Answer:
Elena's right
Step-by-step explanation:
Well, in the equation: 7.5d = 2.5d. Lin can divides 2.5d from both sides if the d≠0. If d=0, Lin cannot divides 2.5d from both sides.
So, Elena subtracts 2.5d from each side of equation is correct.
Lin method:
7.5d = 2.5d ⇔ = 1
Wrong equation.
Elena method:
7.5d = 2.5d ⇔ 5d = 0 ⇔ d=0
Conclusion: Elena's right
Step-by-step explanation:
first u need to pick a random coordinate to substitute the X . example 0
y = 2(0) + 1
y =1 , X= 0
X= 1
y= 2(1) + 1
y= 3, X= 1
then you continue this same process and again until u have at least two points to draw a straight line. it kinda depended if u want to fill the entire graph.
Answer:
The formula for Area of a Paralleogram is b x h
base is 13in and height is 9in so doing 13in x 9i will give 117
Step-by-step explanation:
Answer:
see explanations
Step-by-step explanation:
The given figure has four equal sides, and all adjacent sides are perpendicular to each other.
Quadrilateral is a any figure with four sides.
Particular quadrilaterals have specific names.
A square is a quadrilateral with equal sides, each perpendicular to the adjacent side, as shown in the figure.
A rectangle is a quadrilateral of which all sides are perpendicular to the adjacents. Therefore opposite sides are equal. Adjacent sides MAY or MAY NOT be equal. Therefore a square is also a rectangle.
A rhombus is a quadrilateral of which all four sides are equal, but adjacent sides MAY or MAY NOT be perpendicular. Therefore a square is also a rhombus.
A trapezoid (or trapezium, depending on which side of the atlantic you live) is a quadrilateral with AT LEAST one pair of parallel sides. The other pair may or may not be equal, may or may not be parallel. Therefore a square is also a trapezoid (trapezium).
A quadrilateral is any plane figure with four sides, which may or may not be parallel, may or may not be equal, and adjacent sides may or may not be perpendicular. Therefore a square is also a quadrilateral.
So the given figure could be given all six possible names indicated in bold. However, the name square is most specific.
Answer:
Step-by-step explanation:
Given
-- Leading coefficient
Required
Determine the polynomial
Represent the zeros with a and b
Such that
The polynomial is:
However, to solve further: We need to symmetrise over 3-i and its conjugate
To define a suitable function, the expression becomes
Open bracket