Basic Math question and answers for May 21, 2024
- Q The ratio of white socks to black socks in Terry's drawer is 4/5. Which of the following combinations could NOT be the actual numbers of white and black socks in...
- Q Suppose that the functions r and s are defined for all real numbers x as follows.r(x) = x-4s(x)=2x-6Write the expressions for (r+s) (x) and (r-s) (x) and evaluate (r.s)(1).
- Q Solve the quadratic by factoring.5x - 39x - 4 = 4
- Q Given the polynomial function, f(x) = (x + 2)(x + 5)(x-3). Which statement must be true about this polynomial? A. It has 5 distinct roots that are all real numbers....
- Q Fully simplify using only positive exponents.4xy/2x8y4
- Q Ava is required to take at least 200 shots at basketball practice each week. During the first practice this week, Ava took 80 shots. She has three remaining practices this...
- Q You and a friend are heading to the movies. You each buy a ticket and you also want to buy some refreshments. The total cost of admission per person, a,...
- Q Solve the quadratic by factoring.x = 4x +32
- Q Which of the following is NOT true of the graph y = x - 6x + 11x - 6? As x ? ?o, f(x) - -0. As x +?o, f(x)...
- Q A fan of trigonometry is building a right triangular pool in his backyard. The hypotenuse of the right triangle is 30 feet long and the height of the right triangle...
- Q Suppose a part inside a computer chip has been measured to be 0.0000266m wide, 0.0000014mlong and 0.000284m high. The part has the shape of a rectangular box. What is its...
- Q A gas station sells regular gas for $2.10 per gallon and premium gas for $2.60 a gallon. At the end of a business day 290 gallons of gas had been...
- Q The manager of a 90-unit apartment complex knows from experience that at a rent of $1500 per month, all units will be rented. However, for each increase of $30 ir[...
- Q If the radius of a right circular cylinder is 4x and theheight of the cylinder is 3y, which of the followingrepresents the volume of the cylinder?12?* 2y24?* 2y48?*2y144?* 2y.
- Q Find the second derivative of the function. (Simplify your answer completely.)g(x) = ex In xg" (x). = (Express your answer as a single fraction. Factor the numerator, if possible.
- Q A farmer classifies his carrots as 'small', 'medium' or 'large'. His harvest follows a normal distribution, with a mean length of 15 cm and standard deviation 5 cm. If 18%...
- Q Eric determines that the length of a bus journey is normally distributed with mean 20 minutes and standard deviation 5 minutes. He wants to calculate the probability that the journey...
- Q Express the following fraction in simplest form, only using positive exponents.3x10c10/-4(x c)-4
- Q A sun in a distant galaxy has an estimated Mass of 1.67216 x 1030 kg and the earth has a mass of 5.972 x 1024 kg, how many earths would...
- Q The random variable X is normally distributed with mean = 7.4 and standard deviation o = 2.1. Find the value of k if P(X > k) = 0.32. Give your...
- Q A group of adult males has foot lengths with a mean of 27.27 cm and a standard deviation of 1.15 cm. Use the range rule of thumb to identify the...
- Q A typical human red blood cell has an average diameter of 8.2 x 10-6m, while a typical humanskin cell has an average diameter of 30 x 10-6m. How many times...
- Q Use synthetic division to find the result when 2x4 - 10x + 16x - 7x - 4 is r(x) 2. If there is a remainder, express the result in the...
- Q Pocahontas received an 80.7% on the most recent French test. What fraction of the questions did Pocahontas answer correctly?
- Q Simplify the expression to a + bi form:(12 - 9i)
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