Answer:
A theorem is a general proposition not self-evident but proved by a chain of reasoning; a truth established by means of accepted truths.
Step-by-step explanation:
The land bridge (Bering strait) and the crossing from Canada
Answer:
x=-8 and y=9
Step-by-step explanation:
rewrite the equations to x+2y=10,3x+4y=12
sub 2y from both sides x+2y-2y=10-2y
substitue x=10-2y in 3x +4y=12
3(-2y+10)+4y=12
distribute
add-30 to both sides
divide both sides by -2
y=9
sustitute 9 for y in -2y+10=x
x=-8
1.) 58
2.) 205
3.) 134
4.) 150
5.) 21
6.) 670
7.) 33
8.) 50/7 or 7 1/7
9.) 42
These are all your answers
Answer:
D. Multiplication property of equality
Step-by-step explanation:
5 is multiplied to both sides of the equation, resulting to x = -10
