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VLD [36.1K]
2 years ago
12

How many sides are there?

Mathematics
1 answer:
lions [1.4K]2 years ago
4 0

Answer:

13

Step-by-step explanation:

1980 = ( n - 2 ) * 180

n - 2 = 11

n = 13

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belka [17]
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Explanation:
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2 years ago
Solve by substitution <br> 1. 6x+ 5y=7 x-y=3<br> 2. 3a +2b =4 2a + b=6<br> 3. 2x + y= 4 4x -y=2
Juli2301 [7.4K]

Answer:

1. y = 11

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2. a =8

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Step-by-step explanation:

1 . 6x + 5y = 7

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8 0
2 years ago
When Colton commutes to work, the amount of time it takes him to arrive is normally distributed with a mean of 41 minutes and a
N76 [4]

Answer:

(34, 48)

Step-by-step explanation:

According to the Empirical Rule, 95% of normally distributed data lie within two standard deviations of the mean.  That, in turn, means 95% of the data in this problem lie within 2(3.5 min), or 7 min, of the mean:

41 - 7 < mean < 41 + 7, or

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2 years ago
What is the vertex of the graph of f(x) = x2 + 4x + 6?
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Answer:

(-2,2)

Step-by-step explanation:

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3 years ago
A boy is standing next to a radio. As he moves away from the radio, which would MOST LIKELY occur?
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The last one im pretty sure
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3 years ago
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