Since they each paid the same amount, we can figure out that 9*4=36 dollars is the price of the gift. Next, since there was a 10% discount (or 0.1 by moving the decimal 2 spots to the left), we can say that the original gift price is x and
x-0.1*x=0.9*x due to that we subtract the 10% discount (and it's 10% of the original price). In addition, the sisters paid 0.9*x, which is 36. Dividing both sides by 0.9, we get x=40
Answer: B if I'm rong sue me
Step-by-step explanation:
Answer:
Density = Mass (grams) / Volume (Milliliters)
Density = 120 grams / 200 ml
Density = .60 grams per ml
Density is less than 1 so it will float on water.
Step-by-step explanation:
<span>Personal finance refers to the act of applying the principles of finance to the budgetary decisions of an individual or a family unit. It deals with the means by which individuals or family units acquire, budget, save, and spend money over time, taking into cognizance various financial risks and future life events. Personal finance might include such components as checking and savings.</span>
F(x)=x^2 - 4x - 4x +16-16-9
=x(x - 4) -4(x - 4) - 25
= (x-4)(x-4) -25
f(x)=(x-4)^2 - 25
the vertex is (4, -25)
the vertex occur at
x = - b/2a and y = (4ac - b^2)/4a
x= - - 8/(2*1)=4
y=[4*1*(-9) - (-8)^2]/(4*1)
= (-36-64)/4 = - 100/4 = - 25
