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

If x=1,y=3,z=4 evaluate x^2+y^2+z^2-3yz^2

Help this is 12 points! f(x) = -3x^2 + 2x - 7 Find f(-1)

Help pleaseeeeeeeeee

the scopes trial in the 1920s angered __________ a. Fundamentalists b. The President c. Charles Darwin

Name a resource that could limit the survival of animals within a population

How would you describe life in West Africa?

factor 3x2 - 6x - 9 completely

Can some one Help me!?Listed in the Item Bank are key terms and expressions, each of which is associated with one of the columns. Some terms may display additio

PLS PLS PLS HELP WILL MARK THE BRANLIEST AND 30 POINTS! Think about the steps needed to make a map of the trade routes used during the time of the Roman Empire.

Read the passage. Then answer the question that follows. DECIUS. This dream is all amiss interpreted. It was a vision fair and fortunate. Your statue spouting b