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asambeis [7]
3 years ago
9

ANSWER PLZ QUICK AND FAST WHAT

Mathematics
1 answer:
Pavlova-9 [17]3 years ago
6 0

The answer to this question is C.

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What is the explicit formula for the geometric sequence with this recursive formula? a1=-7
Arisa [49]

ANSWER

D. a_n= - 7( \frac{1}{3} )^{n - 1}

EXPLANATION

The given explicit formula is

a_1= - 7

and

a_n=\frac{1}{3} a_{n-1}

This implies that,

r =  \frac{1}{3}

The explicit formula is given by:

a_n=a_{1}( \frac{1}{3} )^{n - 1}

We substitute the known values to get;

a_n= - 7( \frac{1}{3} )^{n - 1}

3 0
4 years ago
Suppose that algeria has a workforce of 9,416,534, each of whom earns an average annual salary of (equivalent us dollars) $6,844
IgorC [24]

The income tax rate is 14% if the Algerian government wishes to raise $9 billion in tax revenue and has a workforce of 9,416,534.

<h3>What is the income tax rate?</h3>

It is defined as the tax rate applied on the solely earned money by a single entity.

Algeria has a workforce of 9,416,534

Each entity average annual salary = $6,844

The raise in tax revenue = $ 9 bilion

To find the income tax rate we must find the total income of the workforce,

= 9,416,534×6844

= $64.45 billion

Now for income tax:

\rm = \frac{Tax \ revenue}{Total \ income}

=\rm \frac{9 \ billion}{64.45 \ billion}\times 100

≈ 14 %

Thus, the income tax rate is 14% if the Algerian government wishes to raise $9 billion in tax revenue.

Learn more about the income tax here:

brainly.com/question/17075354

3 0
2 years ago
What is square root of 81
Doss [256]
The square root of 81 is 9, this can be proven by squaring 9, which's result is 81.
4 0
3 years ago
Read 2 more answers
Which of the following accurately describes cot⁡(336°)?
sergij07 [2.7K]

Which of the following accurately describes cot⁡(336°)

Options are

cot⁡(-336°)

cot⁡(24°)

cot⁡(-24°)

-cot⁡(-24°)

Answer : cot⁡(-24°)

In a circle the total angle is 360 degrees. 336 degree lies in fourth quadrant.

360 degree - 336 degree = 24 degree

+24° lies on first quadrant and -24° lies on fourth quadrant.

So cot(336) is same as cot(-24)

5 0
4 years ago
Consider the function represented by the equation x - y = 3. What is the equation written in function notation, with x
Alex

Answer:

f(x) = x - 3

Step-by-step explanation:

note that y = f(x) , then

x - y = 3 ( add y to both sides )

x = 3 + y ( subtract 3 from both sides )

x - 3 = y , that is

f(x) = x - 3

5 0
2 years ago
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