Answer:
The first step in simplifying this expression is to evaluate the terms within the parenthesis - starting with the multiplication and following the rules for operations in math.
Answer:
675/12
Step-by-step explanation:
Answer:
y = -3
Step-by-step explanation:
x = ⅛ (y + 3)² − 1
This is a horizontal parabola, so the axis of symmetry is a horizontal line, y = k.
The vertex of the parabola is (-1, -3). The axis of symmetry passes through the vertex. Therefore, the equation is y = -3.
Graph: desmos.com/calculator/seu44kskhw
Answer:
The side lengths cannot belong to a right triangle.
Step-by-step explanation:
This is a simple case of Pythagorean proof. If this triangle was a right triangle, 20^2 + 21^2 = 28^2. However, this is not the case. 20^2 + 21^2 = 841, which square root is 29.
If you forgot, the Pythagoren Theorem is: a^2 + b^2 = c^2.
Hope this helps!