Solve the first-order linear system x? = x ? y, y? = y ? 4x
What will be an ideal response?
You might also like to view...
Evaluate the expression using a rule for exponents.(-3)0
A. 0 B. -3 C. -1 D. 1
Decide whether the ordered pair is a solution of the given system.(5, -6)4x + y = 262x + 4y = 34
A. No B. Yes
Let 
and compute the Riemann sum of f over the interval 
, using
?
Two subintervals of equal length (
).
?
Five subintervals of equal length (
).
?
Ten subintervals of equal length (
).
?
In each case, choose the representative points to be the right end points of the subintervals.
?
A. 79.52 sq units; 84.48 sq units; 100 sq units;
B. 84.48 sq units; 79.52 sq units; 100 sq units;
C. 100 sq units; 84.48 sq units; 79.52 sq units;
D. 100 sq units; 79.52 sq units; 84.48 sq units;
The IQs of students at an Elementary School were measured and found to be normally distributed with a mean of 100 and a standard deviation of 20. Round your answers to four decimal places, if necessary. ? Find the probability that a student selected at random will have an IQ of 140 or higher. ? __________ ? Find the probability that a student selected at random will have an IQ of 120 or higher. ? __________ ? Find the probability that a student selected at random will have an IQ of between 100 and 120. ? __________ ? Find the probability that a student selected at random will have an IQ of 90 or less. ? __________
What will be an ideal response?