the sum of the angle measures of any angle is 180 degree. Find the angle measures of a triangle if the second angle measures 10 degrees less than twice the first, and the third angle measures 25 degrees more than the second.
The manager of a supermarket found that 72% of the shoppers who taste a free sample of a food item will buy the item. What is the expected number of shoppers that will buy the item if a random sample of 50 shoppers taste a free sample?
In a school of 300 students, 105 students are in the band, 175 students are on sports teams, and 45 participate in both activities. How many students do not participate in band or sports?
A person is holding a rope on a hot air balloon that is rising straight up. The person is a constant 93 feet away from the balloon's starting point and the angle that the rope makes with the ground increases at a rate of 0.01 radians/minute. How fast is the balloon rising when the angle is...
10.14 in a fraction
1. A recent repot concludes that while Internet users like the convenience of online shopping, they do have concerns about privacy and security (Online Shopping,Washington, DC, Pew Internet & American Life Project, February 2008). Respondents were asked to indicate their level of...
A manufacturer sells two products, one at a price of $5000 a unit and the other at a price of $10000 a unit. A quantity q1 of the first product and q2 of the second product are sold at a total cost of $6000 to the manufacturer. Express the manufacturer's profit, as a function of q1 and q2.
What is 10.14 in a fraction?
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1. I’m having problems with my math. Can you help me? All I need is an example just to make sure I'm on track.
- Solve the following
- a) 3/(n+1)-1/(n+1)=14/(n^2-1)
- b) 1/(y-1 )+y/(1-y)
- d) (x-2)/(8x-24)*(5x-15)/(x^2 -4)
- e) z/(z-1)+1/2=3/z
- f) (x-3)/(x^2+2x-15)-(4-x)/(x^2-9x+20)
- 2. How do I set up this problem? An exam contains five "true or false" questions. How many of the 32 different ways of answering these questions contain 3 or more incorrect answers?