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3 years ago

Can the absoulute value of a number ever be a negative number?

Mathematics

2 answers:

bonufazy [111]3 years ago

6 0

No they can not be a negative number

Alecsey [184]3 years ago

4 0

Answer:

An absolute value of a number is never a negative number.

Step-by-step explanation:

An absolute value of a number describes the distance of a number on a numberline from 0 without considering which direction from 0 the number is.

Hope this helps

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The sum of three numbers is 50 . The second number is 2 times the third. The third number is 10 more than the first. What are th

MAVERICK [17]

The numbers are 5,30,15

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3 years ago

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

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

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3 years ago

Solve using standard algorithm 57.03+2.08

Rom4ik [11]

Answer:

59.08

Step-by-step explanation:

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3 years ago

Which statement describes the first step to solve the equation by completing the square?

BabaBlast [244]

Take 16x divide it by 2 and square it. 16/2= 8. 8^2= 64. So, the first step will be to add 64 to both sides.

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3 years ago

If a rocking horse has the weight limit of 60 pounds what is 95% of the limit

Eduardwww [97]

Answer:

57 pounds

Step-by-step explanation:

I Turned 95% into a decimal, Hmm- Which would be 0.95, then I multiplied it by 60 pounds, which equals 57 pounds.

- CAT NOIR

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3 years ago

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