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2 years ago

Fin find the 31st term in -3, -5, -7, -9

Mathematics

1 answer:

vaieri [72.5K]2 years ago

6 0

Answer:

-63

Find common difference:

-5 -(-3)

-5 + 3

-2

nth term:

a + (n-1)(d) <u>[where a is first term, d is common difference]</u>

-3 + (n-1)(-2)

-3 -2n + 2

-2n -1

So 31st term:

-2(31) -1

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All of the following proportions are equivalent except

Ira Lisetskai [31]

I think that the answer would be B

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3 years ago

The population of a small town in central Florida has shown a linear decline in the years 2005-2013. In 2005 the population was

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Answer:

Step-by-step explanation:

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3 years ago

A 16-ounce bottle of orange juice says it contains 200 milligrams of vitamin C, which is 250% of the daily recommended allowance

iren2701 [21]

Answer:

100% of the daily recommended allowance of vitamin C for adults is 80 milligrams.

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A 16-ounce bottle of orange juice says it contains 200 milligrams of vitamin C, which is 250% of the daily recommended allowance of vitamin C for adults.

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3 years ago

Which steps transform the graph of

vitfil [10]

Answer:

The correct option is the last one.

Step-by-step explanation:

To transform the graph of $y = x ^ 2$ into $y = -2(x - 2) ^ 2 + 2$ the following steps are fulfilled:

1) Move the graph 2 units to the right:

Let $y = f (x-2)$ then $y =(x-2) ^ 2$ Notice that the cut point has been moved to x = 2.

2) Reflect on the x axis:

To reflect a graph on the x-axis we do $y = -f(x)$ Then $f (x) = -(x-2) ^ 2$

3) Stretch according to factor 2.

For this we do $y = 2f(x)$

Then we have $f(x) = -2 (x-2) ^ 2$

4) Move up the graph in two units:

We do $y = f(x) +2$

Then $y = -2(x-2) ^ 2 +2.$

These steps coincide with those listed in the last option. Therefore the correct option is the last one.

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3 years ago

Simplify(1\2)^4 1\16 1\8 1\4

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Step-by-step explanation:

(1\2)^4 x 1\16 x 1\8 x 1\4 [1/2^4=16]

1/16 x 1/512

=>1/2048

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3 years ago