If she rides for 6 more days, what is the average number of miles she would have to ride each day to meet her goal is 4.7
We have given that,
Bilquis wants to ride her bicycle 47.6 miles this week. She has already ridden 8 miles.
We have to determine that If she rides for 6 more days, what is the average number of miles she would have to ride each day to meet her goal.
Based on the given conditions, formulate: 8+4x=26
Rearrange unknown terms to the left side of the equation:4x=26-8
Calculate the sum or difference:4x=18
Divide both sides of the equation by the coefficient of the variable:4x/4=18/4
Calculate the product or quotient:x=18/4
We get the result:4.7
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Answer:
Step-by-step explanation:
1) (m-n)(m+n)
= m^2 +mn-nm-n^2
= m^2-n^2
2) (z-3)(z+3)
= z^2+3z-3z-9
= z^2-9
Answer:
Yes, because 29.5 lies within the interval.
Step-by-step explanation:
Since the given interval of (28, 32) inches has an 80% confidence level. It is plausible to estimate with 80% certainty that the mean height of all adult miniature horses falls within that interval.
A height of 29.5 belongs to the interval:
28≤ 29.5 ≤ 32
Therefore, based on the confidence interval, the belief that the population average height is 29.5 inches is plausible