Answer:
x=10;y= -8
Step-by-step explanation:
A: x+y=2
B: -3-y=5 ---> y=-3-5=-8
so
A is : x+(-8)=2
x=2-(-8)=2+8=10
Answer:
b. 7x3 + 9x2 - 3x - 8
Step-by-step explanation:
Write the problem as a mathematical expression.
(4x3+6x2+2x−3)+(3x3+3x2−5x−5)
Remove parentheses.
4x3+6x2+2x−3+3x3+3x2−5x−5
Add 4x3
and 3x3
.
7x3+6x2+2x−3+3x2−5x−5
Add 6x2
and 3x2
.
7x3+9x2+2x−3−5x−5
Subtract 5x
from 2x
.
7x3+9x2−3x−3−5
Subtract 5
from −3
.
7x3+9x2−3x−8
Answer:
C.
Step-by-step explanation:
......................
Answer:
Step-by-step explanation:
The answer is 2.65 x 10^5.
Hope it helped you.
Plz mark me brainliest.
Answer:
The first 1 is right! Hurry!
Step-by-step explanation:
