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3 years ago

The diagram below is divided into equal parts.which fraction of the parts is white?

Mathematics

2 answers:

LenaWriter [7]3 years ago

8 0

Answer:

no diagram

Step-by-step explanation:

pav-90 [236]3 years ago

5 0

There is no diagram

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The explicit formula for the geometric sequence Negative one-ninth, one-third, negative 1, 3, negative 9, ellipsis is f (x) = ne

storchak [24]

Answer:

Common ratio, r=-3

Recursive Formula

$f(n)=-3f(n-1),$ $n\geq 2\\f(1)=-\dfrac{1}{9},$

Step-by-step explanation:

The formula for the geometric sequence: $-\dfrac{1}{9} ,\dfrac{1}{3}, -1,3,-9,\cdots$ is given as:

$f(x)=-\dfrac{1}{9}(-3)^{x-1}$

<u>Common Ratio</u>

Dividing the next terms by the previous terms, we obtain:

$\dfrac{1}{3} \div -\dfrac{1}{9} = \dfrac{1}{3} \times -9 =-3\\3 \div -1 =-3\\-9 \div 3 =-3$

Therefore, the common ratio of the sequence, r=-3

<u>Recursive Formula</u>

We observe that the next term, $f(n)$ is obtained by the multiplication of the previous term. f(n-1) by -3.

Therefore, a recursive formula for the sequence is:

$f(n)=-3f(n-1),$ $n\geq 2\\f(1)=-\dfrac{1}{9},$

3 0

3 years ago

A new car is purchased for $17,300 the value of the car dissipates at 9.25% per year will what will be the value of the car to t

mamaluj [8]

Answer:

17,300×9.25%= 160,025÷15=10,668

Step-by-step explanation:

that how much to purchased $10,668

3 0

3 years ago

60% of 89 is what number?

cluponka [151]

It’s 53.4 hope this helps

4 0

3 years ago

Read 2 more answers

Explain how this diagram 2/5 divided by 3

nadya68 [22]

There's no diagram shown, but if I'm right, I think it's 2/15.

5 0

3 years ago

Which is faster rate? 3 Laps in 5 minutes or 4 laps in 7 minutes?

ad-work [718]

To solve this, we first have to find an individual rate:
3/5
4/7
For the first one:
1 lap in 5/3 minutes
Second one:
1 lap in 7/4 minutes
find a common LCD
5/3 and 7/4
20/12 and 21/12
4 laps in 7 minutes is faster

8 0

3 years ago