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AVprozaik [17]
3 years ago
12

Someone please help me on this question!!!!!

Mathematics
1 answer:
dem82 [27]3 years ago
6 0

now in a kite, the ∡x and the angle on the opposite side are twins.

the sum of all interior angles in a polygon are 180(n - 2), n = number of sides.

so a kite is a quadrilateral, 4 sides, so its interior angles add up to 180( 4 - 2) = 360°.

we know one side is 26°, and the opposite side is 90°, so the slack is 360 - 26 - 90 = 244°.

so the twins will take half each of that, namely each one takes 244/2 = 122° = ∡x.

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A squared plus b squared equals c squared calculator
Vlada [557]

Answer:

umm?

Step-by-step explanation:

You just uhh explained the pythagorean theorem formula

a^{2} + b^{2} = c^{2}

but what's the question?

4 0
3 years ago
Psychologist is measuring learning in mice. He assumes that a mouse learns to recognize a specific object after a random number
Sphinxa [80]

Answer:

Option B) 0.2143                                            

Step-by-step explanation:

We are given the following in the question:

Numbers of exposures(x): 4,3,7

We have to find the maximum likelihood estimate of p.

Formula:

\hat{p} = \dfrac{n}{\sum x_i}

Putting the values, we get,

\hat{p} = \dfrac{3}{3+4+7} = \dfrac{3}{14} = 0.2143

Thus, the correct answer is

Option B) 0.2143

6 0
4 years ago
Could any one explain this problem?
maxonik [38]

Answer:

C

Step-by-step explanation:

Δ AQP and Δ ACB are similar triangles, thus the ratios of corresponding sides are equal, that is

\frac{AQ}{AC} = \frac{PQ}{BC} ( note that AC = 3 + 6 = 9 ), substitute values

\frac{3}{9} = \frac{4.5}{BC} ( cross- multiply )

3BC = 40.5 ( divide both sides by 3 )

BC = 13,5 cm → C

8 0
3 years ago
Give an example of either Inductive or Deductive reasoning. Try to use a "real world" example of something you might have encoun
kipiarov [429]

Answer:

See answer below

Step-by-step explanation:

In inductive reasoning we arrive to a general conclusion based on particular observations.

For example:

<em>"My friends Peter and Mary study at XYZ University. Peter and Mary are brilliant. </em>

<em>Yesterday I met Joe in a party. Joe also studies at XYZ University and he happens to be brilliant, too. </em>

<em>I conclude that all the students of XYZ University are brilliant" </em>

Notice that this kind of reasoning might lead to a false conclusion.

In deductive reasoning, we arrive to a particular conclusion based on general observations. So, deductive reasoning is the opposite of inductive reasoning.

An example of deductive reasoning could be the following:

<em>"To be accepted in the XYZ University you must pass a test with a score greater than 70%. </em>

<em>My friend Peter studies at XYZ University, so he passed the test with a score greater than 70%" </em>

In deductive reasoning you may arrive to a false conclusion if your general assumption is false.

8 0
4 years ago
Consider a population with 3 observations: 6, 10 and 12. You use simple random sampling without replacement to select a sample o
lozanna [386]

Answer:

\dfrac{2}{3}

Step-by-step explanation:

Given that:

The number of observations is:

6, 10, 12

If we are to use a simple  random sampling without replacement, then we will have:

(6,10)  (6,12)  (10,12)

Here;

the sample size n = 2

The population size N = 3

For (6,10) ; The sample mean = \dfrac{6+10}{2}

= \dfrac{16}{2}

= 8

For (6,12) ; The sample mean = \dfrac{6+12}{2}

= \dfrac{18}{2}

= 9

For (10, 12) ; The sample mean = \dfrac{10+12}{2}

= \dfrac{22}{2}

= 11

The probability distribution of sample mean(x) is:

X           8           9          11

P(X=x)    \dfrac{1}{3}          \dfrac{1}{3}           \dfrac{1}{3}

Thus, the probability that the sample mean  is larger than 8 is:

P(X> 8) = P(X = 9) + P(X + 11)

P(X> 8) = \dfrac{1}{3}+\dfrac{1}{3}

P(X > 8) = \dfrac{1+1}{3}

P(X> 8) = \dfrac{2}{3}

5 0
3 years ago
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