Answer:
The fabric needed for each pyramid cell of the kite will have an area of 173 cm².
Step-by-step explanation:
Area of a face of the triangular pyramids = (1/2)(b)(h)
where
b = base of a triangle of the triangular pyramid = 20 cm
h = height of each triangle of the triangular pyramids = 17.3 cm
Area = (1/2)(20)(17.3) = 173 cm²
Just like the image presented with the question, each face of the pyramid that has a cell of fabric has only one, So, the fabric needed for each pyramid cell of the kite will have an area of 173 cm².
Hope this Helps!!!
Answer:
5.48
Step-by-step explanation:
big number - little number
Answer:
y = 1/3x -3
Step-by-step explanation:
Answer:
See below
Step-by-step explanation:
a + 133 = 180 because they are supplementary angles. (adjacent angles that form a straight angle)
a = 47 (you substract 133 at each side of the previous equation, leaving that a = 47)
m || n Since "a" measure the same as the angle in the figure that measures 47 both are corresponding angles, therefore m and n are parallels
The lengths of pregnancies are normally distributed with a mean of 266 days and a standard deviation of 15 days.
That is,
Consider X be the length of the pregnancy
Mean and standard deviation of the length of the pregnancy.
Mean 
Standard deviation \sigma =15
For part (a) , to find the probability of a pregnancy lasting 308 days or longer:
That is, to find 
Using normal distribution,
Thus 
So 
Thus the probability of a pregnancy lasting 308 days or longer is given by 0.00256.
This the answer for part(a): 0.00256
For part(b), to find the length that separates premature babies from those who are not premature.
Given that the length of pregnancy is in the lowest 3%.
The z-value for the lowest of 3% is -1.8808
Then 
This implies 
Thus the babies who are born on or before 238 days are considered to be premature.
