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Mashcka [7]
3 years ago
15

Hey store buys a jacket for $20 then sells it to customers for 80% more than what is the selling price of the jacket

Mathematics
1 answer:
GREYUIT [131]3 years ago
6 0

Given:

Cost of a jacket = $20

Then sells it to customers for 80% more than.

To find:

The selling price of the jacket

Solution:

We have,

Cost of a jacket = $20

Selling price = cost + 80% of cost

                     = 20+\dfrac{80}{100}\times 20

                     = 20+\dfrac{8}{1}\times 2

                     = 20+16

                     = 36

Therefore, the selling price of the jacket is $20.

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Can some please help me with Algebra 2 work? Its problems 45-48 all and 53-57 just odd numbers
Elanso [62]

45)

E = mc²     <em> (solve for "m" by dividing both sides by c²)</em>

E/c² = m

46)

c(a + b) - d = f  <em>(to solve for "a"; add "d", divide by "c" and then subtract "b")</em>

c(a + b)     = f + d

(a + b)       = (f + d)/c

a              = (f + d)/c  - b

47)

z = πq³h  <em> (solve for "h" by dividing both sides by πq³)</em>

z/πq³ = h

48)

(x + y)/z - a = b   <em> (solve for "y"; add "a", multiply by "z", and then subtract "x")</em>

(x + y)/z      = b + a

(x + y)         = z(b + a)

     y           = z(b + a) - x

53)

5x - 9 = 11x + 3

     -9 = 6x + 3      <em>subtracted 5x from both sides</em>

    -12 = 6x          <em>subtracted 3 from both sides</em>

      -2 = x           <em>divided both sides by 6</em>

55)

5.4(3k - 12)   +   3.2(2k + 6) = -136

16.2k - 64.8   +  6.4k + 19.2 = -136      <em>distributed 5.4 and 3.2</em>

22.6k - 45.6 = -136             <em>added like terms (16.2k + 6.4k and -64.8 + 19.2</em>

22.6k = -90.4                    <em>added 45.6 to both sides</em>

      k = -4                       <em>divided both sides by 22.6</em>

57)

(4/9)y + 5 = (-7/9)y - 8

4y + 45 = -7y - 72           <em>multiplied by 9 to clear the denominator</em>

11y + 45 = -72                 <em>added 7y to both sides</em>

11y         = -99                  <em>subtracted 45 from both sides</em>

y            = -9                    <em>divided both sides by 11</em>



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Shtirlitz [24]

The expected value of the discrete distribution is of 20.97, hence option C gives the correct answer.

<h3>What is the mean of a discrete distribution?</h3>

The expected value of a discrete distribution is given by the <u>sum of each outcome multiplied by it's respective probability.</u>

Hence, according to the table, the expected value is given by:

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More can be learned about the expected value of a discrete distribution at brainly.com/question/26660401

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