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gayaneshka [121]
3 years ago
9

Divide each polygon into triangles to find the sum of its angle measures

Mathematics
1 answer:
ElenaW [278]3 years ago
7 0
Is it not [n-2]180 this is the normal formula for finding the sum of angles
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Solve for x round to the nearest tenth.
lesantik [10]

Answer:

x ≈ 15.9

Step-by-step explanation:

Using Pythagoras' identity in the right triangle

x² + 6² = 17²

x² + 36 = 289 ( subtract 36 from both sides )

x² = 253 ( take the square root of both sides )

x = \sqrt{253} ≈ 15.9 ( to the nearest tenth )

3 0
3 years ago
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The 100th term of ​ 70, 100, 130
fgiga [73]

Answer:

3040

Step-by-step explanation:

given arithmetic progression is

70,100,130,...

here

first term (a)=70

common difference (d)=100-70=30

number of term n=100

using the formula of arithmetic progression

an=a+(n-1)d

a100=70+(100-1)30

a100=70+99×30

a100=70+2970

a100=3040

6 0
2 years ago
What is 8 Divided by 231 to the nearest thousandth
Mkey [24]

Answer:

0.346

Step-by-step explanation:

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3 0
2 years ago
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Consider the numbers 4 and √5. Which operation(s) will result in an irrational number?
tekilochka [14]

Answer: D (both the sum and the product).

Step-by-step explanation:

Let's add: 4 + sqrt5 will still seem irrational.

Let's multiply: 4*sqrt5 = 4sqrt5, which is irrational.

5 0
2 years ago
Katie wants to buy 27 candles. If there are 9 candles in each box, how many boxes of candles should Katie buy? * (need the answe
cricket20 [7]

Answer:

3 boxes

Step-by-step explanation:

because 3 times 9 is 27.

3 0
3 years ago
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