personyperson123456 personyperson123456

22-09-2020
Mathematics

contestada

Suppose T(n) = n(n +1)/2. Find T(10).

a
45
b
45/2
c
55/2
d
55

Respuesta :

Hrishii Hrishii

22-09-2020

Answer:

D. 55

Step-by-step explanation:

[tex]T(n) = \frac{n(n +1)}{2} \\ \\ T(10) = \frac{10(10 +1)}{2} \\ \\T(10) = \frac{10\times 11}{2} \\ \\T(10) = 5 \times 11 \\ \\ \huge \red{ \boxed{T(10) = 55}}[/tex]

Answer Link

Otras preguntas

Newell Company completed the following transactions in October: Credit Sales Sales Returns

I need this done by tomorrow 4.

HELP PLZZZ This traditional style of fishing is an example of how humans — A modify the environment B adapt to the environment C organize to accomplish large-sc

5. The distance between two cities on a map is 4 centimeters. The map uses a scale in which 1 centimeter represents 25 kilometers. What is the actual distance b

À finir. Choisissez la fin de phrase correcte. (5 x 2 pts. each = 10 pts.) ______ 1. Si on continue à polluer cette rivière... a. tous les poissons seraient par

help me out on this please:)

What is the formula for the area of a rectangle? A. A= lw B. A= (lw)/2 C. A= 1/2 (l x w) D. A= (b1 + b2)/2

WHOEVER ANSWERS FIRST GET A BRAINLY!!!!Provide a reason why no 2 communities are ever the same. Support your answer with an example.

Why might a post-classical civilization want to conquer Egypt and the Nile River Valley?

What is the volume of the sphere below?