Suppose the series Σ cn xn has radius of convergence 2 and the series Σ dn xn has radius of convergence 3. What is the radius of convergence of the series Σ (cn + dn) xn?

Calculate the perimeter of a rectangle with a length of 17.5 cm and a width of 40 mm in cm

Which does NOT show a reasonable estimate of 360 * 439? A 100,000 B 140,000 C 160,000 D 180,000

Simplify the following expression: - 2 x 2 - 1 + 1 x + 1 - 1 x - 1

Elect two ratios that are equivalent to 6 : 10

What is the interquartile range of the data set? {40, 48, 62, 60, 62, 40, 25, 50}

Five times a number added with 18 is equal to 48. What is the number

I am a number between 60 and 100 my ones digit is two less than my tens digit i am a prime number what is my number?

Consider the following system of equations: y = - 2x + 3 y = x - 5 Which description best describes the solution to the system of equations? Lines y = - 2x + 3 and y = 3x - 5 intersect the x-axis. Line y = - 2x + 3 intersects line y = x - 5.

You purchased 8 pounds 10 ounces of candy shop you want to split it equally among 3 classrooms at a local school. How much should each classroom receive

Well Basically, it's kinda a struggle to understand this math your explaining: ( Well, 3/6 = 8/?