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Dmitriy789 [7]
2 years ago
7

Help ill give u 25 pt what is the last digit of these numbers if n is a natural number

Mathematics
2 answers:
AURORKA [14]2 years ago
7 0

Answer:

1) 2   2) 8   3) 2   4) 8   5) 3   6) 9   7) 6   8) 3

Step-by-step explanation:

examples

2⁴ⁿ⁺¹: n=1     2⁹ = 51<u>2</u>

7⁴ⁿ⁺⁷: n=1     7¹¹ = 197732674<u>3</u>

nikitadnepr [17]2 years ago
3 0

Answer:

PLEASE MARK AS BRANILST AND LIKE

Step-by-step explanation:

BYE

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Which graph shows the following system of equations and its solutions? -0.1x-0.3y=1.2 and 0.2x-0.5y=2
Vera_Pavlovna [14]

Answer:

Option b is the correct answer as both the equations are true for given solution.

Step-by-step explanation:

Given equations are:

-0.1x-0.3y=1.2

0.2x-0.5y=2

We can observe each graph and find the point that is the solution and put the point in the equations to know if that point is the solution

<u>For option A:</u>

(0,4)

Putting x=0 and y = 4 in both equations

-0.1(0)-0.3(4)=1.2\\0-1.2 =1.2\\-1.2 \neq 1.2\\0.2(0)-0.5(4)=2\\0-2 = 2\\-2 \neq 2

This is not the correct answer as both equations are not true with this solution

<u>For Option B:</u>

(0,-4)

Putting x = 0 and y = -4 in both equations

-0.1(0)-0.3(-4)=1.2\\0+1.2 = 1.2\\1.2 = 1.2\\0.2x-0.5y=2\\0.2(0)-0.5(-4) = 2\\2 = 2

Both equations are true for (0,-4) hence it is the solution of the system.

<u>For Option C:</u>

(4,0)

-0.1(4)-0.3(0)=1.2\\-0.4-0 = 1.2\\-0.4 \neq 1.2\\0.2x-0.5y=2\\0.2(4)-0.5(0) = 2\\0.8 \neq 2

Not true for both equations

Hence,

Option b is the correct answer.

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Step-by-step explanation:

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Step-by-step explanation:

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