All categories

3 years ago

I need help please =)

Mathematics

2 answers:

hammer [34]3 years ago

6 0

Answer:

Step-by-step explanation:

111÷4=27.75

Hope this helps!

enot [183]3 years ago

3 0

Answer:

Step-by-step explanation:

111/4 = 27

You might be interested in

Since water weighs 8.355 pounds to the gallon how much do 9.4 gallons weigh?

BabaBlast [244]

Answer:78.396 pounds

Step-by-step explanation:

3 0

3 years ago

What is (13x + 9k) + (17x + 6k), simplified?

Mazyrski [523]

The answer is 15x+30k

7 0

3 years ago

(English to algebra) twice K results in three times the sum of k plus one

babymother [125]

i believe its 2k= 3(k+1)

8 0

4 years ago

Need help with Calculus 1 inverse trig functions

lidiya [134]

Answer:

$\displaystyle y'=3\frac{1+\frac{x}{\sqrt{1+x^2}}}{2+2x^2+2x\sqrt{1+x^2}}$

Step-by-step explanation:

<u>The Derivative of a Function</u>

The derivative of f, also known as the instantaneous rate of change, or the slope of the tangent line to the graph of f, can be computed by the definition formula

$\displaystyle f'(x)=\lim\limits_{\Delta x \rightarrow 0}\frac{f(x+\Delta x)-f(x)}{\Delta x}$

There are tables where the derivative of all known functions are provided for an easy calculation of specific functions.

The derivative of the inverse tangent is given as

$\displaystyle (tan^{-1}u)'=\frac{u'}{1+u^2}$

Where u is a function of x as provided:

$y=3tan^{-1}(x+\sqrt{1+x^2})$

If we set

$u=(x+\sqrt{1+x^2})$

Then

$\displaystyle u'=1+\frac{2x}{2\sqrt{1+x^2}}$

$\displaystyle u'=1+\frac{x}{\sqrt{1+x^2}}$

Taking the derivative of y

$y'=3[tan^{-1}(x+\sqrt{1+x^2})]'$

Using the change of variables

$\displaystyle y'=3[tan^{-1}u]'=3\frac{u'}{1+u^2}$

$\displaystyle y'=3\frac{u'}{1+u^2}=3\frac{1+\frac{x}{\sqrt{1+x^2}}}{1+(x+\sqrt{1+x^2})^2}$

Operating

$\displaystyle y'=3\frac{1+\frac{x}{\sqrt{1+x^2}}}{1+x^2+2x\sqrt{1+x^2}+1+x^2}$

$\boxed{\displaystyle y'=3\frac{1+\frac{x}{\sqrt{1+x^2}}}{2+2x^2+2x\sqrt{1+x^2}}}$

8 0

3 years ago

Puzzle 5

sineoko [7]

Answer:

Hey did you get the answer to it please let me know girly

Step-by-step explanation:

8 0

3 years ago