X + 2(x + 3) = 12
x + 2x + 6 = 12
3x = 6, x = 2
y = 2 + 3, y = 5
Solution: (2,5)
Im not sure what inequality means but it is 4°C<22°C
If you would do this in whole number form, it'll be 40/7.
Answer:
a) 0.71
b) 0.9863
Step-by-step explanation:
a. Given the mean prices of a house is $403,000 and the standard deviation is $278,000
-The probability the probability that the selected house is valued at less than $500,000 is obtained by summing the frequencies of prices below $500,000:
Hence, the probability of a house price below $500,000 is 0.71
b. -Let X be the mean price of a randomly selected house.
-Since the sample size 40 is greater than 30, we assume normal distribution.
-The probability can therefore be calculated as follows:
Thus, the probability that the mean value of the 40 houses is less than $500,000 is 0.9863
Hey!
------------------------------------------------
Steps To Solve:
0.61m - 1.51m = 9
~Combine Like Terms
-0.9m = 9
~Divide -0.9 To Both Sides
-0.9m/-0.9 = 9/-0.9
~Simplify
m = -10
------------------------------------------------
Hence, m equals -10!
------------------------------------------------
Hope This Helped! Good Luck!