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3 years ago

1+1^22+9^1=? Please help!

Mathematics

2 answers:

german3 years ago

8 0

1+1^22+9^1=?

1^22 = 1

9^1 =9

1 + 1 + 9

ratelena [41]3 years ago

5 0

1 + $1^{22}$ + $9^{1}$ = ?

So solving math problems, always use PEMDAS

PEMDAS is the Order of Operations

It stands for Parenthesis, Exponents, Multiplication, Division, Addition, Subtraction.

An easy way to remember PEMDAS is Please Excuse My Dear Aunt Sally

So, in this problem, since there are no Parenthesis (), you got to Exponents.

$1^{22}$ is equal to 1 because all you do is multiply 1 by itself 22 times

$9^{1}$ is equal to 9 because all you do is multiply 9 by 1, in other words, you dont do anything to it

So, 1 + 1 + 9 = 11

Your answer is 11

Hope this helps

-GoldenWolfX

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Question 12 (2 points)

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A box plot is drawn with end points at 24 and 49.The box extends from 28 to 44 and a vertical line is drawn inside the box at 34.

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2 years ago

For each of the following vector fields F , decide whether it is conservative or not by computing curl F . Type in a potential f

Phantasy [73]

The key idea is that, if a vector field is conservative, then it has curl 0. Equivalently, if the curl is not 0, then the field is not conservative. But if we find that the curl is 0, that on its own doesn't mean the field is conservative.

$\mathrm{curl}\vec F=\dfrac{\partial(5x+10y)}{\partial x}-\dfrac{\partial(-6x+5y)}{\partial y}=5-5=0$

We want to find $f$ such that $\nabla f=\vec F$ . This means

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$\implies\boxed{f(x,y)=-3x^2+5xy+5y^2+C}$

so $\vec F$ is conservative.

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Then

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so $\vec F$ is conservative.

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so $\vec F$ is not conservative.

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