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qwelly [4]
3 years ago
10

Find the sum of the measure of the interior angles of the polygon below.

Mathematics
1 answer:
lana [24]3 years ago
4 0

Answer:

900

Step-by-step explanation:

(n – 2)180  where n is the number of sides

since this is a 7 sided polygon

(7-2) * 180

5 * 180

900

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A consumer advocacy group wants to determine whether there is a difference between the proportions of the two leading automobile
podryga [215]

Answer:

The answer is "0.3206".

Step-by-step explanation:

H_0: p_1 = p_2\\\\H_a: p_1 \neq  p_2\\\\\hat{p_1} = \frac{X_1}{N_1} = \frac{53}{400} = 0.1325\\\\\hat{p_1}= \frac{X_2}{N_2} = \frac{78}{500}= 0.156\\\\\hat{p} = \frac{(X_1 + X_2)}{(N_1 + N_2)} = \frac{(53+78)}{(400+500)} = 0.1456

Testing statistic:

z = \frac{(\hat{p_1}- \hat{p_2})}{\sqrt{(\hat{p} \times (1-\hat{p}) \times (\frac{1}{N_1} + \frac{1}{N_2}))}}

=\frac{(0.1325-0.156)}{\sqrt{(0.1456\times (1-0.1456)\times (\frac{1}{400} + \frac{1}{500}))}}\\\\ = -0.99

Calculating the P-value Approach

\text{P-value}= 0.3206

7 0
2 years ago
(-5-2)x(-3) what is the answer​
fenix001 [56]

Answer:

21

Step-by-step explanation:

-5 - 2= -7

-7*-3=

<h2>21</h2>
7 0
3 years ago
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<img src="https://tex.z-dn.net/?f=5%20%5Csqrt%7B15%7D%20" id="TexFormula1" title="5 \sqrt{15} " alt="5 \sqrt{15} " align="absmid
PSYCHO15rus [73]
The answer is 1.71......
5 0
3 years ago
Suppose A and B are independent events if P(A) = 0.4 And P(B) = 0.1, what is P(A'uB)? APEX
Aloiza [94]
For Independent Events, P(A) × P(B) = P(A∩B)

so we have, P(A∩B) = 0.4×0.1 = 0.04

P(A') = 1 - 0.4 = 0.6

This information can be represented on a Venn diagram as shown below

P(A'∪B) means the union of everything that is not A with everything that is B

P(A'∪B) = 0.06 + 0.54 + 0.04 = 0.64


5 0
3 years ago
34°, one angle that measured 134°, and one angle that is 12°. What triangle is it
Vladimir [108]

Answer:

It is an obtuse angle!

Step-by-step explanation:

5 0
3 years ago
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