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son4ous [18]
3 years ago
8

Please help!!!! ASAP Will mark BRAINLIEST!!!

Mathematics
1 answer:
mote1985 [20]3 years ago
3 0

Answer:

They are congruent

Step-by-step explanation

When measured, the triangles equal the same in all aspects.

Another reason is that they are both right angles.

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Only number 10............
Roman55 [17]

Answer: F. The Theoretical Probability is Greater than the Experimental Probability.

Step-by-step explanation: Theoretical probability gives you the odds of every outcome. With flipping a coin, the outcome odds of tails would always be 1/2. Experimental probability is the actual outcome that results from trials. During trials, tails was flipped 8 times. We can simplify 8/20 flips to find that tails was flipped 2/5 flips. In decimal form, 1/2 simbolizes .5 or 50%. 2/5 simbolizes .4 or 40%. The theoretical probability is greater than the experimental probability.

3 0
3 years ago
I need help in math homework
aliina [53]

yes please ask your doubts we are here to solve

6 0
3 years ago
Read 2 more answers
Lin is shopping for a couch with her dad and hears him ask the salesperson, “How much is your commission?” The salesperson says
lys-0071 [83]

Answer:

The salesperson will get $27.23

Step-by-step explanation:

Given that:

Commission of salesperson = 5.5% of selling price

Selling cost of couch = $495

Commission amount = 5.5% of 495

Commission amount = \frac{5.5}{100}*594

Commission amount = 0.055 * 495

Commission Amount = $27.23

Hence,

The salesperson will get $27.23

6 0
3 years ago
You survey 284 students about whether they use a laptop or tablet. One hundred
Murljashka [212]

In a <em>two-way frequency table</em>, the marginal frequencies is the 'total' entry for the row and the 'total' entry for the column

The result of the data organized in a <u>two way table</u> with the <u>marginal frequency</u> included is as follows;

\begin{array}{|l|c|c|c|}\mathbf{\underline{Device \ Student \ Use}}&\mathbf{\underline{Laptop}}&\mathbf{\underline{Do\  not \ use \ laptop}}&\mathbf{\underline{Total}}\\&&&\\\mathbf{Tablet}&49 &75&\underline{124}\\&&&\\\mathbf{Do\  not \ use \  tablet}&63&97&\underline{160}\\&&&\\\mathbf{Total}&\underline{112}&\underline{172}&284\\&&&\end{array}

The reason the above table is correct is as follows:

The known parameters are;

Number of students in the survey, <em>U</em> = 284 students

The number of students that use a laptop, <em>n(L) </em>= 112

The number of students that also use a tablet, <em>T ∩ L</em> = 49

The number of students that do not use a laptop or a tablet, n(T \cup L)^c  = 97

Required:

To organize the result of the survey in a two-way table

Solution:

U = n(T \cup L)^c + n(T ∪ L)

Therefore;

n(T ∪ L) = U - n(T \cup L)^c

n(T ∪ L) = 284 - 97 = 187

n(T ∪ L) = 187

The number of students that use only a laptop = n(L) - n(T ∩  L) = 112 - 49 = 63

The number of students that use only a laptop <em>[n(L) - n(T ∩  L)] </em>= 63

n(T ∪ L) = n(T) + n(L) - n(T ∩ L)

n(T) = n(T ∪ L) - [n(L) - n(T ∩ L)]

n(T) = 187 - 63 = 124

The number of students that use only tablets = n(T) - n(T ∩  L) = 124 - 49 = 75

The number of students that use only tablets, [n(T) - n(T ∩  L)] = 75

 

The results are organized in the attached two way table and the marginal frequencies are the <u>numbers underlined</u> in the totals column

\begin{array}{|l|c|c|c|}\mathbf{\underline{Device \ Student \ Use}}&\mathbf{\underline{Laptop}}&\mathbf{\underline{Do\  not \ use \ laptop}}&\mathbf{\underline{Total}}\\&&&\\\mathbf{Tablet}&49 &75&\underline{124}\\&&&\\\mathbf{Do\  not \ use \  tablet}&63&97&\underline{160}\\&&&\\\mathbf{Total}&\underline{112}&\underline{172}&284\\&&&\end{array}

Learn more about marginal frequencies here:

brainly.com/question/16401512

7 0
3 years ago
Fran baked 300 cookies for her bakery.15% of the cookies were oatmeal raisin.25% were snickerdoodle and the rest were chocolate
Masteriza [31]

Answer:

180

Step-by-step explanation:

15% of 300 is 45.

25% of 300 is 75.

45+75 is 120.

300-120 is 180

5 0
3 years ago
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