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olga2289 [7]
3 years ago
6

Help.........................................................

Mathematics
1 answer:
Andreas93 [3]3 years ago
8 0

Answer:

C and D have the same slope of 1

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Plz i need help and plz explain
Montano1993 [528]

\frac{ {x}^{2}  - 7x + 12}{ {x}^{2} - x - 12 }  \\  =  \frac{ {x}^{2} - 4x - 3x + 12 }{ {x}^{2} - 4x + 3x - 12 }  \\  =  \frac{x(x - 4) - 3(x - 4)}{x(x - 4) + 3(x - 4)}  \\  =  \frac{(x - 3)(x - 4)}{(x + 3)(x - 4)}  \\  =  \frac{x - 3}{x + 3}

x² - x - 12 ≠ 0

x² - 4x + 3x - 12 ≠ 0

x (x - 4) + 3 (x - 4) ≠ 0

(x + 3)(x - 4) ≠ 0

x ≠ -3 or x ≠ 4

(B)

3 0
3 years ago
The diameter of a bacteria colony that doubles every hour is represented by the graph below. What is the diameter of the bacteri
Nady [450]

Do you notice anything strange about those points ?

(0, 1), 
(1, 2), 
(2, 4),
(3, 8).

The y-coordinate of each point is (2) raised to the  power of the x-coordinate.

First point:       x=0,  y=2⁰ = 1
Second point: x=1,  y=2¹ = 2
Third point:      x=2,  y=2² = 4
Fourth point:    x=3,  y=2³ = 8


The equation of the curve appears to be

                               y = 2 ^ x .

So, after 10 hours,  x=10, and  y = 2¹⁰ = 1,024 .

3 0
3 years ago
Read 2 more answers
jason earns 15 dollars an hour at his job he spends 40 a day create an exprssion to desribe his savings in one day where x is th
geniusboy [140]

Answer:

Let y be the total earns of jason

where x is the number of hours jason works that day

y=15x ×40

y=600x

total earns of jason y = 600x



7 0
3 years ago
The length of a piece of lumber is 6.5 meters. How many centimeters is this?
patriot [66]
650 cm when you convert it that is what i got it is correct
4 0
3 years ago
Read 2 more answers
What is 3 to the power of 8 divided by 3 to the power of 2
Troyanec [42]

Answer:

729

Step-by-step explanation:

hope this helps!

3 0
3 years ago
Read 2 more answers
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