livelife1009 livelife1009

26-03-2022
Mathematics

contestada

Find the sum of the arithmetic sequence 1, 4, 7, 10, ...,94; n=32

Respuesta :

ghanami ghanami

26-03-2022

Answer:

Step-by-step explanation:

hello :

the sum is : Sn = n/2(U1 + Un ) and U n = U1+(n-1)r

given : U1 = 1 r=4-1=7-4=...= 3 n= 32

so : U 32 = 1+(32-1)3= 94

S32 = 32/2 (1+94) = 1520

Answer Link

Otras preguntas

At $5 a bushel, there is an excess supply of wheat. is this price above or below the equilibrium price? in 2-3 sentences, explain your answer.

the flowchart shown below shows the sequence of steps to prove the theorem. Opposite angles of a parallelogram are equal: what is the missing statement? angle

If the ratio of the corresponding side lengths of two similar polygons is 6:11, what is the ratio of their areas?

What is the Spanish word for the number that follows 657,666?

What is the Perimeter of JKL?

Slingbox is an example of ____ software.

How did the scientific revolution change the way people beiwed nature

The ________ is determined by the amount by which government spending exceeds government revenue in a fiscal year. budget deficit gross domestic product reserve

Maria is reading an essay comparing two poems and has come across a missing word. A love poem by a Classicist will express emotion in a logical and restrained

If all the dimensions of a cube are increased by 5 units, how will the volume of the cube change? increase by a factor of 5 volume will remain the same increas