Answer:
The answer is positive
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Answer: E
Step-by-step explanation:
(3x^2 - 8) (3x^2 + 8)
You can get to the original equation by:
3x^2 * 3x^2 = 9x^4
-8 * 8 = - 64
9x^4 - 64
Answer:
E. (3x^2-8)(3x^2+8) is the correct answer.
Step-by-step explanation:
To factor this we use the differenceoftwosquaresformulabecause there are no common terms here.
9x^2-64
The square root of 9x^2= 3x^2
The square root of 64 is 8
(3x^2-8)(3x^2+8)
= 9x^2-64
You get back the answer. So it's correct.
MLB=104°
AC= 20cm
mLC=
AB =
CB -
Answer:
∠C = 37° ,
AB = 26.54 cm ,
BC= 33.27 cm
Step-by-step explanation:
Given that in triangle ABC
∠A = 39° AC = 20 cm
∠B = 104°
∵ sum of all the three angles of triangle = 180°
So, ∠C = 180° - ( ∠A + ∠B)
∠C = 180° - (39° + 104°)
∠C = 37°
Now Tan 37° =
Or, AB =
So, AB = 26.54 cm
Again, Sin 37° =
So, BC =
Or, BC =
∴ BC= 33.27 cm
Hence ∠C = 37° , AB = 26.54 cm , BC= 33.27 cm Answer
What is the shape of the following cross section????
The shape of the triangle is the cross-section part of the given figure. Thus, option A is correct.
The cross-section part of the given figure could be the shape fro the inscribed figure.
Here we can see that the three-dimensional figure inscribed in the square is a cone.
The right circular cone is the cone in which the line joining peak of the cone to the center of the base of the circle is perpendicular to the surface of its base.
But for the plane of the square, the triangle is the cross-section part of the given figure.
Learn more about shape here;
#SPJ2
Answer:
Triangle
Step-by-step explanation:
Look at the shape of the red part