3 years ago

Which sets of numbers are closed under addition?

1 answer:

4 0

All close under addition therefore all are right

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egoroff_w [7]

The first term is 2 and the common ratio = -8/2 = -4

S7 = 2 * (-4)^7 - 1
------------- = 6554 answer
-4-1

6 0

2 years ago

mario62 [17]

So the first four terms of the sequence are 2, 6, 10, 14

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3 years ago

kenny6666 [7]

Answer:

1/5 miles

Step-by-step explanation:

2/5 divided by 2 = 1/5

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2 years ago

Ivenika [448]

Answer:

$ 32.95

Step-by-step explanation:

Cost of Stock at 2010= $ 50

Declining rate each year= 8%

We have to find cost of stock at 2015

Cost of stock after 5 years= $ 50 $(1-\frac{8}{100} )^{5}$

Value of stock after 5 years= $ 50 $(\frac{100-8}{100} )^{5}$

Value of stock after 5 years= $ 50 $(\frac{92}{100} )^{5}$

Value of stock after 5 years= $ 32.95

Hence, the correct answer is $ 32.95

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3 years ago

Salsk061 [2.6K]

23.18...........................

3 0

2 years ago