Arrange the polynomial in descending order.10 - 7x2 + 6x6 + 3x3 + 2x
A. 10 - 7x2 + 6x6 + 3x3 + 2x
B. 6x6 + 2x + 3x3- 7x2 + 10
C. 10 + 2x - 7x2 + 3x3 + 6x6
D. 6x6 + 3x3 - 7x2 + 2x + 10
Answer: D
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Determine the additive inverse of the given number.23
A.
B. 0
C. 23
D. -23
Solve the problem.The temperature at 5 p.m. on January 27 was -5° Fahrenheit. By 8 p.m. the temperature had risen 25 degrees. Find the temperature at 8 p.m.
A. 20°F B. -30°F C. 30°F D. -20°F
Solve the problem.Sandy manages a ceramics shop and uses a kiln to fire ceramic greenware. After turning off her kiln, she must wait until its temperature gauge reaches
before opening it and removing the ceramic pieces. If room temperature is
and the gauge reads
in 14 minutes, how long must she wait before opening the kiln? Assume
the kiln cools according to Newton's Law of Cooling: U = T + (Uo - T)ekt.(Round your answer to the nearest whole minute.) A. 381 minutes B. 175 minutes C. -714 minutes D. -1,004 minutes
Solve the problem. The data in the table was obtained for an electrical circuit with constant resistance. The current flowing through the circuit was measured when various amounts of voltage were applied to the circuit. Let I be the current (in milliamperes) flowing through the circuit when the voltage applied to the circuit is V (in volts). Find an equation of a model to describe the data. Use the point (5, 124.5) to find the constant of variation. In a sentence that uses the phrase "varies directly" or "varies inversely", describe how the voltage and current are related. Use the model you found to estimate the voltage if the current flowing through the circuit is 190 mA.
What will be an ideal response?