u><u>:</u></h3>

the number of sides the polygon has.

<h3><u>solution</u><u>:</u></h3>

180- 360/n= 168

12= 360/n

n= 360/12

n= 30

<u>therefore</u><u>,</u><u> </u><u>the</u><u> </u><u>polygon</u><u> </u><u>has</u><u> </u><u>30</u><u> </u><u>sides</u><u>.</u>

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What is the geometric mean of 8 and 2?​
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Answer:

  4

Step-by-step explanation:

The geometric mean of two numbers is the square root of their product.

  √(8·2) = √16 = 4

The geometric mean of 8 and 2 is 4.

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The geometric mean of n numbers is the n-th root of their product.

6 0
3 years ago
You are trying to heat up a cup of water with a butane lighter.
algol13

Answer:

Step-by-step explanation:

Remark

The formula for this is

Heat = m * c * Δt

Givens

Heat = unknown

m = 200 grams

c = 4.184 Joules / grams oC

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It's hard to get the correct number of sig digs because the 200 is not qualified in any way.

Part 2.

This can really puzzle you until you know that heat given up = the heat taken on. The heat taken on was 11.2 Kj. The Butane lighter must have given that heat on.

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8 0
2 years ago
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vitfil [10]

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3 years ago
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The hypotenuse of the right triangle is 5y inches long. The lengths of the legs are x + 8 and x + 3 inches. If the perimeter of
Zolol [24]

Answer: 35 inches.

Step-by-step explanation:

We know that:

hypotenuse = 5*y in

cathetus 1 = (x + 8) in

cathetus 2 = (x + 3) in

The perimeter of the triangle is 76 inches, then:

5*y + (x + 8) + (x + 3) = 76

5*y + 2*x + 13 = 76

We also know that the length of the hypotenuse minus the length of the shorter leg is 17 in.

The shorter leg is x + 3, then:

5*y - (x + 3) = 17

Then we have the equations:

5*y + 2*x + 11 = 76

5*y - (x + 3) = 17

With only these two we can solve the system, first we need to isolate one of the variables in one of the equations, i will isolate x in the second equation.

x = 5*y  - 3 - 17 = 5*y - 20

x = 5*y - 20

Now we can replace this in the other equation, we get:

5*y + 2*x + 11 = 76

5*y + 2*(5*y - 20) + 11 = 76

15*y - 40 + 13 = 76

15*y - 29 = 76

15*y = 76 + 29 = 105

and remember that the hypotenuse is equal to 5*y, then we want to get:

3*(5*y) = 105

5*y = 105/3 = 35

5*y = 35

Then te length of the hypotenuse is 35 inches.

6 0
3 years ago
Can anybody help me please
Alexus [3.1K]

Answer:

The answers follow in order, yes, no, and no.

Step-by-step explanation:

3 0
3 years ago
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