Answer:
A group of seven friends each received one-half of a pound ofcandy. How much candy did they receive total?✓
0.5 pounds x 7= 3.5 poundsStep-by-step explanation:
Answer:
About 1.23 standard deviation above the mean
Step-by-step explanation:
From what we have here, we need to calculate the difference between the given value and the mean and divide by the standard deviation
That would be through calculating the z score as follows;
z-score = (x - mean)/SD
where x is the given value
z-score = (87-71)/13 = 1.23
Since the score is bigger than the mean, the correct choice here is that the score is about 1.23 standard deviation above the mean
25% said that they preferred a particular brand of shampoo, the rest is 75 %
Answer:
x = 4, -6
Step-by-step explanation:
x = 4, -6
Answer:
fishing rod = $78, fishing reel=$7
Step-by-step explanation:
A fishing rod: x
A fishing reel: y
2x+4y=184
6x+3y=489
Simplify.
x+2y=92
2x+y=163
Add the equations.
3x+3y=255
Multiply by 2/3.
2x+2y=170
subtract.
x=78
y=7
