Answer:
Domain: interval: [0,∞], Words: All real numbers greater than or equal to 0, <u>Inequality: x≥0.</u>
Range: interval: [0,∞], Words: All real numbers greater than or equal to 0, <u>Inequality</u><u>:</u><u> y≥0.</u>
Answer: 20+2x=y
Step-by-step explanation:
Answer:
Option a,d and e are correct.
Step-by-step explanation:
Pyramid is the figure in which every base and apex forms triangle.
Polygon is two dimensional figure with straight lines.
Square is a figure in which all four sides are equal.
Solid is a three dimensional figure.
Polyhedron is a three dimensional figure with straight edges and sharp corners.
Prism is a polyhedron with parallel bases.
The given figure is:
Pyramid
Solid
Polyhedron
Answer:
Yes, -3 is an integer.
Step-by-step explanation:
Because -3 is not a fraction, or decimal, it fits under the "integer" category.
Answer:
73
Step-by-step explanation:
Original number: XY
x = 3y - 2
10y + x = (10x + y) / 2 + 1/2
substitution: 10y + 3y - 2 = 13y - 2 = (10 * (3y - 2) + y) / 2 + 1/2
* 2 both sides and simplify: 26y - 4 = 31y - 19
31y - 26y = -4 + 19
5y = 15
y = 3
x = 7
Original number: 73