Use multiplication to check the answer. If an answer is incorrect, find the correct answer.
A. Incorrect; should be 51 R314
B. Incorrect; should be 50 R315
C. Correct
D. Incorrect; should be 50 R316
Answer: C
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Translate using numbers and symbols.a number increased by five
A. 5n B. n × 5 C. n + 5 D. n - 5
Solve the problem.A certain radioactive isotope has a half-life of 396 years. Determine the annual decay rate, k.
A. 0.265% B. 0.195% C. 0.135% D. 0.175%
Write the equation in standard form. Then identify the vertex of the parabola.y = 2x2 + 9x + 10
A. y = 2 -
;
B. y = 22 + 10;
C. y = 22 -
;
D. y = 22 -
;
Solve the problem.The population density of a city is given by where x and y are in miles, and p is the number of people per square mile, in hundreds. The city limits are as shown in the graph below. Determine the city's population.
A. 53,100 people B. 26,850 people C. 27,450 people D. 29,250 people