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RSB [31]
3 years ago
5

Plss help lots of point plss give the step by step solution to get the answer as well!!!!​

Mathematics
1 answer:
just olya [345]3 years ago
4 0

Answer:(2,0)

Step-by-step explanation:

5x+2y=10

Verification of points

5(2)+2(0)=10

10=10

LHS=RHS

THUS solution is (2,0)

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Find a formula for the general term of the sequence 5 3 , − 6 9 , 7 27 , − 8 81 , 9 243 , assuming that the pattern of the first
Mkey [24]

Answer:

The formula to the sequence

5/3, -6/9, 7/27, -8/81, 9/243, ...

is

(-1)^n. (4 + n). 3^(-n)

For n = 1, 2, 3, ...

Step-by-step explanation:

The sequence is

5/3, - 6/9, 7/27, - 8/81, 9/243, ...

We notice the following

- That the numbers are alternating between - and +

- That the numerator of a number is one greater than the numerator of the preceding number. The first number being 5.

- That the denominator of a number is 3 raised to the power of (2 minus the position of the number)

Using these observations, we can write a formula for the sequence.

(-1)^n for n = 1, 2, 3, ... takes care of the alternation between + and -

(4 + n) for n = 1, 2, 3, ... takes care of the numerators 5, 6, 7, 8, ...

3^(-n) for n = 1, 2, 3, ... takes care of the denominators 3, 9, 27, 81, 243, ...

Combining these, we have the formula to be

(-1)^n. (4 + n). 3^(-n)

For n = 1, 2, 3, ...

4 0
3 years ago
Numbers such as 1,2,3,... are also called the ?<br> numbers.
Leviafan [203]

Answer:

Whole

Step-by-step explanation:

1,2,3 are all whole numbers

3 0
3 years ago
I REALLY NEED HELP PLEASE!!
rjkz [21]

Answer:

4588 [in²].

Step-by-step explanation:

1) the given octagon can be imagined as 8 triangles (see the attachment). In order to calculate the required area of the octagon, it is enough to calculate the area of one triangle then increase it 8 times:

2) area of one triangle is:

37*31/2 [in²].

3) the required area of the octagon is:

31*37*8/2=31*37*4=4588 [in²].

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2 years ago
The Office Store sells printer paper. Last week, the store sold 324 packs of white paper, which was 40% of
andreyandreev [35.5K]

Answer:

9

Step-by-step explanation:

99

8 0
3 years ago
Melissa exercises for 20 minutes every day. She decides to increase her daily exercise time by 5 minutes each week. However, acc
yulyashka [42]
 5 10 15 20 25 30 35 40 45 50 55 60 65 70
6 0
3 years ago
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