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fredd [130]
3 years ago
8

A polygon has 11 sides. What is the sum of the measure of the exterior angles of the polygon?

Mathematics
1 answer:
Serhud [2]3 years ago
6 0

Answer: 32,73°

Step-by-step explanation: The formula for calculating the size of an exterior angle is: exterior angle of a polygon = 360 ÷ number of sides. Therefore it's 360°÷11sides=32.73°, that is to 2 decimal places.

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In 2011, a U.S. Census report determined that 71% of college students work. A researcher thinks this percentage has changed sinc
coldgirl [10]

Answer:

Note: The full question is attached as picture below

a) Hо : p = 0.71

Ha : p ≠ 0.71

<em>p </em>= x / n

<em>p </em>= 91/110

<em>p </em>= 0.83.

1 - Pо = 1 - 0.71 = 0.29.

b) Test statistic = z

= <em>p </em>- Pо / [√Pо * (1 - Pо ) / n]

= 0.83 - 0.71 / [√(0.71 * 0.29) / 110]

= 0.12 / 0.043265

= 2.77360453

Test statistic = 2.77

c) P-value

P(z > 2.77) = 2 * [1 - P(z < 2.77)] = 2 * 0.0028

P-value = 0.0056

∝ = 0.01

P-value < ∝

Reject the null hypothesis.  There is sufficient evidence to support the researchers claim at the 1% significance level.

6 0
3 years ago
5n - 2 = 6r + 5<br> What is n
Zina [86]
It would like this for solving n

6 0
2 years ago
Simplify<br><br> 4+3[5-4 divided by(12-10)]
12345 [234]
12-10=2, 4/2=2, 5-2=3, 3*3=9, 4+9=13
8 0
3 years ago
Annual revenue for Corning Supplies grew by 5.5% in 2007; 1.1% in 2008; -3.5% in 2009; -1.1% in 2010; and 1.8% in 2011. What is
ANTONII [103]

Answer:

The mean growth annual rate over this period is 0.0036

Step-by-step explanation:

we know that

The mean growth annual rate is calculated as the sum of each year's growth rate divided by the number of years

\frac{5.5\%+1.1\%-3.5\%-1.1\%+1.8\%}{5}=0.36\%

Convert to decimal form

0.36\%=0.36/100=0.0036

therefore

The mean growth annual rate over this period is 0.0036

6 0
3 years ago
If f(x) is a linear function, f( - 1) = 5, and f(2) = 3, find an equation for 8 (2)<br> =<br> f(x) =
Leno4ka [110]
5
—————————————————————————-
3 0
2 years ago
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