Ask question

Ask question

All categories

3 years ago

9

the first, second and fifth term of a linear sequence (A. P) is /are three consecutive terms of an exponential sequence (G. P),

if the first term of the linear sequence is 7. Find the common difference.

1 answer:

vredina [299]3 years ago

8 0

Answer: common difference is 14

Step-by-step explanation:

a,a+d,a+4d

7,7+d,7+4d

(7+d)/7=(7+4d)/(7+d)

(7+d)(7+d)=7(7+4d)

49+14d+d^2=49+28d

d^2-14d=0

d(d-14)=0

d=0 or d-14=0

d=14

You might be interested in

Eric drove 113 miles on Monday. On Tuesday, he drove 33 miles less than Monday. How far did he drive both days?

Marat540 [252]

He drove 193 mile you subtract 33 from 113 which is 80 then add 80 and 113 together and you get 193

5 0

3 years ago

Read 2 more answers

Which ratio represents the probability of taking a red apple from a bag containing 8 red apples, 4 yellow apples, and 3 green ap

snow_lady [41]

Answer:

8:15

or 8/15

Step-by-step explanation:

8 out of 15

6 0

3 years ago

Read 2 more answers

Dwayne is having a birthday party with a total of 37 people (including himself). He needs to buy enough cases of soda to have 2

svet-max [94.6K]

Answer:

I do not know

Step-by-step explanation:

5 0

3 years ago

1+2 please helpbyybyb

Aleks [24]

1+2 equals three i used a calculator

8 0

3 years ago

Read 2 more answers

How to find the other endpoint with the given endpoint and midpoint?

prohojiy [21]

To find the other endpoint with a given endpoint and midpoint, you subtract the midpoint values from the endpoint, then with whatever the answer is, you subtract that from the midpoint.

6 0

3 years ago