7. which numerical expression represents
the following calculation?
add 12.60 to the quotient of 1.50 and 2.
a: 12.60 + 1.50 – 2
b: 12.60 + 2 x 1.50
c: 12.60 + 1.50 = 2
d: 12.60 = 2 x 1.50

the answer is: the length is 5/6 yards.

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step-by-step explanation:

a_n = a_1 + (n - 1)d

the first term is 6.

the common difference d = ?

when you find d, replace n with 7 and d with the common difference to find your answer.

step-by-step explanation:

a bicycle manufacturer uses the given expression to model the monthly profit from sales of a new model of bicycle, where x is the selling price of one bicycle, in dollars.