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Mice21 [21]
3 years ago
13

What is 28a^11b^7 divided by 4a^3b?

Mathematics
1 answer:
Digiron [165]3 years ago
3 0
28 / 7 = 4 ;
a^11 / a^3 = a^(11 - 3 ) =a^8 ;
b^7 / b^1 = b^(7 - 1 ) = b^6 ;
<span>The answer is 4a^8b^6</span>
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5+3.2n-4.8n=simplify the expression
dmitriy555 [2]

Answer:

5-1.6n

Step-by-step explanation:

5+3.2n-4.8n=5-1.6n

8 0
3 years ago
Lin counts 5 bacteria under a microscope. She counts them again each day for four days, and finds that the number of bacteria do
Liula [17]

Answer:

The population of bacteria can be expressed as a function of number of days.

Population = \[5*2^{n-1}\] where n is the number of days since the beginning.

Step-by-step explanation:

Number of bacteria on the first day=\[5 * 2^{0} = 5\]

Number of bacteria on the second day = \[5 * 2^{1} = 10\]

Number of bacteria on the third day = \[5*2^{2} = 20\]

Number of bacteria on the fourth day = \[5*2^{3} = 40\]

As we can see , the number of bacteria on any given day is a function of the number of days n.

This expression can be expressed generally as \[5*2^{n-1}\] where n is the number of days since the beginning.

6 0
3 years ago
2x + 3y- z = 13<br> 3x - 4y+z = -2<br> x + 2y + 2z= 21
Oksana_A [137]
What’s the question ?
8 0
3 years ago
Read 2 more answers
A. Yes, because it has two straight lines. (0) O B. Yes, because it passes the vertical line test. O C. No, because it is not a
alexandr402 [8]

Answer:

No because it fails the vertical line test. Anytime a choice contains the phrase vertical line test, you give that phrase first consideration. In this case all x values have two y values, and that is the definition of failing the vertical line test.  

The answer is D.

8 0
3 years ago
What can you conclude ?? Need answer soon
jenyasd209 [6]
It is B 
You can conclude that M and L are parallel. 
                                                           I hope this helped
4 0
3 years ago
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