Mathematics, 02.12.2019 23:31 ariana7245
The monthly utility bills in a city are normally distributed with a mean of $121 and a standard deviation of $23. find the probability that a randomly selected utility bill is between $110 and $130.
Answers: 1
Mathematics, 21.06.2019 18:10
Find the value of p for which the polynomial 3x^3 -x^2 + px +1 is exactly divisible by x-1, hence factorise the polynomial
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Mathematics, 21.06.2019 19:00
Lena reflected this figure across the x-axis. she writes the vertices of the image as a'(−2, 8), b'(−5, 6), c'(−8, 8), d'(−4, 2).
Answers: 2
Mathematics, 21.06.2019 19:40
What happens to the area as the sliders are adjusted? what do you think the formula for the area of a triangle is divided by 2?
Answers: 1
The monthly utility bills in a city are normally distributed with a mean of $121 and a standard devi...
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