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sasho [114]
3 years ago
14

six students are working on math. two-thirds of them are working on fractions. how many students are working on fractions?

Mathematics
1 answer:
Wittaler [7]3 years ago
8 0
4 students are working on fractions
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Help me please I need the answer
Verdich [7]

Answer:

141

Step-by-step explanation:

162+54-75=141

3 0
3 years ago
Lyme disease is an inflammatory disease that results in a skin rash and flulike symptoms. It is transmitted through the bite of
neonofarm [45]

Answer:

Step-by-step explanation:

Let cases of Lyme disease = x

x = 2, 1, 3, 4, 5, 1, 2, 1, 6, 5, 4, 1

\sum x = 35

\sum x^2 = 139

y = 0, 1, 2, 1, 3, 5, 2, 3, 3, 3, 1, 0

\sum y = 24

\sum y^2 = 72

\sum xy = 55

S_{xx} = \sum x^2 - (\sum x)^2/n\\S_{xx} = 139 - 35^2/12\\S_{xx} = 36.92\\S_{yy} = \sum y^2 - (\sum y)^2/n\\S_{yy} = 72 - 24^2/12\\S_{yy} = 24

S_{xy} = \sum xy - ( \sum x \sum y)/n\\S_{xy} = 55 - (35*24)/12\\S_{xy} = -15

b) Linear correlation between Lyme disease and drowning deaths.

r = \frac{S_{xy}}{\sqrt{S_{xx}S_{yy}} }

r = -15/ √(24*36.92)

r = -0.504

3 0
3 years ago
A cylinder has a diameter of 10 km and a height of 3 km. What is the volume?
dexar [7]
The volume of the cylinder is 235.62 km^3
8 0
3 years ago
Terri played 70 tournament chess games during the school year and won 49 of them. What is her win-to-loss ratio?
Scilla [17]

Alright so the answer would be letter B, because

win-to-loss

49 to 21 (You can determine her losses by subtracted the number of wins from her total number of games played)

Now you must simplify your answer

7 is the greatest common factor (GCF) of both 49 and 21

Now divide both 49 and 21 by 7 to get

7 to 3

7 0
3 years ago
What is the relationship between the angles of this equilateral triangle
Ray Of Light [21]

Answer:

Is it A+B+C= 180 degrees

Step-by-step explanation:

all angles in a triangle add up to 180 degrees. It's also an equilateral triangle so each of its angles are 60 degrees

8 0
3 years ago
Read 2 more answers
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