Answer:
The actual building is 13.3 feet tall.
Step-by-step explanation:
Let the actual height be 'x'.
Given that on a scale drawing with a scale of 1/20, the height of the building is 8 inches, the expression becomes
(1/20) × x = 8
x = 20 × 8 = 160 inches
We know that
Thus,
160 inches = 160/12 ≈ 13.3 feet
Therefore, the actual building is 13.3 feet tall.
Answer:
in simplest form the radical would be, 4 3/4
( the / is supposed to be the square root sign)
hope this helped ;D
33100 = 7.8% of total
33100 = .078 x total (change from percent to decimal)
33100/.078 = total (divide both sides by decimal)
424358.9 = total
Round to 424,359 copies.
Answer: a) 84 and b ) 2084
Step-by-step explanation:
Given : Sample standard deviation : s= $22.82
(Population standard deviation is unknown ) , so we use t-test.
Critical value or the 95% confidence intervals :
Formula to find the sample size :
a) E = 5
i.e. Required sample size : n= 84
b) E = 1
i.e. Required sample size : n= 2084
Answer:
C.-3 to -2
Step-by-step explanation:
From the picture attached, it can be seen that an extreme value, that is, a maximum of the polynomial is found between x = -3 and x = -2. In this extreme point, the polynomial has an approximate value of 4.5