Answer:
8x² -4x -3
Step-by-step explanation:
The x² terms are "like" terms, so can be combined. They have the same variable to the same power.
7x² -4x +x² -3
= (7+1)x² -4x -3 . . . . use the distributive property to rewrite 7x² +x²
= 8x² -4x -3
Answer:
5, 3. 0, 3
Step-by-step explanation:
rise over run up and go across 3
Answer:
0
Step-by-step explanation:
1+2 =3 3-3=0
Answer:
A. The kinetic energy is quartered.
Step-by-step explanation:
The kinetic energy is quartered.
Answer:
15 feet
Step-by-step explanation:
if the dog run is a rectangles then the formula for the perimeter is 2h+2l
if we plug in the numbers we know we get this:
2h+2(5)=40
2h+10=40
2h=30
h=15