Hello :
the equation 3x^2+4x-7=0 has 2 solutions because : ac <span>< 0
a = 3 b=4 c= -7
</span>Δ = b²-4ac....... b² ≥ 0 and -4ac > 0 ..... (ac < 0 )
coclusion : Δ>0.....(2 solutions)
<span>Exponential notation is an easier way to write a number as a product of many factors. ... Any number (except 0) raised to the zero power is equal to 1. 1490 = 1.</span>
Answer:
B.
Step-by-step explanation:
B. The girl would have to use less force because she is using a simple machine, or a lever. The lever makes it easier to lift the rock because the rock is closer to the fulcrum.
Answer:
95/6
3/5
Step-by-step explanation:
