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masha68 [24]
2 years ago
14

Can someone solve this 3.5x - 4.5 for x= 3​

Mathematics
1 answer:
Soloha48 [4]2 years ago
6 0

Answer:

6

Step-by-step explanation:

3.5x - 4.5

3.5 (3) - 4.5

10.5 - 4.5

6

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The jar only contains nickels and dimes altogether there are 10 coins total of the value is 90 cents how many nickels and how ma
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Write a system of equations and solve.

x + y = 10
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Multiply and combine equations

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5x + 10y = 90
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5y = 40
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There are 2 nickels and 8 dimes in the jar. Hope this helps! :)
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2 years ago
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Elza [17]

Answer:

-15?

Step-by-step explanation:

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Lunna [17]

Answer:

30 that singular tickets for each friend and if your asking for total it would be 120. :)

Step-by-step explanation:

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5 0
3 years ago
Help me I need help ASAP will <br> Give BRAINLIEST
makvit [3.9K]

Answer:

real numbers: all

rational: all but pi

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Step-by-step explanation:

5 0
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