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White raven [17]
3 years ago
6

Sweet Swannies Store had a sale offering 15% off all its merchandise.

Mathematics
1 answer:
victus00 [196]3 years ago
5 0

Answer:

85+22+32=139

139×15%=20.85

$20.85

or

22×15=3.30

32×15=4.80

85×15=12.75

12.75+4.80+3.30=$20.85

$20.85

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Step-by-step explanation:

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3 years ago
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The Nuthouse offers a mixture of soy nuts and almonds, Almonds
elena55 [62]

Answer:

  14 pounds

Step-by-step explanation:

The given equations can be solved for y by substituting for x. The first equation is convenient for writing x in terms of y.

<h3>Solution</h3>

  x = 20 -y . . . . . . . subtract y from the first equation

  7(20 -y) +5.5y = 119 . . . . . substitute for x in the second equation

  140 -1.5y = 119 . . . . . . . . simplify

  21 = 1.5y . . . . . . . . . . . add 1.5y -119 to both sides

  14 = y . . . . . . . . . . . .divide by 1.5

14 pounds of soy nuts should be used in the mixture.

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<em>Additional comment</em>

There are many ways to solve a system of two linear equations. The attachments shows a matrix solution using a suitable calculator. It tells us that x=6 and y=14, as we found above.

6 0
2 years ago
Simplify the following expressions using Order of Operations.<br><br> 4+ 8 = 2 + 6 x 2
Hunter-Best [27]

Answer:

12 ≠ 14

Step-by-step explanation:

(4+8)=2+(6x2)

12 = 2 + 12

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So the equation is false.

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Can somebody explain to me how to solve multiple linear equations???
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The mean commuting time for resident of a certain metropolitan are is 38 minutes, with a standard deviation of 10 minutes. Assum
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the answer is 81.9% hope this question will be helpful

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