Solve.Maha checked the outside temperature at noon one day and found it was 27° C. At 10 PM when he checked, the outside temperature was 17° C. How much, in degrees Fahrenheit, did the temperature drop between noon and 10 PM? Round your answer to the nearest tenth.
A. -9°
B. 18°
C. -14°
D. 5.56°
Answer: B
Mathematics
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A. (a) 4x2 = 25x; (b) 5 only checks in the given equation. B. (a) 4x2 = 20x; (b) 5 does not check in either equation. C. (a) 3x2 = 20x; (b) 5 only checks in the given equation. D. (a) 4x2 = 20x; (b) 5 checks in both equations.
Mathematics
Collect like terms.-8a + 2.2 - 0.2c - 8a + 3 - 8c + 16a
A. -32a - 8.2c + 5.2 B. -6c + 3 C. -8.2c + 5.2 D. -16a + 7.8c + 5.2
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Graph the hyperbola.25x2 - 9y2 = 225
A.
B.
C.
D.
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Solve for x in the given interval.tan x = - ,
? x ? ?
A.
B.
C.
D.
Mathematics