Answer:
The answer would be 12 4/7
Hope this helps!
Answer:
2 + x + y
Step-by-step explanation:
Recall that the discriminant is b² - 4ac
So, substitute, b = 4, a = -1 and c = -2
Δ = 16 - 4(-1)(-2) = 16 - 8 = 8
Ok set the necklace as X and the bracelet as Y
X+Y=192
X=3Y
Plug in 3Y for X in the first equation
4y=192
Y=48$
Plug that into your second equation
X=3(48)
X=144$
Answer:
0.1057
Step-by-step explanation:
We solve using z score formula.
z = (x-μ)/σ, where
x is the raw score = 57mm
μ is the population mean = 52mm
σ is the population standard deviation = 4mm
z = 57 - 52/4
z = 1.25
Probability value from Z-Table:
P(x<57) = 0.89435
P(x>57) = 1 - P(x<57)
1 - 0.89435
= 0.10565
Approximately = 0.1057
The probability that the diameter of a selected bearing is greater than 57 millimeters is 0.1057
