4 years ago

I need help with problem a

Mathematics

1 answer:

Nina [5.8K]4 years ago

8 0

Answer:

a_n = a_(n-1) + 3 where a_1 = 2

a_7 = 20

Step-by-step explanation:

here a_n is denoting the number of hexagons that show up in the diagram.

starting with a_1 = 2

a_2 = a_1 + 3 = 2 + 3 = 5

a_3 = a_2 + 3 = 5 + 3 = 8

a_4 = a_3 + 3 = 8 + 3 = 11

a_5 = a_4 + 3 = 11 + 3 = 14

a_6 = a_5 + 3 = 14 + 3 = 17

a_7 = a_6 + 3 = 17 + 3 = 20

You might be interested in

If a single fair die is rolled, find the probability of the following result.

Vladimir79 [104]

1 time for every six rolls

8 0

4 years ago

Joy earns $90.00 a month babysitting. She saves 15% of the money and is able to spend the rest. How much money does she save a m

alisha [4.7K]

You have 90 and you have 15%

so you have to subtract 90 and 15%

90-15%=76.5

she puts $13.50 in savings and is able to spend $76.5

4 0

3 years ago

A bag contains 5 red marbles, 7 blue marbles and 2 green marbles. If two marbles are

MariettaO [177]

Answer:

0.218

Step-by-step explanation:

3 0

3 years ago

The distance between the two points (4,1) and (9,1) is

Rzqust [24]

Answer:

5 units. Since they have the same y coordinate the x coordinate determines the distance from each other. In the case 9-4=5.

6 0

3 years ago

Please answer right away

castortr0y [4]

For this case we have that by definition of trigonometric relations that, the sine of an angle is equal to the opposite leg to the angle on the hypotenuse. So:

$Sin (36) = \frac {5} {x}$

Clearing x:

$x = \frac {5} {sin (36)}\\x =\frac {5} {0.58778525}\\x = 8.517887564
$

Rounding off we have to:

$x = 8.51$

Answer:

Option D

5 0

3 years ago