Answer:
6.878
Step-by-step explanation:
I took the quiz
I'm pretty sure that it's already in simplest form.
<span>Part A:
The price of the tv when purchased online is given by
Part B:
T</span><span>he price of the tv when purchased at the superstore is given by:
</span><span>
Part C:
T</span><span>he difference between the prices is given by $224 - $208 = 16
For every 10% increase in the markup, the prices increases by $16.
</span>
Your answer is A. (0,0)
The equation of the line is in the form y = mx + b, where m is the slope and b is the y-intercept, which is where the line cuts the y-axis.
In the line y = 4x, the ‘m’ would be 4 and the ‘+ b’ would be 0, which means that the line cuts the y-axis when y = 0.
There are only 2 answer options that have y = 0, A (0, 0) and D (4, 0). To find out which is correct, we can substitute in y = 0 into the equation y = 4x to see what the x-value would be:
y = 4x
0 = 4x
0 = x
Therefore the answer is A.
I hope this helps!
Answer: 1/3 sec or 0.333 sec
Step-by-step explanation:
d = 30*t^2 + 80*t = 30
putting into quadratic form, a*t^2 + b*t + c = 0
30*t^2 + 80*t - 30 = 0 where: a = 30 b = 80 c = -30
solve quadratic:
t = [-b + sqrt( b^2 - 4*a*c)]/2*a
substitute in values above
therefore, t = 1/3 sec or 0.333 sec