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Marina86 [1]
3 years ago
15

Ill give you easy points. 2x+3=12

Mathematics
2 answers:
Sliva [168]3 years ago
8 0
X=9/2

Thank youu , 12-3 equals 9, then divide 2 and the answer is 9/2
melisa1 [442]3 years ago
3 0

Hey there!

\huge{ \fbox{ \sf{x=9/2 }}}

2x+3=12

To solve, we will need to subtract 4 from both sides.

2x+3-3=12-3=2x=9\\2x=9

Now in our second and final step, we will have to divide both sides by 2.

\frac{2x}{2}=\frac{9}{2}  \\\frac{9}{2}\text{(ANSWER)}

Hope this helps!

\text{Please rate this answer and thank!}\\\text{-TestedHyperr}

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$800 at 7% compounded annually for 2 years
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Answer:

$115.92

Step-by-step explanation:

To calculate compound interest, which Amount - Principal but we dont know the value for amount so we find the amount first by using the formula.

               A =  P ( 1 +   <u>R</u> ) ^n

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where p = principal    ($800)            

a =  amount       (?)

r =  interest rate    (7%)

n = time ( no of years)    (2)

A  =  800   ( 1   +   <u>7 </u>) ^2

                          100                  A = 800 ( 1 + 0.07) ^2

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A = 915.92.

We then find compound interest with:    

C = Amount - Principal   =   $915.92  -  $800    =    $115.92

7 0
2 years ago
Sabeena had 15 3/4m long ribbon. She cut into two pieces such that the length of one pieces is 9 1/2m. Find the length of other
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X= 63/4-19/2

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