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

Apply what you know about genetics and adaptations to explain what will happen to the population of moths over many years of predominately light colored trees

In a force of 12 N is applied to an object with a mass of 2 kg what will be its acceleration

if a 5-kg bowling ball is projected upward witha velocity of 2.0 m/s, then what is the recoil velocity of the Earth(mass=6.0×10^24kg)

What is the word moon as a possesive noun

A 70 kg boy is about to dive 5 meters into the water. How much kinetic energy will he have when he is 2 yards above the water?

In a paragraph, describe some similarities and differences between the struggle for women's rights and the fight for racial equality.

4ax+3ay+4bx+3by factor by grouping answer= (_ + b)(_x + _y)

Which is a related subtraction fact for 5+7=12

The Battle of Ia Drang ValleyGulf of TonkinTet Offensive showed Americans the Vietnam War was not nearly over as the government had suggested.

Linda walks 2.5km every day. How far does she walk in 5 days?