Answer:
No Solution
Step-by-step explanation:
When you add your x's or subtract them onto the other side, and it equals 0 then there is no solution to the system
Answer:
subtract 1.3 from both sides to get x> -3.2
Step-by-step explanation:
Answer:
1.875 or 1.9 mi/h
Step-by-step explanation:
2.50 miles in 45 minutes
2.50-25%=1.875
If the number of positive signs is even and the number of negative signs is odd then it is negative and vice versa. If the number of positive signs is even and the number of negative signs is even then the answer is odd. If the number of positive and negative signs are odd then the answer is always negative.
Answer:
Step-by-step explanation:
1) f(x) = 7 - 8x²
f(3) = 7 - 8*3²
= 7 - 8*9
= 7 - 72
f(3) = -65
2) f(a) = -5(a-2)
f(3) = -5(3 -2) = -5 * 1 = -5

4) f(m) = m(m +4)
f(3) = 3*(3+4) = 3 * 7 = 21