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stepladder [879]
3 years ago
5

Answer the following questions CORRECTLY I will know if this is wrong. I WILL REPORT ANY INCORRECT ANSWERS!

Mathematics
2 answers:
Sveta_85 [38]3 years ago
6 0

Hi There!

1. The two-way frequency table below shows how many students passed their driving test as well as the number who took a preparatory class. Find the probability that a student passed the test, given that he or she took the class.

Frequency Table: 82/115

Answer: No class 23 21

Hope This Helps :)

Daniel [21]3 years ago
3 0

Answer by JKismyhusbandbae: The sample space for the probability is the number of students who took the class. Divide the number of students who took the class and passed the test by the number of students who took the class.

So it should be: \frac{82}{115}

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Nuri joins a game for a car. The rule is that Nuri pick one key from box either A, B, or C. A box has two keys but only one can
jek_recluse [69]

Answer:

0.278

Step-by-step explanation:

Given that Nuri joins a game for a car. The rule is that Nuri pick one key from box either A, B, or C. A box has two keys but only one can be used. B box has three keys but only one can be used. C box has two keys but none of them can be used.

Each box is equally likely to be selected.

In other words

P(A) = P(B) = P(C)=\frac{1}{3}

If A is selected then probability of winning is using the correct key out of two keys i.e. 0.5

If B is selected then probability of winning is using the correct key out of three keys i.e. 0.333

If c is selected then probability of winning is using the correct key out of two keys i.e. 0.00

So the probability that Nuri can win the car

= \frac{1}{3} *0.5+\frac{1}{3} *0.333+\frac{1}{3} *0\\= 0.278

6 0
3 years ago
One triangle on a graph has a vertical side of 7 and a horizontal side of 12. Another triangle on a graph has a vertical side of
Darya [45]

Write a C program to compute Matrix Multiplication of two matrices. Use one dimensional array to store each matrix, where each row is stored after another. Hence, the size of the array will be a product of number of rows times number of columns of that matrix. Get number of row and column from user and use variable length array to initialize the size of the two matrices as well as the resultant matrix. Check whether the two matrices can be multiplied or not. Write a getMatrix() function to generate the array elements randomly. Write a printMatrix() function to print the 1D array elements in 2D Matrix format. Also, write another function product(), which multiplies the two matrices and stores in the resultant matrix. With SEED 5, the following output is generated.


Sample Output


Enter the rows and columns of Matrix A with space in between: 3 5


Enter the rows and columns of Matrix B with space in between: 5 4


Matrix A:


   8     6     4     1     6


   2     9     7     7     5


   1     3     1     1     2


Matrix B:


   9     5     4     5


   9     9     8     1


   4     4     3     5




   2     6     2     1


   4     5     2     4


Product AxB:


168   146   106    91


161   186   125    81


50    52    37    22


In conclusion, the answer is D; No, because they are not similar triangles.


Thank you, please give Brainliest! :)

6 0
4 years ago
Someone help please please someone
aev [14]

(1-52/2+5)=(1-26+5)=(-25+5)=-20

continuing:

-20*2*6*6= -40*6*6=-240*6=-1440

result: -1440

6 0
3 years ago
Read 2 more answers
How do you do this?
erastova [34]

x is the number you thinkc

that's it

x/2 -4

7 0
3 years ago
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Christina is saving money to buy a bike that cost 189 he saves 99 so far he plans on saving $10 each week and how many weeks wil
Alisiya [41]

Answer:

9 weeks

Step-by-step explanation: you add 10 until you get 189 then you count how many times you added 10

7 0
3 years ago
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