Answer:
Sometimes a diagonal numerator and denominator are the same number.
Canceling is a way to simplify fractions before we multiply.
Find one numerator and one denominator that are divisible by the same number.
This is the easiest kind of cancellation, because they both cancel to 1.
Step-by-step explanation:
didn't look it up hope this helps!
7) 12x 45/100 = $5.40
8) 360/3= 120 mile/hr
120x 11 = 1320
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➷ We'll work from here:
9x = 180
To isolate x, you would need to divide both sides by 9
x = 180/9
Solve:
x = 20
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Answer: Second Option
68%
Step-by-step explanation:
First we calculate the Z-scores
We know the mean and the standard deviation.
The mean is:
The standard deviation is:
The z-score formula is:
For x=24 the Z-score is:
For x=30 the Z-score is:
Then we look for the percentage of the data that is between deviations from the mean.
According to the empirical rule 68% of the data is less than 1 standard deviations of the mean. This means that 68% of pizzas are delivered between 24 and 30 minutes