Solve the proportion and check. = 

A. 1
B. 0
C. 2
D. 5


Answer: B

Mathematics

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Show that the set has cardinal number ?0 by establishing a one-to-one correspondence between the natural numbers and the given set. Be sure to indicate the general correspondence.{1, 4, 9, 16, 25 ...}

A.

1,2,3,4,  5, ..., n, ...
?? ?
1,4,9,16,  25, ..., n3, ...

B.
1,2,3,4,  5, ..., n, ...
? ? 
1,4,9,16,  25, ..., n4, ...

C.
1,2,3,4,  5, ..., n, ...
?? ?
1,4,9,16,  25, ..., 2n2, ...

D.
1,2,3,4,  5, ..., n, ...
? ? 
1,4,9,16,  25, ..., n2, ...

Mathematics

Using the Rule of 78, find the amount of unearned interest for the loan paid in full before the date of maturity. Round to the nearest cent.Finance charge: $23,119Total number of payments: 35Remaining number of payments, when paid in full: 5

A. $550.45 B. $388.55 C. $366.97 D. $582.83

Mathematics

In a study conducted by a certain country's Economic Development Board, it was found that the Lorentz curve for the distribution of income of stockbrokers was described by the function

?

?
and that of high school teachers by the function
?
?
?
Compute the coefficient of inequality for each Lorentz curve. Round your answers to the nearest hundredth.
?
The coefficient of inequality for stockbrokers is __________.
?
The coefficient of inequality for teachers is __________.
?
Which profession has a more equitable income distribution?

What will be an ideal response?

Mathematics

Translate into an equation. Do not solve the equation.If a number is subtracted from forty-seven the result is twelve.

A. 47 - 12 = x B. 47 - x = 12 C. 47 + x = 12 D. 47 = 12 - x

Mathematics