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fiasKO [112]
4 years ago
14

for classes of 272 students,find the mean and standard deviation for the number born on the 4th of July. ignore leap year

Mathematics
1 answer:
klio [65]4 years ago
6 0
Correct is the answer
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Need help refer to picture
Mrrafil [7]

Answer:

-6x + 54y + 4.83 xy + 9.32

Step-by-step explanation:

line up like terms next to each other:

7x - 13 x + 18y + 36y + 4.83xy + 9.32

solve:

-6x + 54y + 4.83xy + 9.32

8 0
3 years ago
Read 2 more answers
What is the ratio for Cos B?
RUDIKE [14]

Answer:

  3/5

Step-by-step explanation:

The cosine ratio is ...

  Cos = Adjacent/Hypotenuse

  cos(B) = BA/BC = 48/80

  cos(B) = 3/5

8 0
3 years ago
Please help me nowwww
Llana [10]

Answer:

1) Brazil - 190,000,000

2) Egypt - 77,000,000

3) Australia - 20,000,000

4) Singapore - 4,400,000

5) Luxembourg - 470,000

3 0
3 years ago
Find the value of x.
KengaRu [80]

Answer:

100

Step-by-step explanation:

The two angles form a straight line which is 180 degrees

5+x  +75 = 180

Combine like terms

x+80 = 180

Subtract 80 from each side

x +80-80=180-80

x = 100

7 0
3 years ago
Read 2 more answers
When a line is reflected over the y-axis, the result is
boyakko [2]
A. a line 
the shape wouldn't change. For example, a square reflected over the y-axis would still be a square 
7 0
4 years ago
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