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Jobisdone [24]
2 years ago
15

What is the sum of first 6 terms​

Mathematics
1 answer:
zvonat [6]2 years ago
7 0

Answer:

182

Step-by-step explanation:

Sum = a(r^n -1) ÷ r - 1

1(-3^6 - 1) ÷ -3 -1

= 182

r = t2 ÷ t1 * since they stated that it is geometric

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Answer:

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Step-by-step explanation:

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3 years ago
Variables y and x have proportional relationship and y=21 when x=14 what is the value of x when y=12
Lilit [14]

The value of x is 8 when y = 12 if variables x and y have proportional relationship.

According to the given question.

Variables y and x have proportional relationship.

⇒ y ∝ x

Let k be the constant of proportionality.

⇒ y = kx

Also, it is given that

y = 21 when x = 14

Substitute the value of y = 21 and x = 14 in y = kx to find the value of k.

21 = k(14)

⇒  k = 21/14

⇒ k = 3/2

Therefore, the value of x when y = 12

y = kx

⇒ 12 = (3/2)x

⇒ 12 × 2 = 3x

⇒ 24 = 3x

⇒ x = 24/3

⇒ x = 8

Hence, the value of x is 8 when y = 12.

Find out more information about proportional relationship here:

brainly.com/question/12917806

#SPJ4

8 0
2 years ago
Read 2 more answers
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Salsk061 [2.6K]
The second one the are both perfect squares 
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3 years ago
Convert the fraction 11/5 into a decimal
Dmitrij [34]

Step-by-step explanation:

The fraction 11/5 into decimal form is 2.2

6 0
4 years ago
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Which of the following could be the equation of a line parallel to the line y = 4 ?
jonny [76]

Answer:

B

Step-by-step explanation:

y = 4 is a horizontal line parallel to the x- axis

A parallel line must also be horizontal with equation

y = c ( c is the value of the y- coordinates the line passes through )

The only equation in this form is

y = 0 ( the equation of the x- axis ) → B

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3 years ago
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