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3 years ago

6

What is an example of building blocks with fixed ratios

1 answer:

DENIUS [597]3 years ago

4 0

Answer:

1.8 7

Step-by-step explanation:

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An item is regular priced is at $60. It is on sale for 55% off the regular price. What is the sale price?

dalvyx [7]

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miv72 [106K]

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Find the seventh term of the geometric sequence 1, 2, 4, ... and the sum of the first seven terms. t7= S7=

IrinaK [193]

Answer:

Seventh term is 64

Sum of the first seven terms is 127

Step-by-step explanation:

The common ratio is 2

$a_{n} = a_{1} r^{n - 1}$

n = 7 and the first term is 1. So,

$a_{7} = 1(2^{7 - 1} ) = 2^{6} = 64$

Seventh term is 64

$S_{n} = \frac{a_{1} (r^{n} -1)}{r - 1}$

$S_{7} = \frac{1(2^{7} -1)}{2 - 1}$

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Sum of the first seven terms is 127

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5 and 4 sevenths times negative 2 and 2 fifths

Dimas [21]

Answer:

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Step-by-step explanation:

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