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ICE Princess25 [194]
2 years ago
9

Math on khan academy

Mathematics
1 answer:
IRINA_888 [86]2 years ago
5 0
The answer is b I believe
You might be interested in
Factor this expression completely ab + 4 + a + 4b
MrRa [10]
   
ab + a + 4b+4 = a(b+1) + 4(b+1) = (b +1)(a + 4)



5 0
3 years ago
Pls help if u can ! For brainly
fredd [130]

Answer:

5/8

Step-by-step explanation:

1/4+3/8=5/8

6 0
3 years ago
HELPPP ASAP 10 POINTSS
Free_Kalibri [48]
It should be 4 because 1.5 * 4 will give you 6
3 0
3 years ago
Select the correct answer.
Aleks [24]
She should use a dot plot because there are various numbers and they aren’t completely far apart meaning it is easier.
8 0
2 years ago
What are all values of x for which the series shown converges? ​
adoni [48]

Answer:

One convergence criteria that is useful here is that, if aₙ is the n-th term of this sequence, then we must have:

Iaₙ₊₁I < IaₙI

This means that the absolute value of the terms must decrease as n increases.

Then we must have:

\frac{(x -2)^n}{n*3^n} > \frac{(x -2 )^{n+1}}{(n + 1)*3^{n+1}}

We can write this as:

\frac{(x -2)^n}{n*3^n} > \frac{(x -2 )^{n+1}}{(n + 1)*3^{n+1}} = \frac{(x -2)^n}{(n + 1)*3^n} * \frac{(x - 2)}{3}

If we assume that n is a really big number, then:

n + 1 ≈ 1

And we can write:

\frac{(x -2)^n}{n*3^n} > \frac{(x -2)^n}{(n)*3^n} * \frac{(x - 2)}{3}

Then we have the inequality

1 > (x - 2)/3

And remember that this must be in absolute value, then we will have that:

-1 < (x - 2)/3 < 1

-3 < x - 2 < 3

-3 + 2 < x < 3 + 2

-1 < x < 5

The first option looks like this, but it uses the symbols ≤≥, so it is not the same as this, then the correct option will be the second.

5 0
2 years ago
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