M

Mathematics

1 answer:

Zinaida [17]3 years ago

4 0

Answer:

M Because the evolution of algebraic combinations is disordered and Fibonacci is wrong

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How do I factor (x^2 + 1)^1/2 +2(x^2 + 1)^1/2

professor190 [17]

$(x^{2} + 1)^{ \frac{1}{2}} + 2((x^{2} + 1)^{ -\frac{1}{2}}) \\\\ Take \ out \ (x^{2} + 1)^{ \frac{1}{2}} \ like \ so: \\\\ (x^{2} + 1)^{ \frac{1}{2}}(1 + 2(x^{2} + 1)^{ -1}) \\\\ = (x^{2} + 1)^{ \frac{1}{2}}(1 + \frac{2}{(x^{2} \ + \ 1)}) \\\\ = (x^{2} + 1)^{ \frac{1}{2}}(\frac{2 \ + \ (x^{2} \ + \ 1)}{(x^{2} \ + \ 1)}) \\\\ = (x^{2} + 1)^{ \frac{1}{2}}(\frac{(x^{2} \ + \ 3)}{(x^{2} \ + \ 1)}) \\\\ = \frac{(x^{2} \ + \ 1)^{ \frac{1}{2}}(x^{2} \ + \ 3)}{(x^{2} \ + \ 1)} \\\\$
This is what I would think to do with such an expression;
It should be alright to leave it as it is on the last line as this should be its simplest form;
But, you could write it out as:
$\frac{(x^{2} \ + \ 3)}{(x^{2} \ + \ 1)^{ \frac{1}{2}}} \\\\
= \frac{(x^{2} \ + \ 3)}{ \sqrt{(x^{2} \ + \ 1)}}$

5 0

3 years ago

Line segment AB is dilated to create line segment A'B' using point Q as the center of dilation. What is the scale factor?

lorasvet [3.4K]

<h2><u>Answer:</u></h2>

The distance from point Q to point A is 1.25

The distance from point A to point A' is 1.25

The distance from point Q to point A' is 2.50. This is twice the distance from point Q to point A.

The scale factor is 2.

1.25 + 1.25 = 2.50

2.50 / 1.25 = 2

5 0

3 years ago

What is the sum of the degrees of the interior angles of a 19-gon?

emmasim [6.3K]

Sum of interior angles formula = (n-2) x 180
where n = number of sides

so,
( 19-2 ) x 180
= 17 x 180
= 3060

ans : A

hope it helps :)

7 0

4 years ago

Jane deposits $600 in her new savings account. She consistently deposits the same amount (x) into the account each month. At the

alex41 [277]

Answer:

its b and e

Step-by-step explanation:

i took the test

6 0

3 years ago

Read 2 more answers

What is one hundred twenty four percent

never [62]

124% as a decimal:
100% is 1 and 24% is 0.24.
So 124% is 1.24 as a decimal.

124% as a mixed number:
100% is 1 and 24% is 24/100.
To find 124% as a mixed number, simplify 24/100 and add it to 1.
24/100 = 12/50 = 6/25
So 124% as a mixed number is 1 and 6/25.

124% as an improper fraction:
To make 124% an improper fraction, just make the 1 a fraction with the same denominator as 6/25 and add.
1 = 1/1 = 25/25
25/25 + 6/25 = 31/25
So 124% is 31/25 as an improper fraction.

Hope this helps :)

5 0

4 years ago