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patriot [66]
3 years ago
7

The bacteria in a 11​-liter container double every 3 minutes. After 57 minutes the container is full. How long did it take to fi

ll a quarter of the​ container? Round the answer to the nearest tenth of a minute.
Mathematics
1 answer:
yuradex [85]3 years ago
7 0

Answer:

51

Hope this help!

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If s(x) = x – 7 and t(x) = 4x2 – x + 3, which expression is equivalent to (t*s)(x) ?
Inessa05 [86]
Hello,

(t*s)(x)=t(x)*s(x)=(4x²-x+3)*(x-7)

Answer D
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A pan has an original price of $32 but is marked down by 15 percent. Which equation shows the new price of the price
sergejj [24]
We suggest, that the number 32 is 100% - because it is the output value of the task. 
<span>We suggest, that x is the value that we are looking for. </span>
<span>3. If 32 is 100%, so we can jot it down as 32=100%. </span>
<span>4. We know for sure, that x is 15% of the output value, so we can jot it down as x=15%. </span>
5. Now, these are the equations are we have.
1) 32=100%
2) x=15%
where the left sides of both of them have the same units, and both right sides have the same units, so we can do something like that:
32/x=100%/15%
6. Now we just have to work out the equation, and we'll get the answer that we want.

7. Answer for what is 15% of 32

32/x=100/15
<span>(32/x)*x=(100/15)*x       - </span>multiply both sides of the equation by x
<span>32=6.66666666667*x       - </span>divide both sides of the equation by (6.66666666667) to get x
<span>32/6.66666666667=x </span>
<span>4.8=x </span>
x=4.8

<span>15% of 32=4.8
So, the answer is $4.8
Hope this helped</span>
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