Answer:
option D
Step-by-step explanation:
Given in the question an expression,
Step 1
Divide and multiple by to remove radical sign from denominator.
Step 2
Apply a² - b² = (a+b)(a-b)
Step 3
Step 4
Step 5
If the Density of an object is 5.2 g/cm3, and its volume is 3.7 cm3, what is its mass?
2 answers:
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Answer:
see explanation
Step-by-step explanation:
Calculate AC and AB using the distance formula
d =
with (x₁, y₁ ) = A(1,8) and (x₂, y₂ ) = C(4,2)
AC =
=
=
= =
= 3
Repeat with
(x₁, y₁ ) = A(1, 8) and (x₂, y₂ ) = B(2, 6)
AB =
=
=
=
So AB = and AC = 3
Thus
AC = 3AB