elizabethshull10 elizabethshull10

14-08-2020
Mathematics

contestada

given a20=100 and a50=400 identify the common difference “d”

Respuesta :

sahilsidd sahilsidd

14-08-2020

Answer:

a20=a+19d

or,100=a+19d

or, a=100-19d--------(I)

again,

a50=a+49d

or, 400=a+49d

or, a=400-49d--------(ii)

equating equations,we get

100-19d=400-49d

or, 30d=300

so, d=10

Step-by-step explanation:

plz mark it as brainliest

Answer Link

Otras preguntas

What do two or more substances form when they come together without forming a new substance?

"“when peoples were conquered, incorporated into provinces, and, in the due course of time, became part of an integrated empire, this entailed a process of ethn

1,000 cars in the parking lot are surveyed and the average or mean mileage is 30,000 on those cars. If the standard deviation is 5,000, how many cars would fall

Which best states a difference between voting in the us and in other countries

Why was the battle of Saratoga a turning point in the war

According to ishmael, what was the most difficult part of being alone in the forest?

The point-slope form of the equation of a line that passes through points (8, 4) and (0, 2) is y – 4 =1/4 (x – 8). What is the slope-intercept form of the equat

Convert this percent into decimal form.

Suppose alexander had never defeated the persian. what might have been the consequences for the later development of the democratic tradition

the sum of a rational number and an irrational number