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Elena-2011 [213]
4 years ago
9

Allen bought 1,350 shares of stock for $12 per share. If he sold all his shares for $27,000, how much profit on each share did h

e make? a. $6 b. $8 c. $10 d. $12
Mathematics
2 answers:
Paha777 [63]4 years ago
6 0
27000/1350= $20 selling price per share

Profit= $20-$12= $8

Final answer: $8
Tpy6a [65]4 years ago
5 0

Answer:  

$8


Step-by-step explanation:


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Find an equation in standard form of the parabola that passes through (-2, 9), (-4, 5), and (1, 0)
Natasha_Volkova [10]

Answer:

y=-1x^2 -4x +5

Step-by-step explanation:

Given points (-2, 9), (-4, 5), and (1, 0)

General quadratic equation is y=ax^2 +bx+c

plug in each point and frame three equations

(-2,9)

9=a (-2)^2+b(-2) + c

4a-2b+c=9  equation 1

(-4,5)

5 = 16a -4b+c   equation 2

(1,0)

0= a + b + c   equation 3

Use equation 1  and 3

multiply third equation by -1  and then add it with equation 1

4a - 2a + c = 9

-a  -b     -c = 0

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

3a - 3b = 9

divide whole equation by 3

a - b = 3   equation 4

use equation 2  and 3

16a -4b+c  = 5

-a   -b  -c =0

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

15a -5b = 5

divide whole equation by 5

3a -b= 1  equation 5

use equation 4  and 5 . multiply equation 5 by -1

-3a +b =-1

a - b = 3

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

-2a = 2

a= -1

plug it in equation 4  and find out b

a - b = 3

-1 - b = 3

add 1 on both sides

-b = 4  so b= -4

Now plug in the values and find out c

a + b+c = 0

-1 -4 + c= 0

-5 +c =0

c=5

Now plug in the values in the general equation

y=ax^2 +bx+c

y=-1x^2 -4x +5





8 0
4 years ago
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stepan [7]
<h3>Answer:</h3>

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<h3>Step-by-step explanation:</h3>

When parentheses are eliminated and the y variable placed first in each term, the expression simplifies to ...

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Arranging like terms together, we have ...

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... -y³ -6y²x +30

_____

The two different 3rd-degree terms can be expressed in either order. I have chosen to list the term with the largest exponent first. The expression could also be written with the same-degree terms in "lexicographical order", meaning the expression would be written ...

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