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Artist 52 [7]
3 years ago
5

What expression is equavalent to -72x+60

Mathematics
1 answer:
lozanna [386]3 years ago
8 0
-36x+30

-24x+20

-18x+15

-12x+10


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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
How to do slope intercept form again?!
Anestetic [448]
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8 0
3 years ago
State a reason why a number does not belong with the others. <br> 32 64<br> 81 144
KiRa [710]

Answer : 81 because it is the only one that is not a multiple of 4

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
G(x) = 2x + 9<br> g( )= 15
Eva8 [605]

If g(x)=15, x=...

g(x)=15

2x+9=15

x=3

answer: 3

4 0
3 years ago
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An arborist examined trees in an orchard to see if they were infected with a virus. Out of 90 trees, 40% had the virus. How many
Harman [31]

Answer:

36 trees were infected with the virus.

Step-by-step explanation:

Given:

Total number of trees =  90

Percentage of tree that had virus  40%

To find:

Number of tress that were infected by virus = ?

Solution:

Let the number trees that was affected by the virus be X.

then

X = 40% of 90

X = \frac{40}{100} \times 90

X = 0.4 \times 90

X= 36

6 0
2 years ago
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