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3 years ago

How do I find angle OCD? pls help

Mathematics

1 answer:

Blizzard [7]3 years ago

8 0

Since AO is parallel to CD, the angles CAB and BCA will be congruent. Therefore they both equal 57. that gets you on the right track

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A magazine provided results from a poll of 2000 adults who were asked to identify their favorite pie. Among the 2000 respondent

nadya68 [22]

Answer:

$\r p = 0.11$

$\r q = 0.89$

n = 2000

$E = \pm 5$

p - population proportion

$\alpha = 5$ %

Step-by-step explanation:

From the question we are told that

The sample size is $n = 2000$

The proportion of the population for chocolate pie is $p_c = 0.11$

The margin of error is $E = \pm 5$ %

Now in the question we are asked to provide the meaning of

$\r p , \r q , n , E , and\ p$

Now $\r p$ is the sample proportion of the population that those chocolate pie as favorite pie of which is given from the question as 0.11

Now

$\r q$ is the sample proportion of the population that choose other pies apart from chocolate pie as their favorite and it is evaluated as

$\r q = 1 - \r p$

$\r q = 1 - 0.11$

$\r q = 0.89$

n is the sample size which is given as n = 2000

E is the margin of error which given as $E = \pm 5$ %

p is the population proportion

Given that the confidence level is 95 % then the level of significance is mathematically evaluated as

$\alpha =(100 - 95)$ %

$\alpha =$ 5%

4 0

3 years ago

Y = x² + x + 8 find 1st and 2nd derivitive

vovikov84 [41]

Answer:

y' = 2x + 1

y'' = 2

Step-by-step explanation:

y = x² + x + 8

y' = 2x + 1

y'' = 2

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2 years ago

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Sholpan [36]

Answer:

0.4476

Step-by-step explanation:

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3 years ago

X^2+36<br><br> How to solve this with factoring?

Gnesinka [82]

Answer:

not factorable

Step-by-step explanation

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2 years ago

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dimaraw [331]

At a package weight of 8 they both cost $37

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3 years ago

Read 2 more answers