Answer is dm².
In order to calculate the area of the board that can be seen, we need to calculate the area of the the rectangular board and the circular frame. The difference of both's area is the required answer.
Refer to the attachment for step by step solution. :)
Answer: A confidence interval for the mean cost (in dollars) for one shipment of vases = (49,59)
Step-by-step explanation:
Confidence interval for mean: Mean ± Margin of error
Given: The online store found the mean wholesale cost of one shipment of vases was ĉ = 54 dollars, with a margin of error of 5 dollars.
A confidence interval for the mean cost (in dollars) for one shipment of vases
Hence, a confidence interval for the mean cost (in dollars) for one shipment of vases = (49,59)
Answer:
(m+n)(m-n)
Step-by-step explanation:
formula: x^2 - y^2 = (x+y)(x-y)
add m and n to x and y to get
m^2 - n^2
then the formula says insert the m and n into the formula answer of (x+y)(x-y) to get our answer of
(m+n)(m-n)
