If a is equal to 7. The answer is 11. 7+4
Answer:
see below
Step-by-step explanation: 5 20 15 28
3x + y = 23
3x – 2y = 8
O I should add, and the Xs will be eliminated. 3x + 3x = 6x NOT eliminated
O I should add, and the Ys will be eliminated. y + -2y = -y NOT eliminated
O I should subtract, and the Xs will be eliminated. 3x - 3x = 0x X is eliminated
O I should subtract, and the Ys will be eliminated. y - -2y = y NOT eliminated
Answer:
4/5___0.8___80%
4:5 to 4/5 <--- fraction
100 divided by 5 equals 20 so 20 x 4 = 80% <--- percentage
80% goes to 0.8 <--- decimal
hope i helped
Answer:
531,441
Step-by-step explanation:
9 x 9 x 9 x 9 x 9 x 9 = 531,441
3 is the common difference