Solve the system of equations. If the system is inconsistent or has dependent equations, say so.x +
y -
z = 3 4x + 2y - 2z = 12 -2x - y + z = -6
A. {(x, y, z)|-2x - y + z = -6}; dependent equations
B. {(3, 1, 1)}
C. {(3, 0, 0)}
D. ?; inconsistent system
Answer: A
Mathematics
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Find all numbers for which the rational expression is not defined.
A. a = 7 B. None C. a = 0 D. a = -7
Mathematics
Fill in the table by converting the given temperature into each of the other temperatures. Round to the nearest hundredth if necessary.CelsiusKelvinFahrenheit-10°C???200°K???100°F
A.
Celsius | Kelvin | Fahrenheit |
-10°C | 263.15°K | 14°F |
-73.15°C | 200°K | -99.67°F |
37.78°C | 310.93°K | 100°F |
B.
Celsius | Kelvin | Fahrenheit |
-10°C | 263.15°K | 14°F |
73.15°C | 200°K | -100°F |
37.78°C | 310.93°K | 100°F |
C.
Celsius | Kelvin | Fahrenheit |
-10°C | 263.15°K | 7.78°F |
-73.15°C | 200°K | -99.67°F |
37.78°C | 310.93°K | 100°F |
D.
Celsius | Kelvin | Fahrenheit |
-10°C | 263°K | 14°F |
473.15°C | 200°K | -99.67°F |
37.78°C | 310.93°K | 100°F |
Mathematics
In the figure below, XC = 40 ê and R = 30 ê. Find Z.
\
a. 50.0 ê
b. 41.7 ê
c. 35.0 ê
d. 66.6 ê
e. 70.0 ê
Mathematics
Simplify.
A.
B. 24
C. 1
D.
Mathematics