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Rus_ich [418]
3 years ago
12

Help please! Can you also explain how to find the time when before bacteria begin to double? Thanks

Mathematics
1 answer:
cricket20 [7]3 years ago
8 0
The bacteria would double every 20 minutes, so before then is when the bacteria is still in its singular form before it doubles.
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5. (05.03 LC) What is the simplified form of the quantity of x plus 5, all over the quantity of 3x plus 4 + the quantity of x pl
earnstyle [38]

Answer:

B. \frac{4x^{2}+24x+31}{3x^{2}+13x+12}

Step-by-step explanation:

We have been given a rational expression \frac{(x+5)}{(3x+4)}+\frac{(x+4)}{(x+3)} and we are asked to simplify our rational expression.

We can see that our denominators are not equal. Since the two denominators do not share any common factors, the common denominator is simply the product of these two denominators.      

To keep the value of expression same we will multiply the same quantity with numerators and denominators.

\frac{(x+5)(x+3)}{(3x+4)(x+3)}+\frac{(x+4)(3x+4)}{(x+3)(3x+4)}  

Now let us simplify our expression using FOIL.  

\frac{x^{2}+3x+5x+15}{3x^{2}+9x+4x+12}+\frac{3x^2+4x+12x+16}{3x^{2}+4x+9x+12}

\frac{x^{2}+8x+15}{3x^{2}+13x+12}+\frac{3x^2+16x+16}{3x^{2}+13x+12}    

Now we have same denominators, so we can add our numerators.

\frac{x^{2}+8x+15+3x^2+16x+16}{3x^{2}+13x+12}    

Now let us combine like terms.

\frac{(1+3)x^{2}+(8+16)x+15+16}{3x^{2}+13x+12}  

\frac{4x^{2}+24x+31}{3x^{2}+13x+12}  

Therefore, the simplest form of our given rational expression will be \frac{4x^{2}+24x+31}{3x^{2}+13x+12}  and option B is the correct choice.

8 0
4 years ago
1/3x + 2 =4 I need it ASAP​
mihalych1998 [28]
6! I hope this helps!
6 0
3 years ago
Read 2 more answers
NEED HELP ASAP, WORTH 80PTS
sp2606 [1]

D

This is because the expression can be simplified to get the same result. -1+2log_4((1/4)x)

3 0
3 years ago
Read 2 more answers
Use implicit differentiation to find y^1 for the equation y^2-y-4x=0
Rudik [331]

Answer:

Step-by-step explanation:

y²-y-4x=0

differentiate w.r.t. x

2y*y^1-y^1-4=0

(2y-1)y^1=4

y^1=4/(2y-1)

3 0
3 years ago
Which expression shows the distance you would drive from the gym to the office along this road?
-Dominant- [34]
B because absolute value means the distance of a point on a number line from 0. So the absolute value of -6 is 6 and you add that to 4
3 0
3 years ago
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