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3 years ago

Solve for y! I need help ASAP. PLEASE

Mathematics

2 answers:

VARVARA [1.3K]3 years ago

8 0

Answer:

where is the question?

Step-by-step explanation:

Effectus [21]3 years ago

3 0

Answer:

y = 2

Step-by-step explanation:

The way you solve this is you transform it until one side of the equation is just "y"

3y + 2 = 8 ; subtract 2 from both sides

3y = 6 ; divide both sides by 3

y = 2

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If f (n)(0) = (n + 1)! for n = 0, 1, 2, , find the taylor series at a=0 for f.

Pie

Given that $f^{(n)}(0)=(n+1)!$ , we have for $f(x)$ the Taylor series expansion about 0 as

$f(x)=\displaystyle\sum_{n=0}^\infty\frac{(n+1)!}{n!}x^n=\sum_{n=0}^\infty(n+1)x^n$

Replace $n+1$ with $n$ , so that the series is equivalent to

$f(x)=\displaystyle\sum_{n=1}^\infty nx^{n-1}$

and notice that

$\displaystyle\frac{\mathrm d}{\mathrm dx}\sum_{n=0}^\infty x^n=\sum_{n=1}^\infty nx^{n-1}$

Recall that for $|x|$ , we have

$\displaystyle\sum_{n=0}^\infty x^n=\frac1{1-x}$

which means

$f(x)=\displaystyle\sum_{n=1}^\infty nx^{n-1}=\frac{\mathrm d}{\mathrm dx}\frac1{1-x}$
$\implies f(x)=\dfrac1{(1-x)^2}$

5 0

3 years ago

Please give an answer and solution.

kvv77 [185]

Using proportions, it is found that 78 students would prefer long jump.

<h3>What is a proportion?</h3>

A proportion is a fraction of a total amount, and the measures are related using a rule of three.

Out of 300 students, 26% would prefer long jump, hence the amount is given by:

n = 0.26 x 300 = 78 students.

More can be learned about proportions at brainly.com/question/24372153

#SPJ1

8 0

2 years ago

Which of the following equations expresses the relationship between x and y in the table below ?

Aleksandr-060686 [28]

The answer is y = 3x + 5
explanation : if you substitute the x in the equation for 0 and the y for 5 then solve/simplify. if you’re still not sure you can try the next one and substitute x for 2 and y for 11. you’ll see that y and x will equal each other. hope this helps:)

3 0

3 years ago

Read 2 more answers

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coldgirl [10]

Answer:

just divide 120 divided by 30 is 4 I know it right bc I had the same question on into math if thats what you were on

Step-by-step explanation:

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4 years ago

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elixir [45]

Answer: 1/4-(2/3+1/2)

Step-1/4-by-step explanation:

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3 years ago