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3 years ago

What is the 8th term in the sequence? 1/4, 1/8, 1/16, 1/32, ...

Mathematics

1 answer:

blsea [12.9K]3 years ago

8 0

1/4, 1/8, 1/16, 1/32, 1/64, 1/128, 1/256, 1/512.

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Please help! A parallelogram has an area of 396 square centimeters and a height of 18 centimeters.

frosja888 [35]

The area formula for a parallelogram is base*height=area. Make an equation. You know the area and the height, so plug that into the equation, and you get x*18=396. Solve for x by dividing 396 by 18 and you get 22. So, the base is 22cm.

7 0

3 years ago

The first term of an arithmetic sequence is equal to four and the common difference is three. find the formula for the value of

hichkok12 [17]

The formula for the value of nth term is $a_{n}$ = 3n + 1

Step-by-step explanation:

The formula of the nth term in the arithmetic sequence is

$a_{n}=a+(n-1)d$ , where

a is the first term of the sequence
d is the common difference between each two consecutive terms

∵ The first term of an arithmetic sequence is equal to four

∴ a = 4

∵ The common difference is equal to three

∴ d = 3

- Substitute these values in the rule of the nth term

∵ $a_{n}=a+(n-1)d$

∴ $a_{n}=4+(n-1)3$

- Simplify it

∴ $a_{n}=4+3n-3$

∴ $a_{n}=1+3n$

The formula for the value of nth term is $a_{n}$ = 3n + 1

Learn more:

You can learn more about the sequence in brainly.com/question/7221312

#LearnwithBrainly

7 0

3 years ago

How many times greater is 130,000,000 than 64,800,000?

insens350 [35]

$\frac{130,000,000}{64,800,000} = \frac{1,300}{648} =\boxed {2.00617283951}$

4 0

4 years ago

What is the value of n in the numerical sentence?

Harlamova29_29 [7]

Answer: n = -2

Step-by-step explanation:

5 0

3 years ago

Find the value of x<br><br>m<2 = 9x - 1

jasenka [17]

Answer: x=9

Step-by-step explanation:

The bottom triangle that has a 40° is an isosceles triangle, therefore the other angle at the bottom right is also 40°. This leaves the top angle to be 100°.

180=40+40+x

180=80+x

x=100

Now, to find ∠2, you can tell it is a supplementary angle. Therefore, the 2 angles add up to 180°

180-100=∠2

80°=∠2

The problem states that ∠2 is 9x-1. We know that ∠2 is 80°. We can solve for x.

80=9x-1

81=9x

x=9

8 0

3 years ago