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Alona [7]
3 years ago
7

David has a checking account. His opening balance on 3/1 was $120. The bank charges a 30¢ fee for each debit card transaction an

d a 20¢ fee for each check. David made the following transactions:
Used debit card for $20 movie tickets on 3/5
Deposited $38 paycheck on 3/12
Transferred $25 to savings account on 3/16
Withdrew $20 cash from ATM on 3/20



What is David’s balance after the transaction on 3/20?
Mathematics
2 answers:
sukhopar [10]3 years ago
7 0
0! David's balance is $0 after the transaction.
Luden [163]3 years ago
6 0
David has zero balance in his account.
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Substitute for x+2y=12 and x=y-12<br><br> PLEASE HELP !
yan [13]

Answer:

x = -4, y = 8

Step-by-step explanation:

y - 12 + 2y = 12

=> 3y = 24

=> y = 8

x = 8 - 12

=> x = -4

7 0
2 years ago
Read 2 more answers
What is the answer to this please help!
Butoxors [25]

z+(-0.72)=-2.5\\\\\text{Step 1}:\ x+(-0.72)+(-0.72)=-2.5+(-0.72)\qquad\text{ERROR}\\\\CORRECT\ IS:\ x+(-0.72)-(-0.72)=-2.5-(-0.72)\\\\\text{Step 2}:\ x=-2.5+0.72\\\\\text{Step 3}:\ x=-1.78


Subtract, not add, -0.72 from both sides.

6 0
2 years ago
What is/are the classification of functions that has its inverse?
UNO [17]

Answer:

Invertible functions

Step-by-step explanation:

An inverse of a function is one that reverses the operation of the function such that the result of the function on a variable, is reversed back to the initial variable

Therefore, when we have the the result of the function, f on x as y given as follows;

f(x) = y

The inverse of the function, g on the result, y gives the initial variable, x as follows;

g(y) = x

Example of invertible functions includes;

f(x) = x²

An example of a non-invertible function includes;

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4 0
3 years ago
What the answer of 4 / 1 1/8
ICE Princess25 [194]
If you mean 4 / (11/8)

= 4 * 8/11
= 32/11

= 2 10/11
= 2.909
4 0
3 years ago
Umm ... Plss Helpp....
svet-max [94.6K]

Answer:

Convert into kinetic energy

Step-by-step explanation:

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3 years ago
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