Answer:
Step-by-step explanation:
The coefficients of the x terms are {1, 3, -3}, so the discriminant, b^2 - 4ac, is 3^2 - 4(1)(-3), or 9 + 12, or 21. The positive nature of the discriminant tells us that there are two real, unequal roots. Following the quadratic formula, we get:
-3 ± √21
x = -----------------
2
Answer:
x = 5.6
Step-by-step explanation:
5x - 7 = 21
5x = 28
x = 5.6
Can I geet brainliest
Answer: janet will should be her approximately around 5:30
Step-by-step explanation:
Answer: the answer is when the unit rate is a lower cost then the other unit rate.
Step-by-step explanation: