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

Five times the sum of a number and two is thirty-five. Find the number.

Which of the following is true about blood pressure? a. It falls when the heart contracts. b. Artery walls help to maintain pressure, even between heart beats

What is 4 13/25 mixed number as decimal,

what does civic humanism mean in apush

_______ is/are the raw material of evolutionary change a. Genetic drift b. Nonrandom mating c. Assortative mating d. Mutations

What did leaders of the public school movement work to establish? a. tax supported schools. b. low tuition colleges. c. free text books d. better private sc

Süleyman was a sixteenth century Safavid emperor who built magnificent mosques. A. True B. False

Which of the following statements is true regarding sentence components? a. Every sentence must have an object. b. The object can be a noun or a verb. c. The

Who among the following was convicted and sentenced to death for leaking bomb-making secrets to the communists? a. Alger hiss b. Richard Nixon c. Julius and

What 2 things must happen before an amendment becomes part of the constitution