Answer:
x=4
Step-by-step explanation:
Step 1: Simplify both sides of the equation.
Step 2: Add 25x to both sides.
Step 3: Subtract 16 from both sides.
Step 4: Divide both sides by 9.
$650-100=$550
30x=550 where x is number of weeks
divide each side by 30
x=18.33 weeks so 19 weeks
Hope that helps.
10y⁵ + 30y³ - 15y =
5y * 2y⁴ + 5y * 6y² + 5y * (-3) =
5y (2y⁴ + 6y² - 3)
Answer:
0.8417
Step-by-step explanation:
The probability that a college student uses Twitter for social networking is
then the probability that a college student does not use Twitter for social networking is 
9 students are chosen at random.
Use the binomial probability formula to find the probability that 8 use Twitter:
Use the binomial probability formula to find the probability that 9 use Twitter:

The probability that more than 7 students use Twitter is