Calculate.43 - 4.28

A. 185.11
B. 38.97
C. 47.53
D. 42.18


Answer: B

Mathematics

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Let  denote the  temperature of an oven t minutes after it is turned on. Use functional notation to indicate the temperature of the oven one hour and 48 minutes after it is turned on.

What will be an ideal response?

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Solve the problem.The bar graph below gives the number of births in a certain state for the months October to April, where  corresponds to October and t = 7 corresponds to April. If the number of births in thousands in this state is the function B(t), where t is in months, find B(4) and explain its meaning. 

A. 1.872; In January, there were 1872 births in this state. B. 1.956; In February, there were 1956 births in this state. C. 1.872; In January, there were 1.872 births in this state. D. 1.887; In December, there were 1887 births in this state.

Mathematics

Find the least common multiple (LCM) of the given expressions.60, 80, 70

A. 560 B. 840 C. 240 D. 1680

Mathematics

Decide whether the relation is a function.{(-7, -4), (-7, 4), (-1, -9), (5, -3), (7, -5)}

A. not a function B. function

Mathematics