Answer: See below

Explanation:

3x - 4y = 13 (1)
2x + y = 5 (2)
——————
3x - 4y = 13
4(2x + y = 5) (2) times 4
——————-
3x - 4y = 13
8x + 4y = 20
——————-
11x = 33
x = 33/11
x = 3

Plug x = 3 in (2):

2(3) + y = 5
6 + y = 5
y = 5-6
y = -1

Thus, x = 3 and y = -1

6 0

3 years ago

Rob is saving up to buy a new MP3 player for every $15 he earns babysitting he saves $6. on Saturday rob earned $90 babysitting

AlekseyPX

To get $90 dollars you multiply $15 • 6. So you would multiply $6 • $6

Answer: $36

8 0

3 years ago

Read 2 more answers

8. An online bank statement reads as follows: Account balance: $986.24 Car payment: $203.34 Gas bill: $96.67 Check deposit: $128

Lunna [17]

Starting balance : 986.24

deductions :
car payment : 203.34
gas bill : 96.67
debit card : 67.12
ATM : 30
total deductions : 203.34 + 96.67 + 67.12 + 30 = 397.13

deposits :
check : 1289.60
cash : 45
total deposits : 1289.60 + 45 = 1334.60

Balance to date : 986.24 + 1334.6 - 397.13 = 1923.71 <==

8 0

3 years ago