4 years ago

What is the Square root of -72?

Mathematics

1 answer:

professor190 [17]4 years ago

8 0

Answer: Search Results

Square root(-72) =

8.48528137

Step-by-step explanation:

You might be interested in

The sum of eight and twice a number is 42

saveliy_v [14]

Answer:

8 + 2n = 42

Step-by-step explanation:

the sum of eight: ___+ 8

and twice(2) a number(could be any variable but for now i choose n): <u>2n</u> + 8

is 42 (literally mean it equals 42): <u>2n</u> + 8 = 42

4 0

3 years ago

What is the sum of (2x4 + 5x3 - 8x2 - x + 10) and (8x4 - 4x3 + x2 - x + 2)?

balu736 [363]

Option D: $10x^4+x^3-7x^2-2x+12$ is the right answer

Step-by-step explanation:

Given polynomials are:

$P_1 : 2x^4+5x^3-8x^2-x+10\\P_2: 8x^4-4x^3+x^2-x+2$

We have to find the sum of polynomials

So,

$S = P_1+P_2\\= (2x^4+5x^3-8x^2-x+10) + (8x^4-4x^3+x^2-x+2)\\=2x^4+5x^3-8x^2-x+10+8x^4-4x^3+x^2-x+2\\$

Combining like terms

$=2x^2+8x^4+5x^2-4x^3-8x^2+x^2-x-x+10+2\\= 10x^4+x^3-7x^2-2x+12$

Hence,

Option D: $10x^4+x^3-7x^2-2x+12$ is the right answer

Keywords: Polynomials, sum

Learn more about polynomials at:

#LearnwithBrainly

3 0

3 years ago

Read 2 more answers

Which two functions are inverses of each other? A. f(x) = x, g(x) = –x B. f(x) = 2x, g(x) = -1/2x C. f(x) = 4x, g(x) = 1/4x D. f

Archy [21]

B. f(x)=2x, g(x)= -1/2x. Hope this helps. :-)

3 0

4 years ago

Read 2 more answers

The line shown above has a y-intercept of? I need help fast please

Amiraneli [1.4K]

Answer:

y-intercept is 1

Step-by-step explanation:

The line connects to the y-axis at 1

6 0

2 years ago

What is the sum of 7.8 and 7.02

Neporo4naja [7]

The sum of
7.8 and 7.02 would be
14.82

because
7.8
+7.02
------------
14.82

hope this helps :)

4 0

4 years ago

Read 2 more answers