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2 years ago

Please help !!!! will mark brainliest

Mathematics

1 answer:

GarryVolchara [31]2 years ago

3 0

Answer:

the answer is D :))) hope you pass this

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What is the 10th term of the geometric sequence 400, 200, 100...?

Vsevolod [243]

ANSWER

$a_ {10} = \frac{25}{32}$

EXPLANATION

The given geometric sequence is

400, 200, 100...

The first term is

$a_1=400$

The common ratio is

$r = \frac{200}{400} = \frac{1}{2}$

The nth term is

$a_n=a_1( {r}^{n - 1} )$

We substitute the known values to get;

$a_n=400( \frac{1}{2} )^{n - 1}$

$a_ {10} =400( \frac{1}{2} )^{10 - 1}$

$a_ {10} =400( \frac{1}{2} )^{9}$

$a_ {10} = \frac{25}{32}$

4 0

3 years ago

What it the inequality for this interval? (-00, 2] u (8,00)

stepan [7]

Interval notation tells you what values where the function is defined. It’s defined all the way from negative infinity to positive 2, then there’s a gap all the way to positive 8, then we continue on to positive infinity. So x, would be literally every single number besides the number between 2 and 8. Oh and don’t forget that brackets mean included, so 2 is also a value that’s acceptable.

x is less than or equal to 2
and
x is greater than 8

5 0

3 years ago

Trying to find the initial value. help needed!!

m_a_m_a [10]

Answer: dkoakdoaskdoakodkaosdkaosdaksdpkadsokfpakofspokfsdp]fokpadsfkopadsfokpfodskfpaskofpd the answer is 2 sorry.

7 0

2 years ago

Ella and Iris are planning trips to nine countries this year. There are 12 countries they would like to visit. They are deciding

NISA [10]

Using the combination formula, it is found that there are 220 ways to decide which countries to skip.

The order in which the countries are skipped is not important, hence the <em>combination formula </em>is used to solve this question.

<h3>What is the combination formula?</h3>

$C_{n,x}$ is the number of different combinations of x objects from a set of n elements, given by:

$C_{n,x} = \frac{n!}{x!(n-x)!}$

In this problem, 3 countries are skipped from a set of 12, hence the number of ways is given by:

$C_{12,3} = \frac{12!}{3!9!} = 220$

More can be learned about the combination formula at brainly.com/question/25821700

#SPJ1

5 0

2 years ago

What is 100,203 2 in forms

balandron [24]

It is 100,000 and 203.

Or:

100,000 + 203

7 0

3 years ago

Read 2 more answers