Answer:
Step-by-step explanation:
Hello!
We can use the special binomial product formulas:
The simplified form is
A Web developer uses the equation y=110x+20, where x is the number of cents spent on advertising, to estimate the number of visi
tors a website receives in 1 day.
How many visitors should the Web developer expect in a week (7 days) if he spends 5 dollars a day on ads?
How many visitors should the Web developer expect in a week (7 days) if he spends 5 dollars a day on ads?
1 answer:
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Solve for slope first:
m =
m =
= -3
then solve for b in y = mx + b
8 = -3(-3) + b
b = -1
y = -3x - 1
m =
m =
then solve for b in y = mx + b
8 = -3(-3) + b
b = -1
y = -3x - 1
There are two -main- approaches to answer this problem. By using the sine identity, or applying law of sines.
We'll do the sine trig. identity, as it is the most effective.
Given an angle '
' in a right triangle, '
' is defined as the opposite side of the triangle to the given angle, over the triangle's hypotenuse.
So, for this setup:
Now, we solve for x:
So, answer is 3.4
We'll do the sine trig. identity, as it is the most effective.
Given an angle '
So, for this setup:
Now, we solve for x:
So, answer is 3.4