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Dahasolnce [82]
3 years ago
12

Carmen drove

Mathematics
2 answers:
Aleonysh [2.5K]3 years ago
7 0
522 divide 9= 58           58=1hour   58 x 4=232 add 232 to 522 =754
allochka39001 [22]3 years ago
5 0
She would drive 754 miles in 13hours.
This should help:
522miles in 9hours =  522 divided by 9 = 58mph so then you have to do 58 (which equals 1 hour) x 13, which will be 754
First time i did this i was a little confused too. Don't worry, you'll get the hang of it. ;)

Hope this helps:)
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A belt and a wallet cost $42 while 7 belts and 4 wallets cost $213. Calculate the cost of each item.
Fittoniya [83]
Let, the cost of a belt = x
cost of a wallet = y

Then, system of equations would be:
x + y = 42
7x + 4y = 213

Multiply 1st equation by 4, 
4x + 4y = 168
Substitute it from 2nd equation, 
3x = 45
x = 15

Now, substitute it in 1st equation, 
15 + y = 42
y = 42 - 15 = 27

In short, Belt costs $15 and wallet costs $27

Hope this helps!
3 0
3 years ago
Read 2 more answers
Is 1/4 equivalent to 2/7?
Mazyrski [523]
No they are not equivalent

6 0
3 years ago
Read 2 more answers
Please help this hurts
Svetllana [295]

Answer:

6x - 11y = -13 is the answer.

Step-by-step explanation:

Let's plug in the points to see what sticks.

Start with (-4, -1)

1) 11x - 6y = 11(-4) - 6(-1) = -44 + 6 = -38 \neq 13

2) 6x - 11y = 6(-4) - 11(-1) = -24 + 11 = -13

3) 6x - 7y = 6(-4) - 7(-1) = -24 + 7 = -17 \neq 17

4) 6x - 11y = 6(-4) - 11(-1) = -24 + 11 = -13 \neq 13

The only one that fits is #2.  Let's try the other point to be sure.

2) 6x - 11y = 6(1.5) - 11(2) = 9 - 22 = -13

3 0
3 years ago
Type the correct answer in the box. Lily owed Megan $129.42. So far, she has paid Megan $32.56. The remaining amount Lily has ye
mario62 [17]

Answer:

$96.86

Step-by-step explanation:

129.42-32.56 = 96.86

Lily still has to pay $ 96.86

7 0
3 years ago
Select expressions that are equivalent to 5x - 15 - 20x + 10
nordsb [41]

Answer:

-15x - 5

Step-by-step explanation:

5x - 15 - 20x + 10

5x - 20x - 15 + 10

-15x - 5

8 0
3 years ago
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