Answer:
5a²+22a+8
Step-by-step explanation:
(5a+2)(a+4)
5a² + 20a + 2a + 8
5a² + 22a + 8
Answer:
Given mathematical expression means that '9 is a member of the set T'.
Step-by-step explanation:
We are given the mathematical expression,
' 9 € T '.
In words, it means '9 belongs to T'.
That is, 'the element 9 belongs to the set T' i.e. '9 is a member of the set T'.
Hence, the given mathematical expression means that '9 is a member of the set T'.
Answer:
Step-by-step explanation:
Hope this helps!
1. Answer;
- Triangle
Explanation;
The cross section formed by a plane that contains a vertical line of symmetry for a tetrahedron is a Triangle.
A tetrahedron also a triangular pyramid, is a polyhedron composed of four triangular faces, six straight edges, and four vertex corners.
2. Answers
- Triangle
Explanation;
The cross section formed by a plane that intersects three faces of a cube is a Triangle. A cross section is the shape we get when cutting straight through an object. The shape of the cross-section of a solid depends upon the orientation of the cutting plane to the solid.
X=8
Explanation:
f(x)=x^2-16x+64+(x-8)^2
You see there is a double x- intercept by the 8. So the parabola is tangent to the x axis. So x=8 f(x)=0
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