Given AP is 21 ,18,15,...
First term = 21
Common difference = 18-21 = -3
Let an = -81
We know that
an = a+(n-1)d
⇛21+(n-1)(-3) = -81
⇛ 21-3n+3 = -81
⇛24-3n = -81
⇛ 24+81 = 3n
⇛ 105= 3n
⇛ n = 105/3
⇛ n = 35
35th term of the AP is -81.
<u>also</u><u> read</u><u> similar</u><u> questions</u><u>:</u> Which term of a AP 5 , 13 , 21 ,... is 181?
brainly.com/question/2406241?referrer
Which term of the AP:3, 8, 13, 18,...,is 78?
brainly.com/question/15380012?referrer
Answer:
no lo entiendo lo que escribiste
Answer: (0, 3)
Step-by-step explanation:
Step-by-step explanation:
<u>From the figure</u> :
Cos 57° = 19.3 / AB
AB = 19.3 / 0.54
<u>AB = 35.74 cm</u>
Answer:
Width of the rectangular banner is
ft.
Step-by-step explanation:
Area of the rectangular banner =
square feet
=
square feet
Area of rectangle is given by,
Area = Length × Width
Length of the banner =
feet
From the formula,

W = 
= 
= 
=
ft
Therefore, width of the rectangular banner is
ft