Answer:
option 3
Step-by-step explanation:
BODMAS : the expression contains addition and division. So we will do division first and then addition.
Evaporation I’m pretty sure
Answer:
Step-by-step explanation:
hello : note 297 no 279
297 =3×99
99 = 3 ×33
33=3×11
this the geometric sequence. ( comon : 3)
the nth term is : An = A1 × r^n when : r = 3 and A1 =11
if n = 19 A19 = 11×3^19
Answer:
x= -1
Step-by-step explanation:
the equation would be written like this
2+16x= -7x-21
add -7x on both sides
2+23x= -21
subtract 2 from each side
23x= -23
divide by 23 on both sides
x= -1
Exact form
6(4-sqrt5)over 11
d.11