That is an isosceles triangle since the 2 sides are the same length. If those 2 sides are the same length, by the Isosceles Triangle Theorem, the angles across from those sides are congruent to each other. That means that both those base angles measure whatever x is. According to the Triangle Angle-sum Theorem, the angles of a triangle all add up to equal 180. We have the vertex angle as 38 degrees, meaning that there is 180 - 38 degrees left to split between the 2 base angles. 180 - 38 = 142, and 142 divided in half is 71. x measures 71 degrees.
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Step-by-step explanation:
hello :
−7x>10
multiply by : -1 : 7x < -10
x< -10/7
Answer:
what expressions?there is only the question, but not the expressions
<h3>Explanation:</h3>
Any techniques that you're familiar with can be applied to polynomials of any degree. These might include ...
- use of the rational root theorem
- use of Descartes' rule of signs
- use of any algorithms you're aware of for finding bounds on roots
- graphing
- factoring by grouping
- use of "special forms" (for example, difference of squares, sum and difference of cubes, square of binomials, expansion of n-th powers of binomials)
- guess and check
- making use of turning points
Each root you find can be factored out to reduce the degree of the remaining polynomial factor(s).
Answer:
Step-by-step explanation: