Statistics
Statistics Solutions
Graph. Be sure to label the vertices. a) (24x^2 )+ (2y^2) = 72. b) {36(x-5)^2} + {4(y-2)^2} = 36.
Calculus
Differential equations Solutions
Graph and find the solutions for the quadratic function x²- 4x + 4
Find the indicated derivatives of the following functions. No need to simplify. a. Find f'(x) where f(x) = arctan (1 + ∛x) b. Find dy/dx where y is implicit defined by sin(2yx) – sec (y^2) – x = arctan (π) c. Find f'(x) where f(x) = {(1 + x^2)^1/x} + (That's (1 + x^2) raised to the power 1/x) d. Find {d^(47)y} / {dx^(47)} | x=2 (the 47th derivative of y with respect to x at x=2) where y = ln (1 + 2x)
Probability Solutions
One card is selected from a deck of cards. Find the probability of selecting a club or a card less than 3. (Note: The ace is considered a low card.) A) 4/13 B) 9/26 C) 19/52 D) 23/52
Find the indicated probability. Round your answer to 6 decimal places when necessary. Based on meteorological records, the probability that it will snow in a certain town on January 1st is 0.441. Find the probability that in a given year it will not snow on January 1st in that town. A) 0.559 B) 2.268 C) 0.789 D) 1.441
Math - Others
Basic Math Solutions
Rationalize the denominator and if possible, simplify: (3 + √6) / (9 - √6)
Geometry
2D Geometry Solutions
Graph xy = -12. Be sure to include the table of values used to make the graph.
Functions Solutions
The equation V = 1800e^1.21t. describes the value of an investment after I years. For the investment, give the initial value, the continuous growth rate, the annual growth factor and the annual growth rate. Round your answer for the annual growth factor to three decimal places, and your answer for the annual growth rate to one decimal place a)The initial value is b)The continuous growth rate is c)The annual growth factor is d)The annual growth rate is
Sets and Relations Solutions
Which of the following sets is not a finite set? (A) { (x , y) : x^² + y^2 ≤ 1 ≤ x + y, x, y ∈ R } (B) { (x , y) : x^2 + y^2 ≤ 1 ≤ x + y, x, y ∈ Z } (C) { (x , y) : x^2 ≤ y ≤ |x|, x, y ∈ Z } (D) { (x , y) : x^2 + y^2 = 1, x, y ∈ Z}
Math
Area Solutions
Which formulas can be used to find the surface area of a right prism where p is the perimeter of the base, h is the height of the prism, BA is the area of bases, and LA is the lateral area? Check all that apply. A. SA = BA + ph B. SA = BA+ 1/2 LA C. SA = BA + 1/2 ph D. SA = BA + LA E. SA - BA - LA
Do each of the following: Describe some of the similarities and differences among Euclidean, Spherical, and Hyperbolic geometries with respect to: a) triangles. b) models for the geometries. c) parallels.
Graph. Be sure to label the vertices. a) 24x^2 + 2y^2 = 72 b) 36(x - 5)^2 + 4(y-2)^2 = 36
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