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Kay [80]
2 years ago
11

Fabiana is going to construct a rectangular metal box with a volume of 150 in.. Her box will have a length of 2 inches, a width

of 3 inches less than its length, and a height that is 1 inch more than its
length
Which cubic equation would help Fabiana find the length of the box?
O-22
3r - 1500
OZ- 2r? - 3x = 0
O 23 - 22 - 3.7 + 150 = 0
Or+? - 123=0
Mathematics
1 answer:
Alla [95]2 years ago
8 0
22-1/2 this is because it is the equation
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-3x^2+12x-8 in vertex form using the completing the square method! ASAP PLEASE WILL MARK U WHATEVER YOU WANT! WORK NEEDED
atroni [7]

Answer:

 -3x2 + 12x - 8

Step-by-step explanation:

Equation at the end of step 1

 ((0 -  3x2) +  12x) -  8

STEP

2

:

STEP

3

:

Pulling out like terms

3.1     Pull out like factors :

  -3x2 + 12x - 8  =   -1 • (3x2 - 12x + 8)  

Trying to factor by splitting the middle term

3.2     Factoring  3x2 - 12x + 8  

The first term is,  3x2  its coefficient is  3 .

The middle term is,  -12x  its coefficient is  -12 .

The last term, "the constant", is  +8  

Step-1 : Multiply the coefficient of the first term by the constant   3 • 8 = 24  

Step-2 : Find two factors of  24  whose sum equals the coefficient of the middle term, which is   -12 .

     -24    +    -1    =    -25  

     -12    +    -2    =    -14  

     -8    +    -3    =    -11  

     -6    +    -4    =    -10  

     -4    +    -6    =    -10  

     -3    +    -8    =    -11  

     -2    +    -12    =    -14  

     -1    +    -24    =    -25  

     1    +    24    =    25  

     2    +    12    =    14  

     3    +    8    =    11  

     4    +    6    =    10  

     6    +    4    =    10  

     8    +    3    =    11  

     12    +    2    =    14  

     24    +    1    =    25  

4 0
3 years ago
Read 2 more answers
Solve the inequality, -4 less than 4(6y-12)-2y
erastova [34]

-4 < 4(6y - 12) - 2y

<em><u>Distributive property.</u></em>

-4 < 24y - 48 - 2y

<em><u>Combine like terms.</u></em>

-4 < 22y - 48

<em><u>Add 48 to both sides.</u></em>

44 < 22y

<em><u>Divide both sides by 22.</u></em>

2 < y

The value of y is greater than the value of 2.

5 0
2 years ago
What is three minus one
Kipish [7]

Answer:

2

Step-by-step explanation:

3 - 1 = 2

4 0
2 years ago
Simplify your answer 2/8 plus 2/3
Ronch [10]
11/12

simplificado
de nada
7 0
3 years ago
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Use graphing technology to find the range of the function f(x)=2^x<br> .
Zinaida [17]

Look at the graph, which y values can the graph hit?

Anything above zero would be the right answer, since there is an asymptote at y=0.

So the range would be y>0

Hope this helps.

頑張って!

5 0
3 years ago
Read 2 more answers
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