Answer:

Step-by-step explanation:
since
,

Answer:
x=2
Step-by-step explanation:
2.1(2.3 + 2.1x) = 11.65 + x
Distribute
4.83+4.41x=11.65+x
bring 4.83 over (-)
4.41x=6.82+x
bring x over
4.41x-1(x)=6.82
4.41-1=3.41 so
3.41x=6.82
divide 3.41
x=2
Answer:
I think its true
Step-by-step explanation:
Answer:
33^2
Step-by-step explanation:
3 x 5= 15
15+18=33
33^2 because there is two triangles your adding to get the answer