Algebra question and answers for December 20, 2023
- Q Solve (a) f(x)=0. (b) f(x) > 0, and (c) f(x) <0 over the interval [0,2?).f(x)=2 sin2xcos x-2 cos x
- Q Given that cos(x) = -0.27, what is cos(-x)?
- Q If the half-life of an element is 87.7 yr and the initial quantity is 2.5 kg, we can writea function of the form A(t) = Aoekt to model the quantity...
- Q The graph of the function g(x)=?x-1+2 is the graph of f(x) = ?xA)... shifted to the left 1 unit and up 2 unitsB)... shifted to the right 1 unit and...
- Q A. Find the time required for an investiment of $14,000 to grow $18,000 at an annual interest rate of 5% if the interest is compunded yearly.
- Q The population of a country on January 1, 2000, is 11.3 million and on January 1, 2010, it has risen to 12.5 million. Write a function of the form P(t)...
- Q Write the equation in exponential form.log729 9 = 1/3
- Q Find the exact value of sin 105 by using a sum or difference formula.
- Q Use a system of equations to solve the following problemThe local theater has three types of seats for Broadway plays: main floor, balcony, and mezzanine, Main floor tickets are $52,...
- Q Use a calculator to find the value in radians of the following expression rounded to two decimal places.sin 0.2****sin 0.2= radian(s)(Type your answer in radians. Round to the nearest hundredth...
- Q The monthly sales volume y (in thousands of dollars) is related to monthly advertising expenditures x (in thousands of dollars) according to the following equation.y =300x/X + 10Spending how much...
- Q $6300 is invested part of it at 12% and part of it at 7% for a certain year the total yield is $ 596.00 How much was invested at each...
- Q Suppose the correlation coefficient between a baby's weight and the price a computer is 0.87. Which statement must be true?A. As the baby gains weight, computer prices tend to decrease.B....
- Q The number of bank debit cards issued (inmillions) if given by the functionC(x)=-0.31x+5.8x2-15x +9, where 'x' is thenumber of years since 1990.How many debit cards were issued in the year1993?0.51...
- Q For problems 16 - 18: Chris has $ 3500 that is to beinvested in an account with 6% interest compoundedmonthly.Write the formula to calculate the accountbalance.A =3500e0.005tA =1.06(3500) 2t? A...
- Q Find the x-value(s) that solve(s) the system of nonlinear equations: 2x+y=-6y=x+6x+7x= -2.3, -5.7x= -1.5, -2.3x= -1.5, 5.5No solutionx= -5.7, 5.5
- Q Which of the following statements is accurate about the average score as the time increases?The average score will decrease for a period of time and then increase.The average score will...
- Q Marisa is organizing an event at a mystery room to celebrate the birthdays of three of her friends, The cost to rent the venue for the event is $200. She...
- Q Factor the polynomial 10ab( 3a - b) - 15b( 3a ? b )Select one:a. 15b(3a - b)(a-3)b. b(a-3b) (10a -3)c. 10b(a - b)(2a-3)d. 5b(3a-b) (2a-3)
- Q The growth of outpatient surgeries as a percent of total surgeries at hospitals is approximated byf(x)=-1316+304 In xwhere x is the number of years since 1900.(a) What does this function...
- Q Determine the amplitude and period of the function without graphing.y = 5/7sin(-2?x/7)
- Q Use a calculator to help solve the problem.The population of the Earth is approximately 6 billion people and is growing at an annual rate of 1.9%. Assuming a Malthusian growth...
- Q A Diamon Ring sold for $4,025 including Tax. If the tax rate where the diamond was purchased is 6.1%, Find the price of the king before the teix was added....
- Q 2) On Tuesday, a baker sold 132 cookles. On Wednesday, she sold 108 cookles. Find the percent of change to the nearest tenth of a percent: *A) 81.8%B) 12.7%C) 82.1%D)...
- Q Scoft Set up a Volley Ball net in his Backyard. One of the poles, which forms a right angle with the ground is 6 feet high. to secure the pole,...
Get Answers to Unlimited Questions
Join us to gain access to millions of questions and expert answers. Enjoy exclusive benefits tailored just for you!
Membership Benefits:
- Unlimited Question Access with detailed Answers
- Zin AI - 3 Million Words
- 10 Dall-E 3 Images
- 20 Plot Generations
- Conversation with Dialogue Memory
- No Ads, Ever!
- Access to Our Best AI Platform: Flex AI - Your personal assistant for all your inquiries!