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lys-0071 [83]
3 years ago
3

Geometry help please :( 100% correct only

Mathematics
1 answer:
alisha [4.7K]3 years ago
8 0
The figures are similar, so the corresponding sides form a ratio of 3/2
AB corresponds to EF (AB is the first two letters of ABCD; EF is the first two letters of EFGH)

Set up the following equation and isolate EF through cross multiplying
AB/EF = 3/2
18/EF = 3/2
18*2 = EF*3
36 = 3*EF
3*EF = 36
3*EF/3 = 36/3
EF = 12

Answer: Segment EF is 12 units long
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Answer:

432. Zola will have 432 4-inch pieces of rope.

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1 year ago
8. Mitchell bought 600 shares of Centerco two years ago $34.50 per share. He sold them yesterday for $38.64 per share.
g100num [7]

Answer:

a. percentage increase in price per share = 12%

b. The total purchase price for the 600 shares is $20,700

c.  The profit for the 600 shares is $2,484

d.  The profit for the 600 shares is $2,484

Step-by-step explanation:

a. Initial price per share    =  $34.50

Current price per share = $38.64

Change or increase in price =  $38.64 - $34.50 = $4.14

percentage increase in price per share = 12/34.50 x 100% = 12%

b. Total number of shares     =  600

    Price                                   =   $34.50

   The total purchase price for the 600 shares = ($34.5x600) = $20,700

c.  Total cost of 600 shares   =  ($34.5x600) = $20,700

     Total revenue from sales =  ($38.64x600) = $23,184

     Profit from the 600 shares = Total selling price - total cost price

                                                  = $23,184 - $20,700 = $2,484

d.  Total cost of 600 shares   =  ($34.5x600) = $20,700

     Total revenue from sales =  ($38.64x600) = $23,184

     Profit from the 600 shares = Total selling price - total cost price

                                                  = $23,184 - $20,700 = $2,484

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A

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We can see that the slope is positive, which means that the x-term must be positive.

If you expand and simply both equations into the form y = mx + b, you will find that m is positive for A and negative for B, hence A is the correct answer.

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zysi [14]

Answer:

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Step-by-step explanation:

let d(x) = y and rearrange making x the subject, that is

2x - 4 = y ( add 4 to both sides )

2x = y + 4 ( divide both sides by 2 )

x = \frac{y+4}{2}

Change y back into terms of x, so

d^{-1}(x ) = \frac{x+4}{2}

7 0
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How does solving the equation arithmetically compare to solving an equation algebraically
IRISSAK [1]
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