Answer: 154 cu. in
Step-by-step explanation:
The space you have to measure is a cylinder.
Its height is the same as the height of the pipe, 16 inches.
Its diameter =inner diameter of pipe
= outer diameter of pipe - thickness of walls at each end of diameter
= 6 - 2(1.25)
= 3.5 inches
radius r = 1.75 inches
A cross-section of the cylindrical space is a circle.
area of circle = πr² = π * 1.75² = 9.625
volume = area of circle * height
9.625 * 16
= 154 cu. in.
Answer:
Kindly check explanation
Step-by-step explanation:
The hypothesis :
H0 : μ = 3000
H0 : μ ≠ 3000
The test statistic :
(xbar - μ) ÷ (s/√(n))
xbar = 3500
μ = 3000
σ = 300
n = 30
(3500 - 3000) ÷ (350/√(30))
Test statistic = 7.824
Df = 30 - 1 = 29
Tcritical at 0.01 = 2.462
Test statistic > critical value ; we reject H0 ; and concluded that there is significant evidence that
μ ≠ 3000
Answer:
C. Actual temperature of 57.1°F when the cricket has chirped 116 times
Explanation:
The x-axis represents the number of chirps per minute.
The values on the y-axis represent the temperature (in °F).
Given the point (116, 57.1)
• The number of chirps per minute = 116
,
• Temperature = 57.1°F
Thus, the point (116, 57.1) represent an actual temperature of 57.1°F when the cricket has chirped 116 times.
Answer:
t=1
Step-by-step explanation:
Answer:
280
Step-by-step explanation:
first make a proportion. 7 over 250= x over 10,000. cross multiply to get 250x=70,000. 70,000 divided by 250 which gets you 280.
