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olga nikolaevna [1]
3 years ago
13

Jane has a checkbook balance of $68.00. She then writes two checks, one for $5.00 and one for $62.50. She also deposits $75.00.

She then uses her calculator to determine her new balance. Which of the following is the correct series of keys she should press?
A. [ON/C] [68] [–] [5] [–] [62.50] [+] [75] [=]
B. [68] [+] [75] [–] [5] [–] [62.50] [=]
C. [ON/C] [68] [+] [75] [=] [5] [=] [62.50] [=]
D. [68] [+] [75] [–] [62.50] [–] [5] [=]
Mathematics
2 answers:
weeeeeb [17]3 years ago
8 0
68 - 5 - 62.50 + 75 <===
maxonik [38]3 years ago
6 0
A. is correct because you must always clear your calculator before inputting information then follow the order of which the problem gives you its numbers. 
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Answer:

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Taking square on both sides, we get

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