The x stands for the number of beaded bracelets that she sells. For the profit, you need to use total income minus total costing of materials.
Answer:
x=-10
Step-by-step explanation:
2x²-7x=0+30
2x²-7x=30
4x-7x=30
-3x=30
x=-10
The answer to the question is x = 1 , 4 or 7 ; The choice is D
The factored form of this quadratic would be : (2x - 5)(x + 3) you can use the foil method to multiply the binomials to verify.
<span>2.3 seconds.
Let's assign the known values to the equation and solve for t.
h = 16t^2
86.4 = 16t^2
5.4 = t^2
2.323790008 = t
Rounding to the nearest tenth of a second gives 2.3 seconds.</span>