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pashok25 [27]
3 years ago
6

Can someone help me with the working out please its due Tomorrow

Mathematics
1 answer:
slavikrds [6]3 years ago
3 0
1) 12p+12q 2) 11p-11q 3)2p-10q
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What are the relative frequencies, to the nearest hundredth, of the rows of the two-way table?
sveta [45]

Answer:       A                 B

Group 1     0.25          0.75

Group 2    0.44          0.56

Step-by-step explanation:

Since we have given that

Number of people of A in group 1 = 15

Number of people of B in group 1 = 45

Total number of people in group 1 is given by

15+45=60

Relative frequency of people of A in Group 1 is given by

\frac{15}{60}=0.25

Relative frequency of people of B in Group 1 is given by

\frac{45}{60}=0.75

Similarly, Number of people of A in group 2 = 20

Number of people of B in group 2 = 25

Total number of people in group 2 is given by

20+25=45

Relative frequency of people of A in Group 2 is given by

\frac{20}{45}=0.44

Relative frequency of people of B in Group 2 is given by

\frac{25}{45}=0.56

Hence,        A                 B

Group 1     0.25          0.75

Group 2    0.44          0.56

6 0
3 years ago
I need to know how to do Solving Systems of Equations by Elimination
vredina [299]
The point of elimination is to have one variable so example

3x + 2y = 4

7X + 3y = 5


1) Try to find a way to have one variable

7(3x + 2y = 4) ----> 21x + 14y = 28

-3(7x+ 3y = 5) -----> -21x -9y = -15


2) add

0 + 5y = 13

3) solve for the last variable

5y = 13
y = 13/5 = 2 3/5 = 2.8

4) Subsitute the variable to get the other one

3x + 2(2.8) = 4

3x + 5.6 = 4

3x = -1.6

x = 0.533333333 (continue)

The intersection would be 0.53 with a line above the 3 and 2.8. (0.5333 , 2.8)

Hope you understand!!
6 0
3 years ago
To hang a 9-ft hammock from a tree, you first tie one end to the trunk of the tree. When the hammock is tied on one end, it make
Delicious77 [7]
Hi mom mom I will call you
8 0
3 years ago
Frank is a two digit number on his baseball uniform the number is a multiple of 10 and has 3 for one of its factors what three n
Yanka [14]
Th three numbers he could of had on his uniform are 60 30 or 90
5 0
3 years ago
Read 2 more answers
Of 500 new electronic products, 280 were intended for people over the age of 16, and 320 used a rechargeable battery. Of those p
skad [1K]

Answer:

450/500 = 0.9sorry if it's wrong

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
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