Determine if the following polygons are similar.?
6'' 2.4'' 3''
7'' 7" 1.2''
2.8'' 6'' 2.4'' ?
A. ?No, there is no constant of proportionality.
B. No, ?6/2.4 = 2.5, but 3/1.2 = 2.8
C. ?Yes, the constant of proportionality is 2.5.
D. ?Yes, the constant of proportionality is 2.4.
E. ?Yes, the constant of proportionality is 2.8.
Answer: C
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Solve the problem.In the formula N = Iekt, N is the number of items in terms of an initial population I at a given time t and k is a growth constant equal to the percent of growth per unit time. There are currently 54 million cars in a certain country, increasing by 3.3% annually. How many years will it take for this country to have 82 million cars? Round to the nearest year.
A. 13 yr B. 8 yr C. 101 yr D. 4 yr
Use the square root method to solve the equation. -3k2 - 19 = -94
A. -47 B. ±10 C. 5 D. ±5
Provide an appropriate response.When locating the mode, you must arrange the values in descending or ascending order.
A. True B. False
Sketch the graph of f.f(x) = -3x + 2
A. 
B. 
C. 
D. 