The “limited plan” offers a 15% discount for power usage between 7pm – 9am if most of your usage happens during that time. if not, then you lose your discount and you pay a 20% premium on the usage outside of that time. the cost per kilowatt hour is $0.05432. how much would you have paid in march if you used 450 kwh 7pm – 9am and 465 kwh 9am – 7pm?

mxb67

step-by-step explanation:

oof

step-by-step explanation:

if you're trying to figure out how much each ounce cost it would be 0.20

cents each ounce

"standard form:

3x2 + 14x − 10 = 0

solutions based on quadratic formula:

x1   = −14 − √ 142 − 4×3×(−10) /   2×3   = −14 − 2 × √ 79 /   6   ≈ −5.296

x2   = −14 + √ 142 − 4×3×(−10) /   2×3   = −14 + 2 × √ 79 /   6   ≈ 0.629