3 years ago

What is the value of the arithmetic series below?

Mathematics

2 answers:

MariettaO [177]3 years ago

4 0

Answer:

Step-by-step explanation:

E2020

RoseWind [281]3 years ago

3 0

Answer:

- 494

Step-by-step explanation:

Breaking down the summation into it;s component parts

= 4k - $\frac{3}{2}$ k(k + 1) ← substitute k = 19

= (4 × 19 ) - 1.5 × (19 × 20)

= 76 - (1.5 × 380)

= 76 - 570

= 494

You might be interested in

HELP PLEASE:

sattari [20]

Answer:

Its 40 for the first and 20for the other one

Step-by-step explanation:

I just took the test.

3 0

3 years ago

Read 2 more answers

spends 2 hours and 20 minutes trading stickers and 125 minutes doing homework. What activity does he spend more time on? How muc

dimulka [17.4K]

Answer: He spends more time trading stickers by 15 minutes.
Step-by-step: 1 hour is 60 minutes. So 2 hours is 120 minutes. 120 minutes plus his 20 minutes is 140 minutes. Subtract it from his homework time and he spends 15 more minutes trading stickers.

7 0

3 years ago

Consider the function below. Find f(5)

Komok [63]

Answer:

-3

Step-by-step explanation:

5 0

3 years ago

Read 2 more answers

How to simplify 5 to the power of 0

Dennis_Churaev [7]