3 years ago

What is the image of point (-7, 7) for mapping (x, y), (x- 1, x+ 6)

Mathematics

1 answer:

Natasha2012 [34]3 years ago

4 0

That would be (-7-1, 7 + 6) = (-8, 13)

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Step-by-step explanation:

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3 years ago

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4 years ago

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3 years ago

What is the sum of the geometric sequence -4, 24, -144, if there are 6 terms

Ksenya-84 [330]

Answer:

The sum is $26,660$

Step-by-step explanation:

we know that

The formula of the sum in a geometric sequence is equal to

$S=a1[\frac{1-r^{n}}{1-r}]$

where

a1 is the first term

r is the common ratio

n is the number of terms

we have

a1=-4, a2=24, a3=-144

Find the value of r (common ratio)

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substitute in the formula

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3 years ago