3 years ago

If a1 = 7 and an = An-1 – 3 then find the value of a4.

Mathematics

1 answer:

V125BC [204]3 years ago

8 0

Answer:

-2

Step-by-step explanation:

If a1 = 7 and an = An-1 – 3

a4 = a3 - 3

Get a2;

a2 = a1 - 3

a2 = 7 - 3

a2 = 4

Get a3;

a3 = a2 - 3

a3 = 4 - 3

a3 = 1

GEt the required a4

a4 = a3 - 3

a4 = 1 - 3

a4 = -2

Hence the value of a4 is -2

You might be interested in

Determine the values of a and b in the equation.<br> a =<br> b =

AveGali [126]

Answer:

a = 8 and b = 15

Step-by-step explanation:

I just finished it :D

3 0

3 years ago

A line goes through the points (7,8) and (3, 10). What is the slope of the line?

nekit [7.7K]

Answer:

$slope = m = -\dfrac{1}{2}$

Step-by-step explanation:

$slope = m = \dfrac{y_2 - y_1}{x_2 - x_1}$

$slope = m = \dfrac{10 - 8}{3 - 7}$

$slope = m = \dfrac{2}{-4}$

$slope = m = -\dfrac{1}{2}$

6 0

4 years ago

35 babies were recently born at Gwinnett Medical Center. If 13 of them were girls,

Nastasia [14]

Answer:

= 62.8

Step-by-step explanation:

35 - 13 = 22

Now,

23 are boys

here

22/35 * 100

= 62.8

6 0

4 years ago

Read 2 more answers

Leya [2.2K]

YES! its like a triangle sir

4 0

4 years ago

Read 2 more answers

The Girls’ Club bakes 63 cakes for the summer fair.

andrew-mc [135]

Answer:

Step-by-step explanation:

63 - 18 = 45 ( Minus the number of cakes that are left over)

45 / 3 = 15 (Divide by 3 to find out how many cakes they sold each day)

3 0

3 years ago