Step-by-step explanation:
x=1
=2^3×1-1
=8×1-1
=8-1
=7
Answer:
AAS , ASA.
Step-by-step explanation:
2 angles and one side are congruent.
2 pairs of alternate angles are equal or you could have 1 pair of alternate and vertical angles equal.
1) 9x + 13 = 17x - 15
13 = 8x -15
28 = 8x
x = 3 1/2
Answer- A
2) barrel a; 5x+20
barrel b; 4.25x+32
Equal barrel weight: 5x+20=4.25x+32
5x=4.25x+12
0.25x=12
x=48
Answer: 48 shovels of dirt will make the two wheel barrels equal
Step-by-step explanation:
1. 0
2. 42
3. 80
4. 48
5. 250
6.64
7. 90
8. 180
9. 42