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Answer:
16.5
Step-by-step explanation:
4. A graph shows the solutions to be
x = -3/2, -1, 0
The root at -1 has multiplicity 2. That is, the factoring is
x(2x+3)(x +1)² = 0
5. A graph shows the real roots to be
x = -1, 2
Dividing these from the polynomial gives the quadratic
x^2 +3
which has roots
x = ±i√3
The factorization is
(x +1)(x -2)(x² +3) = 0
and the solutions are
x = -1, 2, -(√3)i, (√3)i
Multiply across like and x
Answer:
Yes, right triangle
Step-by-step explanation:
Since it is a right triangle, we can use Pythagorean Theorem.
a^2+b^2=c^2
a and b are the legs, or shorter sides, and c is the hypotenuse, or the longest side.
We have 3 side lengths: 6, 8 and 10
6 and 8 are the shorter legs, so they are a and b.
10 is the longest leg, so it is c
Substitute the values into the equation, and see if it is true.
6^2+8^2=10^2
Evaluate the exponents
36+64=100
100=100
Since this is a true statement, these sides can make a right triangle.