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Anuta_ua [19.1K]
3 years ago
14

Nina has $5 bills and $10 bills in her wallet. she has a total of 7 bills with a value of $55. how many of each type of bill doe

s she have? show all work to justify your answer.
Mathematics
1 answer:
oee [108]3 years ago
7 0
The answer is 3 fives and 4 tens
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Precalc please help!!!
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Answer:

D

Step-by-step explanation:

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The art club spent $45 on supplies for Valentines to sell during lunches. they made 60 valentines. what's selling price for a va
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Please help will give brainliest if I can :)
Paraphin [41]

Answer:

So you take the 172 miles and you divide it by the 3cm that you have and that gives you 57.3 miles.  And therefore 1cm would be equal to 57.3

Step-by-step explanation:

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Radda [10]

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6 0
2 years ago
What is the justification for each step in the solution of the equation?
Alexandra [31]

For this case we have the following equation:

\frac{2}{3}x-\frac{1}{3}= 2 (x + 2)\\

If we multiply both sides of the equation by 3 we get:

2x-1 = 6 (x + 2) ---> Multiplication Property of Equality

Applying the distributive property we have:

2x-1 = 6x + 12 ---> Distributive Property

Adding 1 on both sides of equality we have:

2x-1 + 1 = 6x + 12 + 1\\

2x = 6x + 13 ---> Addition Property of Equality

Subtracting 6x on both sides we have:

-6x + 2x = 6x-6x + 13\\

-4x = 13 ---> Subtraction Property of Equality

Finally, dividing by -4 on both sides we have:

\frac{-4x}{-4}= \frac{13}{-4}\\

x = -\frac{13}{4}---> Division Property of Equality


5 0
3 years ago
Read 2 more answers
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