2 years ago

Find the 9th term of the geometric sequence 5, -25, 125, ...

Mathematics

1 answer:

Ganezh [65]2 years ago

7 0

9514 1404 393

Answer:

1,953,125

Step-by-step explanation:

The first term is a1 = 5; the common ratio is r = -25/5 = -5. The generic term is ...

an = a1×r^(n-1)

an = 5×(-5)^(n-1)

So, the 9th term is ...

a9 = 5×(-5)^(9-1) = 1,953,125

You might be interested in

winston earns $140.00 by selling 56 hotdogs at a concession stand at school. by using the same rate for the cost of one hotdog ,

kipiarov [429]

70. 2.50 times 70 would equal 175.

6 0

3 years ago

2/5of a number is 80. What is 3/4of the same number?

lara [203]

Answer:

2/5of a number is 80 5/5 = 1 32/1 = simplified = 32

3/4 of the same number 0.75

8 0

3 years ago

Which COULD be the area of this parallelogram?

BaLLatris [955]

Answer:

1650 in

Step-by-step explanation:

base times height

50 times 33 = 1650 in

7 0

3 years ago

Read 2 more answers

The sum of two consecutive odd integers is 256. What is the value of the larger integer?

Igoryamba

Answer:

Step-by-step explanation:

Answer:

The greatest of the integers is 129 (C).

Step-by-step explanation:

Let x be the first integer.

x + (x + 2) = 256

2x + 2 = 256

2x = 254

x = 127

127 + 129 = 256

6 0

3 years ago

Investment of 6,600 doubles in value every 8 years. How much is it worth after 40 years?

anygoal [31]

33000 because u multiple 6600 times 5 and u get an answer

7 0

3 years ago