Answer: 1482
Step-by-step explanation:
Each number in the series is greater than the previous number by 4.
(n/2) * (S + (S + ((n-1) * 4)))
where:
S = 7
n = 26
(26/2)× (7+(7+((26-1) ×4)))
(13)× (7+(7+(25)×4)
13×114
herefore, the solution is 13 * 114 = 1,482
Y = mx + c
is the formula of a linear line
m is the slope/gradient:
So just take it out from the equation, it’s -2/3
D.8
A and C are out because they would get you ether lower or equal to 20, which is equal to AC and your trying to find X in AB which is so posed to be the what equals AC+BC.
AB=AC+BC
5x=20+BC
5(8)=20+BC
40=20+BC
40=20+20
AC equals 20. AB will have to equal AC+ CB. If you put in A.4 in AB 5X you will get twenty and that not what you want. You want to get a number that will get you the an answer greater to AC. So 5(8)=40.
