Answer:
Step-by-step explanation:
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Answer:
(1/3)^2 m^2
Step-by-step explanation:
Because Area of square = A = x*x
here x = 1/3 m.
so A = (1/3 m)*(1/3 m) = (1/3)^2 * m^2
The quadratic equation you provided has
so the discriminant b²-4ac is ...
... b² - 4ac = (-3)² -4(-2)(8) = 9 + 64 = 73
The discriminant is positive, so there are two real solutions to the given equation.
Answer:
width = 9 cm
Step-by-step explanation:
the area of a 12cm square is 144
16w = 144
x = 9
Answer:
option B
Step-by-step explanation:
Given,
mean result (μ) = 65
standard deviation (σ)= 15
probability that student will score between 50 and 80
=
=
=
= P(Z < 1) - P(Z < -1)
Using z table,
= 0.8413 - 0.1587
= 0.6826
the correct answer is option B