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Natali5045456 [20]
4 years ago
14

What is the sign of−1.69+(−1.69)

Mathematics
2 answers:
Talja [164]4 years ago
5 0
-1.69+(-1.69)= -3.38
nikklg [1K]4 years ago
3 0

Answer:

Negative is the answer :) hope this helped.

Step-by-step explanation:

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Find the sum of the geometric series 9000-900 +...+ 0.009
bagirrra123 [75]

Based on the calculations, the sum of this geometric series is equal to 9,990.

<h3>The standard form of a geometric series.</h3>

Mathematically, the standard form of a geometric series can be represented by the following expression:

\sum^{n-1}_{k=0}a_1(r)^k

Where:

  • a₁ is the first term of a geometric series.
  • r is the common ratio.

<h3>How to calculate the sum of a geometric series?</h3>

Also, the sum of a geometric series is given by this mathematical expression:

S=\frac{a_1(1-r^n)}{1-r}

<u>Given the following data:</u>

  • First term, a = 9000.
  • Common ratio, r = 900/9000 = 0.1

Substituting the given parameters into the formula, we have;

S=\frac{9000(1-0.1^3)}{1-0.1}\\\\S=\frac{9000(1-0.001)}{1-0.1}

S = 9000(0.999)/0.9

S = 8,991/0.9

S = 9,990.

Read more on geometric series here: brainly.com/question/12630565

#SPJ1

5 0
2 years ago
PLEASE HELP !! ILL GIVE BRAINLIEST *EXTRA POINTS*.. <br> IM GIVING 40 POINTS !! DONT SKIP :((.
Westkost [7]

Answer:

y = -21x

Step-by-step explanation:

If you divide the y by -21 you should end up with x, hope this helps.

3 0
3 years ago
Read 2 more answers
1 . a sequence in which a fixed amount is added on to get the next term arithmetic sequence 2 . an individual quantity or number
Dmitry [639]
T_n = a_1 + d(n-1)

If a = 4 and d = 3,

T_n = 4+ 3(n-1)

T_n = 4+ 3n-3

T_n = 3n + 1

---------------------------------------------------------------------------------------
Answer: The general equation for the nth term is 3n + 1.
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What is the correct answer?
Mademuasel [1]
The answer would be: yellow or 100 sq cm
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Is question 6 and question 7 is it correct
liq [111]
Yes it is correct :)
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3 years ago
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