A die is rolled five times and the number of fours that come up is tallied. Find the probability of getting the given result.Exactly two fours
A. 0.216
B. 0.116
C. 0.002
D. 0.161
Answer: D
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Write the converse, inverse, or contrapositive off the proposition, as indicated.If the alarm beeps every thirty seconds, then you have to replace the battery. (converse)
A. If you do not have to replace the battery, then the alarm does not beep every thirty seconds. B. If you have to replace the battery, then the alarm does not beep every thirty seconds. C. If you have to replace the battery, then the alarm beeps every thirty seconds. D. If the alarm does not beep every thirty seconds, then you do not have to replace the battery.
Determine the place value of the digit 3 in the whole number.30,500,421
A. ten-thousands B. millions C. ten-millions D. tens
Provide an appropriate response. Graph cos x, 2 cos x, and 0.5 cos x on the same graph. Compare the graphs. How are they alike and how are they different? Use a graphing calculator.
What will be an ideal response?
Simplify the algebraic expression.5y + 2y
A. 7y B. 3y C. 7 + y D. 10y