//Add 6 to both sides:
//Multiply by -1 on both sides:
Multiply by 3 on both sides:
Divide by 4 on both sides:
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Answer: x = 15 (Answer C)-----------------------------------------
Answer:
Part A:
n=6591.87≅6592
Part B:
n=6765.06≅6765
Step-by-step explanation:
In order to calculate the sample size we use the following estimated Sample proportion formula:
Where:
p is the previous estimate
q is the 1-p
Z is the distribution
E is the margin
At 90% Confidence significance level is 0.1/2=0.05
Z at 0.05 or 5% =1.645
Part A:
p=0.42
q=1-p=1-0.42=0.58
Z=1.645
E=0.01
n=6591.87≅6592
Part B:
Since no prior estimate is given we assume p =0.5 and q=0.5
n=6765.06≅6765
Answer:
x = -17/5
Step-by-step explanation:
Subtract 7 from both sides
5x= -10-7
Simplify -10 - 7 to -17
5x = -17
Divide both sides by 5
x= -17/5
Decimal Form: -3.4
Answer: 9 and 2/3 cases
Step-by-step explanation:
6 goes into 58 9 times to make 54 so makes 4 left over 4/6 simplified makes 2/3.