kcanklisha kcanklisha

12-07-2021
Mathematics

contestada

If the common difference of an ap is 3/2 and its 20 th term 35×1/2 find first term and 15 th term

Respuesta :

16-07-2021

Answer:

Step-by-step explanation:

d = 3/2

a₂₀ = a₁+19d

35/2 = a₁ + 19×3/2

a₁ = 35/2 - 19×3/2 = -11

a₁₅ = a₁+14d = -11 + 14×3/2 = 10

Answer Link

Otras preguntas

suppose you pay $2 per bottle for the juice and sell it to citizens for $2.5 per bottle what is the percent markup that is being charged

what is the equation of the line with a slope of -1/2 that passes through the point (6,-6)

La familia chicana vive cerca de la ________ entre California y México.

what characterizes the classical period of music a) elegant and simple sounds b) ornate and intricate melodies c) the use of electronics to create sound d) pass

A car travels at an average speed of 48 miles per hour. how many miles does it travel in 4 hours and 45 minutes?

PLEASE I NEED HELP SOMEONE!!!!! Because bacteria are living cells, which of the following characteristics should all bacteria have? A. Energy-making organell

Malia has decided to set aside money. she prefers to pay the least amount in taxes. according to the chart, which option best suits her needs? a.deferred annuit

a landscaper has 3/4 tons of mulch. She puts 1/16 ton of mulch on each flower bed. How many flower beds does she put mulch on?

islamic slave traders sent african slaves to blank during the period of 900s to the 1400s

help me please someone!!