How do I come up with my answer?

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How do I come up with my answer?

Sarah took the advertising department from her company on a round trip to meet with a potential client. Including Sarah a total of 8 people took the trip. She was able to purchase coach tickets...

X-Y=11 5x+y=9 ...

Determine k so that the following has exactly one real solution. (Enter only the positive answer.) 5x^2+kx+3=0

Suppose f(x)= 34.0+1.3log(x+1) models salinity of water to depth of 1000 meters at a certain latitude. X is the depth in meters and f(x) is in grams of salt per kilograms of seawater. Approximate...

The measure of the angle from a line l1, with slope -1/3 to a line l2 is 135°. Find the slope of the line l2?

The number of mosquitoes M(x), in millions, in a certain area depends on the June rainfall X, in inches, according to the equation M(x)=16x-x^2. what rainfall produces the maximum number of mosquitoes...

Solve the equation using factoring or the quadratic formula, whichever is appropriate. (1/y+3)-(1/y)=1/9

The growth in population of a city can be seen using the formula p(t)=6029e^0.008t, where t is the number of years. According to this formula, how many years will it take the population to double...

Determine k so that the following has exactly one real solution. (Enter only the positive answer.) 2^x2+kx+10=0

After taking the integral I have (1/7)tan^7x+C-(1/5)tan^5x-C. I got this by breaking a tan^2x off and converting it into sec^2x-1. My question is what happens to my C when I have C-C?

An object is thrown downward with an initial velocity of 4 feet per second. The relationship between the distance s it travels and time t is given by s=4t+16t2...

Use the discriminant to find the number and kind of solutions for the following equation. Answer "0" if there are no solutions of that kind. 144x2-64=0

In Algebra 1 I am given the following problem: Simplify: -5√12 (7√6 - 4√8) Please help me.

I am creating a code for Traffic light control. I have developed the code as given below. I need to add a delay of 10s between the states, but I don't have any idea of doing it. I have already defined...

Given 2A ---> A2 rate=k[A]^2, if the rate constant is 0.014 1/M.s and the initial concentration of A is 0.0180 M, find the time required for the rate of consumption of A to drop to 1.25x10^-5 M/s...

1. We know that two positive charges repel each other. a) Determine the force between two charges which are both +1C and separated by 1m. b) Why do we normally measure charge...

Roy left home and drove straight to the airport at an average speed of 45 mph. He returned home along the same route, but traffic slowed him down and he only averaged 30 mph on the return trip. If...

A $100 is taken from my register without my knowledge. The person comes back 5 minutes later with the same $100 and spends $70 on items an given $30 in change. How much money did i lose?

Im working on slope in class and i dnt know how to answer tjhis question.

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