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xxMikexx [17]
3 years ago
15

What's the answer to the question?

Mathematics
1 answer:
Tom [10]3 years ago
8 0
The king of hearts in cards
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The expression below represents the number of bacteria in a petri dish after t hours. Interpret the meaning of the expression.
konstantin123 [22]

The answer is B) The initial number of bacteria is 57, and the growth rate is 31% per hour.


The expression shown is an <em>exponential expression</em>.  An exponential expression usually takes the form ab^{x}, as this one does.  A represents the <em>initial value</em>, in this case-the initial number of bacteria.  B represents the <em>growth rate</em>.  When it is an increasing growth rate, it will begin with 1, because it will have everything it had before, plus the percent increase, the decimal portion.  In this case, a=57, and b=0.31.


Hope this makes sense!

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3 years ago
*<br> 1. Find the value of the discriminant.<br> 3x2 - 6x + 3 = 0<br> O 29<br> 0 -18<br> OO<br> O 23
charle [14.2K]

0 -18 is the answer to your question

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3 years ago
I'm studying for a test and got stuck on this problem. I took a screenshot !! Please help. I just need part C for number 5, I ge
Studentka2010 [4]
Alright, so for AB and CD to be parallel, CX and DX would have to be equal, as is with AX and BX. In addition, for CD and AB to be parallel, all sides in both triangles are either equal or not all sides in even one triangle are equal. Therefore, CD is not 3. In addition, two sides of a triangle combined must be greater than the third, so that leaves 5, 4, and 2 for CD. If it was 5, that would mean that all sides are equal, so that leaves 4 and 2. However, I don't see anything to prove either one right, sorry:/
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HELP NEEDED ASAP!!<br><br> Would it be 28.07 or 28 when its says type numerical answer only.
Marizza181 [45]
I think it would be 28
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