3 years ago

The average number of rainy days in Seattle, Washington is listed below:

Mathematics

2 answers:

babunello [35]3 years ago

8 0

I don't quite understand your question. Mind to ask more clearly?

Sati [7]3 years ago

5 0

Your answer will be April

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Find the explicit formula for a 1 =-4,a n =a n-1 +9,n>=2

Mrrafil [7]

Given:

$a_1=-4$ and $a_n=a_{n-1}+9$ where $n\geq 2$ .

To find:

The explicit formula for the given recursive formula.

Solution:

We know that recursive formula of an AP is:

$a_n=a_{n-1}+d$

Where, d is the common difference.

We have,

$a_n=a_{n-1}+9$

Here, d=9.

The first term of the AP is $a_1=-4$ .

The explicit formula for an AP is:

$a_n=a_1+(n-1)d$

Substituting $a_1=-4$ and $d=9$ , we get

$a_n=-4+(n-1)9$

$a_n=-4+9n-9$

$a_n=-13+9n$

Therefore, the required explicit formula for the given sequence is $a_n=-13+9n$ .

6 0

3 years ago

What is the measure of angle 1?

Goryan [66]

The measure of angle 1 is 75°. Hope you get it.

3 0

3 years ago

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Sally has completed 1/3 of her shift; Jerry has completed 5/6 of his shift; David has finished 1/2 of his shift; Mona has 7/8 of

Step2247 [10]

Sally = 1/3
Jerry = 5/6
David = 1/2
Mona = 1 - 7/8 = 1/8

So, the biggest fraction among them is 5/6.

Jerry has completed the most work time.

3 0

3 years ago

What is 1/2 x 2/3 x 3/4

inna [77]

I believe the answer is 0.25

4 0

3 years ago

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Solve this equation 7x+3=5(x-3)+2x

zaharov [31]

Answer: nonsense

Step-by-step explanation:

7x+3=5(x-3)+2x

7x+3=5x-15+2x

7x+3-5x+15-2x=0

18=0

Non-sense

8 0

3 years ago