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Georgia [21]
3 years ago
7

Choose the equations that are equivalent. Select all that apply.

Mathematics
1 answer:
Nadusha1986 [10]3 years ago
3 0

Answer:

A. 52 = 8n +4

C. 4 = 52 - 8n

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If 5a=-4b+5 and 3a=-2b+3, what is 6b?
Misha Larkins [42]
There are two equations and two variables. You can solve for each variable using either the elimination method or the substitution method. Here, I believe the elimination method would be best:
5a = -4b + 5
3a = -2b + 3
You can multiply the second equation by two, so the 4b and -4b in both equations will cancel each other out when you add them. So:
5a = -4b +5
6a = 4b +6
Add both equations together.
11a = 11
a = 1
Plug in the a value into any of the previous equations:
5(1) = -4b + 5
-4b = 0
b = 0
So, since we know that b = 0, 6b is also 0.
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A scientist begins an experiment with a culture of 5 bacteria cells. Every hour, the number of bacteria cells triples. Which equ
olga2289 [7]

Answer:

y = 5 * (3^x)

Step-by-step explanation:A scientist begins an experiment with a culture of 5 bacteria cells.

Every hour, the number of bacteria cells triples.

Which equation can be used to represent the number of bacteria cells, y, as it relates to time in hours, x?

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I think it would be y = 5 * (3^x)

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Convert 61.13° to degrees, minutes, and seconds.
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61<span>°, 7' 48''

(Degrees, minutes, and seconds in that order)
Hope this helped

</span>
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Help me with this math question please I'm giving away brainliests​
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Answer:

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Step-by-step explanation:

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