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Serjik [45]
3 years ago
14

Integer that describes debit of $40

Mathematics
1 answer:
Sladkaya [172]3 years ago
3 0
Alright - we want to start off by seeing if this number would be positive or negative. Debit means that you owe something, or that you have to pay that amount of money. If you had money to buy things with, that would be positive, but since debit means you haven’t paid something off yet, that is negative. Next, since you have 40 dollars in debt, you have -40 dollars.

Feel free to ask further questions!
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Answer:

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Step-by-step explanation:

opposite of negative is positive

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Subtract the following polynomials. Write answer in a-b-c-d order. From 4a+7b-12c subtract 8a-9b+12d
ozzi

(4a+7b-12c)-(8a-9b+12d)\\4a+7b-12c-8a+9b-12d

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2 years ago
Three numbers are in an arithmetic progression with a common difference of 6. if 4 is subtracted from the first number, 1 is sub
UkoKoshka [18]

Answer:

  either of {-9.5, -3.5, 2.5} or {7, 13, 19}

Step-by-step explanation:

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  (x -4), (x +5), 3(x+9)

The common ratio is then ...

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Cross-multiplying gives ...

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  x² +10x +25 = 3x² +15x -108 . . . . eliminate parentheses

  0 = 2x² +5x -133 . . . . . . . . . . . . . . subtract the left side

  0 = (2x +19)(x -7) . . . . . . . . . . . . . . factor

  x = -9.5 . . or . . 7

The possible original three numbers are ...

  {-9.5, -3.5, 2.5} . .  or . . {7, 13, 19}

8 0
3 years ago
1and 2 are supplementary angles. M1 is 4 y + 7 and m2 is 9y+4 what is m 2
slamgirl [31]
M2 is y=19.555 hope this helps 
8 0
3 years ago
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