Basic Math question and answers for July 21, 2024
- Q All of the following are functions of time. Which one would you expect to be closest to being a periodic function of time? Choose the correct answer below. A. The...
- Q In mathematics, what is the purpose of a function?Choose the correct answer below.A. A function describes an operation, such as multiplication or division.B. A function describes how one variable depends...
- Q Write and solve an equation for the following problem:How many liters of pure acid should be added to 10 liters of 40% concentrate to raise the concentration to 55%?
- Q The general population has been scared of HIV/AIDS for more than twenty years. The Center for Disease Control (CDC) warns of other infectious diseases that the public should be fearful...
- Q What is a mathematical model? Explain this statement: A model's predictions can only be as good as the data and the assumptions from which the model is built.Choose the correct...
- Q At 11:00 you place a single bacterium in a bottle, and at 11:01 it divides into 2 bacteria, which at 11:02 divide into 4 bacteria, and so on. If the...
- Q Mathematical modeling abounds with algebraic applications such as quadratic graphs representing maximum and minimum cost equations. The mathematical principles involved are explored in typical high school algebra classes. In the...
- Q The impact of the recession of 2009 was widely felt across America. One response that continues well into 2013 is an effort to build local economies by thinking and spending...
- Q Mr. Montoya instructs the students in his math class to draw a rectangle with a certain area. Catlynn draws a rectangle with a length of 18 centimeters and a width...
- Q The variable fvaries inversely as the square root of g. When f= 4, g = 4. Jordan's work finding the value of fwhen g = 100 is shown:f?g = k4(4)...
- Q Decide whether the following statement makes sense or does not make sense. Explain your reasoning. Scientists at an atmospheric research center use mathematical models to learn about the climate of...
- Q What are the three basic ways to represent a function?Choose the correct answer below.A. The three basic ways to represent a function are an ordered pair, a graph, and an...
- Q 65% of a Carbon-14 sample has decayed and 56 grams remain.What was the mass of the original sample? Round your answer to the nearest whole number.
- Q A car company says that the mean gas mileage for its luxury sedan is at least 23 miles per gallon (mpg). You believe the claim is incorrect and find that...
- Q Find the number of edges on this polyhedron. First count the number of faces Fand vertices V. Then use Euler's formula: F+ V= E + 2. Solve for E. Type...
- Q A chemist has three different acid solutions. The first acid solution contains 20% acid, the second contains 30% and the third contains 50 %. They want to use all three...
- Q Match the one-to-one functions with their inverse functions.Inverse Functionf^-1(x) = 5xf^-1(x) = x^3/2f^-1(x) = x+10f^-1(x) = 3(x+17)/2
- Q Which statement describes the end behavior of the function?f(x)=x^2-100/x^2-3x-4A. The function approaches 0 as x approaches -? and ?B. The function approaches 1 as x approaches -? and ?C. The...
- Q Which variable is plotted on the vertical axis when a graph of the function z = f(w) is created?Choose the correct answer below.A. f is plotted on the vertical axis...
- Q The domain of function f is (-?, 6) U (6, ?). The value of the function approaches -? as x approaches -?, and the value of the function approaches ?...
- Q After you graduate from CSU, you get a job with the Dihedral Group earning $1,890 a week.Soon the company needs to make cutbacks so your pay is reduced by 10%.Later...
- Q Which statement describes the solutions of this equation?2/s+2 + 1/10 = 3/x+3A.The equation has two valid solutions and no extraneous solutions.B. The equation has no valid solutions and two extraneous...
- Q Change the following decimal to fraction form (or mixed number form) and reduce, if possible.76.09
- Q Find the indicated quotient to the nearest thousandth.5.81/85.761
- Q If a minivan travels 306 miles on 25 gallons of gas, how many miles per gallon does it average (to the nearest tenth)?
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