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Salsk061 [2.6K]
3 years ago
11

Please hurry!!

Mathematics
1 answer:
artcher [175]3 years ago
3 0
2.5 (6 - 2x) + 11 = 104 - 1.5 (6x + 12)
Distribute both sides
15 - 5x + 11 = 104 - 9x - 18
Combine liked terms
26 - 5x = 86 - 9x
-26 on both sides
-5x = 60 - 9x
+9x on both sides
4x = 60
/4 on both sides
x = 15
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3 years ago
Mary's age is 10 years less than 2 times Joe's age. If the difference between their ages is 30, how old is Mary?
zheka24 [161]

Answer:

its 5

Step-by-step explanation:

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4 0
3 years ago
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What is the percent of decrease from 100 to 49?<br><br> Write your answer using a percent sign (%).
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Answer:

Step-by-step explanation:

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3 years ago
The answer to #2?? I already have the graph but I still need the answer
Sidana [21]
If we have 

y = 6x + 1 and x - y = 11, we can take advantage of  y - y = 0 as follows:
                                         Subtract x from both sides of the 2nd equation:
                                         -y = 11 - x

Now combine 

 y = 6x + 1
-y = 11 - x
--------------
0 = 5x + 12.  Solving for x, x = -12/5.     Using the equation above, find y:
                                                               -y = 11 - x
                                                                   = 11 - (-12/5)
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Then the solution is (-12.5, 67/5).

                      
3 0
4 years ago
Ian borrows $3580 at 31% simple interest per year. When Ian pays the loan back 7 years later, how much interest does Ian pay?
trapecia [35]

Answer:

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Step-by-step explanation:

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3 years ago
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