Use Cramer's rule to solve the system of linear equations.0.3x + 0.3y = 0.3 x - 0.1y = -2.3
A. (3, -2)
B. (-2, 3)
C. (-0.2, 0.3)
D. No Solution
Answer: B
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Identify the type of surface represented by the given equation.
+ 
= 
A. Elliptical cone
B. Hyperbolic paraboloid
C.
| Ellipsoid |
D. Elliptical paraboloid
Reduce the fraction to simplest form.
A. -1
B. 
C. 1
D. 
Provide an appropriate response.Use the figure to make the requested lists. y = m3x + b3
y = m4x + b4(i) List the slopes m1, m2, m3, and m4 in order of decreasing size.(ii) List the y-intercepts b1, b2, b3, and b4 in order of decreasing size.
A. (i) m4, m1, m3, m2; (ii) b3, b1, b2, b4 B. (i) m1, m2, m3, m4; (ii) b4, b3, b1, b2 C. (i) m2, m1, m3, m4; (ii) b3, b2, b1, b4 D. (i) m3, m1, m2, m4; (ii) b4, b2, b1, b3
Answer the question(s) based on the following situation: For a population of 2000 students taking the SAT math exam, the scores on the exam have an approximately normal distribution with mean ? = 590 and standard deviation ? = 70.A score of 700 has an approximate standardized value of
A. 10. B. -1.57. C. 110. D. 1.57. E. none of these