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2 years ago

Write a recursive rule for an= Зn — 6.

Mathematics

1 answer:

mart [117]2 years ago

8 0

Answer:

Explicit formula: a(n)=3n-6

Recursive formula: a(n)=-3+(n-1)3 <--

Step-by-step explanation:

a(n)=3n-6 where a(1)=3(1)-6=-3 and d=3

<u>Plug values into recursive formula:</u>

a(n)=a1+(n-1)d

a(n)=-3+(n-1)3

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A bar of gold has a volume of 722 cubic centimeters and weighs 13.949 kilograms. What's its density in grams per cubic centimete

Ahat [919]

Answer:

The density of the bar of gold is 19.32 grams per cubic centimeter .

Step-by-step explanation:

Formula

$Density = \frac{Mass}{Volume}$

As given

A bar of gold has a volume of 722 cubic centimeters and weighs 13.949 kilograms.

As 1 kilogram = 1000 gram

Than convert 13.949 kilograms into grams.

13.949 kilograms = 13.949 × 1000 grams

= 13949 grams

Mass = 13949 grams

Volume = 722 cubic centimeter

As put in the formula

$Density = \frac{13949}{722}$

Density = 19.32 grams per cubic centimeter (Approx)

Therefore the density of the bar of gold is 19.32 grams per cubic centimeter .

8 0

2 years ago

Evaluate 1/6t+1/12 when t=1/2

max2010maxim [7]

Answer:

1/6

Step-by-step explanation:

You're welcome :)

6 0

2 years ago

nicky bought 3 bags of flamin hot cheetos for a certain amount of money and a can soda for $1.50. all together he paid $5.25. Ho

yaroslaw [1]

Answer:

each bag of hot cheetos cost $1.25

6 0

2 years ago

EXTRA POINTS!!! Write a system of three inequalities that has (2, 1) in the solution set.

Alex17521 [72]

Your system could be anything, just remember that input should be half than the output.

So, y ≥ 1/2x
5y ≥ 5/2x
10y ≥ 5x

Hope this helps!

5 0

2 years ago

A triangle has interior angles equal to 51 and 42 degrees.Find the interior angle x

Taya2010 [7]

Answer:

Angle x would be 87 degrees.

Step-by-step explanation:

Angles inside of a triangle add up to 180 degrees. So 51+42=93 and if you subtract 93 from 180, you get 87.

3 0

1 year ago