Answer:
=0.291
Step-by-step explanation:
number of residents who have completed some college =5372
number of residents who has completed college and age group 20-29years=1563
1563/5372
=0.29095
Answer:
10 experiments
Step-by-step explanation:
Given:
Amount of substance A = 
Amount of substance B =
Total amount of mixture = 
Now, amount used for each experiment = 
So, number of experiments conducted = 
Therefore, the number of experiments conducted are 10.
Answer:
-9 is your answer for b.
Step-by-step explanation:
Note the equal sign, what you do to one side, you do to the other. Also note the rule that if you have a positive sign & a negative sign next to each other, the resulting sign would be negative:
b + (-17) = -26
b - 17 = -26
Isolate the variable (b). Add 17 to both sides:
b - 17 (+17) = -26 (+17)
b = -26 + 17
Simplify:
b = -26 + 17
b = -9
-9 is your answer for b.
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Remember the rules:
Addition sign + Positive number = Add (Ex: 7 + 7 = 14)
Addition sign + Negative number = Subtract (Ex: 7 + (-7) = 7 - 7 = 0)
Subtraction sign + Positive number = Subtract (Ex: -3 + 4 = 4 - 3 = 1)
Subtraction sign + Subtraction sign = Add (Ex: 5 - (-5) = 5 + 5 = 10)
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Answer: C- 4,3 D- 9,4 E- 4,5 F- 1,4
Step-by-step explanation:
B is 2,2 A is -1,1 c is 2,-1