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liubo4ka [24]
3 years ago
12

Which of the following are examples of exponential decay? select all that apply.

Mathematics
1 answer:
Katarina [22]3 years ago
5 0
B, C and D are exponential decay.

Half-lives are given by exponential function, and since they are decreasing, it is decay.
With the teams being eliminated, this is decay.
Bacteria can be represented by exponential functions, and it is decreasing.
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Help me please!!!!!!!!
bazaltina [42]

Answer:

You can find 0.5% of a number by multiplying the number by

Step-by-step explanation:

7 0
3 years ago
Factor completely and then place the factor. in the proper location on the grid (4x-+3)(-2x-5)
Ivahew [28]
Yay, love these ones.

First of all, (4x-+3)(-2x-5) is the same as (4x-3)(-2x-5)
So the method for solving these can be remembered by FOIL.
F= Firsts   O= Outsides   I= Insides   L= Lasts

In other words everything is multiplied by everything, for example:
4x * -2x and -3 * -5 <span>is the firsts of the brackets multiplied and last of the brackets mulitplied
</span>
4x * -5 and 3 * -2x is the outsides of the brackets multiplied and the insides of the brackets multiplied
<span>
The SUM of FOIL is then added:</span><span>
</span><em>4x*-2x = -8x^2</em>
<em>-3*-5= 15</em>
<em>4x*-5=-20x</em>
<span><em>3*-2x=-6x</em>
</span><span>-8x^2 -20x -6x + 15 = 0
-8x^2 -26x + 15 = 0

So the factored of (4x-3)(-2x-5) <u /><em>=</em> -8x^2 -26x + 15 = 0

So then you graph that equation on your given grid


</span>
8 0
3 years ago
A watch gains 18 seconds in a day. how many minutes will the watch gain in 3 weeks?
nordsb [41]
6.3 minutes: 6 minutes and 20 seconds, I believe.
7 0
3 years ago
Read 2 more answers
A numerical data set has 9 values. How many of these values does the data
Paraphin [41]
I think it’s D) 9 because when you find the mean of a set of values you are taking into account and adding all of the numbers, and then dividing them by how many numbers there is, so the mean would be summarizing all of them, hope this helps
5 0
3 years ago
85,146 rounded to the nearest thousand
larisa [96]
85,000 is your answer because The one in 146 is less then five
4 0
3 years ago
Read 2 more answers
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