X= -b⁺₋ √b²-4ac/2a
x= (-(-2)⁺₋√(-2)²- 4(4)(-5))/2(4)
x= 4 ⁺₋√4+80/8
x= (4⁺₋ 9.165)/8
x= 4+9.165)/8 or x= 4-9.165)/8
x= 1.40 or x= -0.896
Answer:
y=-15x+50
Step-by-step explanation:
You originally had 50 dollars, so +50. Then, it decreases at a rate of 15 every week, so -15x.
Y is the total number of money she has.
y= -15x+50
Answer:
$2.45
Step-by-step explanation:
Kim bought two items so you want to add their total together
1.70+0.85=2.55
if she paid with a 5 and needs change you do
5-2.55=2.45
The answer to this equation would be 102.50 . Hope this helps!
Answer:
I am sorry but I am not sure of this :(
