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COMPUTER SCIENCE
Refer to the following classes. public class Abc { private int a; public static final int b=10; public void c() { System.out.print("ABC"); } } public class Xyz extends Abc { public void c() { super.c(); System.out.print("XYZ"); } public void z () { c(); } } Which statement best characterizes the relationship between the two classes? (A) An Abc is an Xyz. (B) An Xyz is an Abc. (C) An Abc has an Xyz. (D) An Xyz has an Abc. (E) Abc and Xyz are siblings.
ENGINEERING
Find div v and its value at P. v=[0, cos xyz, sin xyz], P:(2, ½π,0]
INTEGRATED MATH
$$ m\angle ABC=m\angle XYZ $$ $$ m\angle ABC-m\angle RST=m\angle XYZ-m\angle RST $$
COMPUTER SCIENCE
Refer to the following classes. public class Abc { private int a; public static final int b=10; public void c() { System.out.print("ABC"); } } public class Xyz extends Abc { public void c() { super.c(); System.out.print("XYZ"); } public void z () { c(); } } What is printed by the following statements? Xyz q=new Xyz(); q.z(); (A) ABC, (B) XYZ, (C) ABCXYZ, (D) XYZABC, (E) Nothing is printed because there is a compile error.
PREALGEBRA
Identify the property demonstrated in each example. m∠ABC = m∠XYZ m∠ABC - m∠RST = m∠XYZ - m∠RST
INTEGRATED MATH
Identify the property demonstrated in each example. m∠ABC=m∠XYZ m∠ABC-m∠RST=m∠XYZ-m∠RST
DISCRETE MATH
Use the Quine-McKluskey method to simplify the sum-of-products expansions. a) $xy\overline{z}+x\overline{yz}+\overline{x}yz+\overline{xyz}$ b) $x\overline{y}z+x\overline{yz}+\overline{x}yz+\overline{xy}z+\overline{xyz}$ c) $xyz+xy\overline{z}+x\overline{y}z+x\overline{yz}+\overline{x}yz+\overline{xy}z+\overline{xyz}$ d) $xy\overline{z}+x\overline{yz}+\overline{xy}z+\overline{xyz}$
US HISTORY
What was the XYZ Affair?
ALGEBRA2
Determine whether the monomials are like terms. Then add the monomials and write the sum in standard form. $xyz^2$ and $xyz^2$
CALCULUS
Suppose v is a nonzero position vector in xyz-space. How many position vectors with length 2 in xyz-space are orthogonal to v?
CALCULUS
Suppose v is a nonzero position vector in xyz-space. How many Position vectors with length 2 in xyz-space are orthogonal to v?
GEOMETRY
In triangle XYZ, XZ = 2 cm, XY = 6 cm, and X = 70 degrees. What is the area of triangle XYZ to the nearest square centimeter?
ECONOMICS
XYZ Corporation operated in oligopolistic competition with only two competitors. For different reasons, the two competitors left the industry, leaving XYZ in a monopolistic situation, XYZ immediately doubled its prices for a nearly essential product. Should the government intervene to regulate prices? Why or why not?
DISCRETE MATH
For which of the Boolean variables $x$, $y$ and $z$ does a) $x+y+z=xyz$? b) $x(y+z)=x+yz$? c) $\overline{xyz}=x+y+z$?
PREALGEBRA
1. pre-image: Triangle XYZ image: Triangle X'Y'Z'
ALGEBRA2
Simplify. (xyz + 3xz - 10z + 1) + (4xyz + 7xy + 3z + y)
CALCULUS
$$ f (x, y, z) = x^2yz + xy^2z + xyz^2 $$
DISCRETE MATH
Find the digits, xy, z where (xyz)9 = (zyx)6.
QUESTION
Calculate $$ f _ { z } ( 2,3,1 ), $$ where f(x, y, z) = xyz.
ALGEBRA2
The president of XYZ Company earns $200,000 a year. Each of the other x employees earns$ 20,000 a year. Write and graph a function that models the average salary of all employees of XYZ.
DISCRETE MATH
Construct circuits from inverters, AND gates, and OR gates to produce these outputs. a) $\overline{x}+y$ b) $\overline{(x+y)}x$ c) $xyz+\overline{xyz}$ d) $\overline{(\overline{x}+z)(y+\overline{z})}$
ALGEBRA
True or False: xyz = yxz. Justify your answer using the properties.
QUESTION
Find the first partial derivatives of the function. w = ze^xyz
QUESTION
Determine which are propositions. Why did you buy XYZ Company stock?
LINEAR ALGEBRA
Let a rectangular x'y'z'-coordinate system be obtained by rotating a rectangular xyz-coordinate system counterclockwise about the z-axis (looking down the z-axis) through the angle θ = π/4. (a) Find the x'y'z'-coordinates of the point whose xyz-coordinates are (-1, 2, 5). (b) Find the xyz-coordinates of the point whose x'y'z'-coordinates are (1, 6, -3).