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3 years ago

I need help on this problem pleeeaaassseee help

Mathematics

1 answer:

STatiana [176]3 years ago

5 0

First divide the 10 and 497

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Find the oth term of the geometric sequence 7, 14, 28, ...

yaroslaw [1]

Answer:

The nth term of the geometric sequence 7, 14, 28, ... is:

$a_n=7\cdot \:2^{n-1}$

Step-by-step explanation:

Given the geometric sequence

7, 14, 28, ...

We know that a geometric sequence has a constant ratio 'r' and is defined by

$a_n=a_1\cdot r^{n-1}$

where a₁ is the first term and r is the common ratio

Computing the ratios of all the adjacent terms

$\frac{14}{7}=2,\:\quad \frac{28}{14}=2$

The ratio of all the adjacent terms is the same and equal to

$r=2$

now substituting r = 2 and a₁ = 7 in the nth term

$a_n=a_1\cdot r^{n-1}$

$a_n=7\cdot \:2^{n-1}$

Therefore, the nth term of the geometric sequence 7, 14, 28, ... is:

$a_n=7\cdot \:2^{n-1}$

6 0

3 years ago

What is 256 written as a power

Lapatulllka [165]

Written as a power of ten is 256.×10^0 or 2.56×10^1

7 0

4 years ago

A) The difference between twice the product of a and b and the quotient of these numbers.

lys-0071 [83]

Answer:

(a) 2ab - a/b

(b) c² + d + 2cd

(d) Let x be the number that is 1 greater than b, then x = b + 1

Let y be the number twice as large as b, then y = 2b

Then the quotient of x and y is what we want. This is (b + 1)/2b

(e) pq - 3(p + q)

(f) The quotient of n² and n³ + 5, this is

n²/(n³ + 5)

8 0

3 years ago

Read 2 more answers

Is (1, 2) a solution to the equation y = 8x?

Rom4ik [11]

Answer:

no it is not

Step-by-step explanation:

8 × 1 does not equal 2

4 0

3 years ago

Solve the expression for the specified variable. <br> S=DC-8, for D

anastassius [24]

D=(S+8)/C

S=DC-8
add 8 to both sides
S+8=DC
divide c from both sides
(S+8)/C=D

4 0

3 years ago

I need help on this problem pleeeaaassseee help​

I need help on this problem pleeeaaassseee help