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lapo4ka [179]
3 years ago
5

Music store marks up the instruments it sells by 30%.

Mathematics
1 answer:
finlep [7]3 years ago
7 0

Answer:

$58.50

$80

No

Step-by-step explanation:

A:  30% of $45 means we must multiply 0.30 and 45. $45 x 0.30 = $13.50 is the markup. Next, add $13.50 to $45 for a total of $58.50 to get the total amount the store will charge with the markup.  

B:   X = price the STORE pays for instr.

130% X   = $ 104

X = 104/(130%) = 104/1.3 = $ 80

No, It would have went up by 25% because 100%-25%=75%

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523,055 round to nearest thousand
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Answer:

523,000

Step-by-step explanation:

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Solve |3 - x| = 8 {-11, 11} {-5, 11} {-5, 5}
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The correct answer is {-5,11}

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Complete the equation of the line through (3,-8) and (6,-4).<br> Use exact numbers
MakcuM [25]

Answer: y= 4/3x -8

Step-by-step explanation:

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7 0
3 years ago
What is x+y=10;y=x+10
Alenkasestr [34]

[ Answer ]

\boxed{\bold{X \ = \ 0, \ Y \ = \ 10}}

[ Explanation ]

  • System Of Equations \bold{\left \{ {X \ + \ Y \ = \ 10} \atop {Y \ + \ X \ = \ 10}} \right.}

-----------------------------------

  • [Substitute] Y = X + 10

\bold{\begin{bmatrix}x+x+10=10\end{bmatrix}}

  • Isolate x for x + x + 10 = 10: x = 0

For y = 10

Substitute x = 0

Y = 0 + 10

0 + 10 = 10

y = 10

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X = 0

Y = 10

\boxed{\bold{[] \ Eclipsed \ []}}

3 0
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Suzie made a mistake in the following problem. The mistake was made in Line ___. Only input the number of the first incorrect li
zalisa [80]

Answer:

Mistake in Line 2

Step-by-step explanation:

Line 1  

7(6) ÷ 5 + 42  

Line 2  

7(6) ÷ 5 + 16  

Line 3  

42 ÷ 5 + 16  

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Line 5  

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To simplify any expression we use order of operation

Line 1 is 7(6) ÷ 5 + 42  

Order of operation is PEMDAS

First we start with parenthesis

so we multiply 7(6) in line 2

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