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joja [24]
3 years ago
14

F(x) = x3 – 4x² - 6x – 32 at x = 6

Mathematics
1 answer:
scoundrel [369]3 years ago
3 0

Answer:

X= 140

Step-by-step explanation:

f(x) = x3 – 4x² - 6x – 32 at x = 6

(6)(6)(6) -4²=72

-6(6)-32= -68

72+68=140

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Solve the system of equations using the elimination method. <br><br> 4x+3y=16<br> x=-3y+13
Ipatiy [6.2K]
Step by Step Solution
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System of Linear Equations entered :

[1] -4x - 3y = -7
[2] 16x - 3y = 13
Graphic Representation of the Equations :

-3y - 4x = -7 -3y + 16x = 13



Solve by Substitution :

// Solve equation [2] for the variable x


[2] 16x = 3y + 13

[2] x = 3y/16 + 13/16
// Plug this in for variable x in equation [1]

[1] -4•(3y/16+13/16) - 3y = -7
[1] - 15y/4 = -15/4
[1] - 15y = -15
// Solve equation [1] for the variable y


[1] 15y = 15

[1] y = 1
// By now we know this much :

x = 3y/16+13/16
y = 1
// Use the y value to solve for x

x = (3/16)(1)+13/16 = 1
Solution :
{x,y} = {1,1}
7 0
2 years ago
Read 2 more answers
A textbook store sold a combined total of 274 psychology and biology textbooks in a week. The number of psychology textbooks sol
Shalnov [3]

Answer:176 psychology textbooks and 98 Biology textbooks were sold.

Step-by-step explanation:

Let x represent the number of psychology textbooks that were sold.

Let y represent the number of biology textbooks that were sold.

textbook store sold a combined total of 274 psychology and biology textbooks in a week. This means that

x + y = 274 - - - - - - - - - - -1

The number of psychology textbooks sold was 78 more than the number of biology textbooks sold. This means that

x = y + 78

Substituting x = y + 78 into equation 1, it becomes

y + 78 + y = 274

2y = 274 - 78

2y = 196

y = 98

x = y + 78 = 98 + 78

x = 176

6 0
2 years ago
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Answer:

PART B: E,B and C, A

Step-by-step explanation:

Part B is all I can help you with. (I'm Sorry)

5 0
3 years ago
-6(4y-30) greater than or equal to -102
kow [346]
The answer is y>= 11.75
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2 years ago
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xxTIMURxx [149]

Answer:

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Step-by-step explanation:

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3 years ago
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