3 years ago

Given the arithmetic sequence with the following two

Mathematics

1 answer:

kondor19780726 [428]3 years ago

8 0

Answer:

aₙ = -15 + 10 * (n-1)

Step-by-step explanation:

aₙ = a₁ + (n-1)*d a₁: first term d: common difference

a₅ a₁ + 4d =25 .... (1)

a₁₁ a₁ + 10d = 85 ...(2)

(2) - (1) 6d = 60

d = 10

a₁ = -15

Formula: aₙ = -15 + 10 * (n-1)

You might be interested in

Solve the inequality 2-x<7

dedylja [7]

Answer:

x > -5

Step-by-step explanation:

8 0

3 years ago

Read 2 more answers

Consider a study collecting data from a population with an unknown mean and standard deviation. If the sample mean and sample st

Levart [38]

Answer:

Step-by-step explanation:

Increasing the sample size in a particular study will bring about a decrease in the standard deviations of the means.

A decrease in the sample size for a particular study will bring about an increase in the standard deviations of the means.

Whereas the population mean of the distribution of sample means is the same as the population mean of the distribution being sampled from meaning that the population of the distribution of sample means never changes.

8 0

3 years ago

Select the correct answer.

mixer [17]

Answer:

Step-by-step explanation:

find 6%

429.99*6/100= 25.7994

Total cause of the laptop

429.99+25.7994= 455.79

4 0

3 years ago

Read 2 more answers

The reciprocal rule of division method is

I am Lyosha [343]

Answer:

Step-by-step explanation:

7 0

3 years ago

The answer of this question

dolphi86 [110]

Answer:

i think it is c

Step-by-step explanation:

not 100% sure tho

4 0

3 years ago