4 years ago

Solve -(3+8n)=-6(2n+1)-5

Mathematics

1 answer:

34kurt4 years ago

8 0

Answer:

n= -2

Step-by-step explanation:

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<img src="https://tex.z-dn.net/?f=f%28x%29%20%3D%20%20%5Csqrt%7Bx%7D%20" id="TexFormula1" title="f(x) = \sqrt{x} " alt="f(x) =

Georgia [21]

Answer: $\dfrac{1}{2\sqrt x}$

<u>Step-by-step explanation:</u>

$\lim_{h \to 0} f(x)=\dfrac{f(x+h)-f(x)}{h}$

f(x) = $\sqrt x\\$

f(x+h) = $\sqrt{x+h}$

$\lim_{h \to 0} f(x)=\dfrac{\sqrt{x+h}-\sqrt x}{h}$

$=\dfrac{\sqrt{x+h}-\sqrt x}{h}\bigg(\dfrac{\sqrt{x+h}+\sqrt x}{\sqrt{x+h}+\sqrt x}\bigg)$

$=\dfrac{(x + h)-(x)}{h(\sqrt{x+h}+\sqrt x)}$

$=\dfrac{h}{h(\sqrt{x+h}+\sqrt x)}$

$=\dfrac{1}{\sqrt{x+h}+\sqrt x}$

$=\dfrac{1}{\sqrt{x+0}+\sqrt x}$

$=\dfrac{1}{2\sqrt x}$

4 0

4 years ago

If 64x=82, what is the value of x?<br> Round your answer to three places.

labwork [276]

Answer:

1.28

Step-by-step explanation:

First, you need to do 82/64, which will give you just x. Then, you need to round to three places. Without rounding it would be 1.28125

So with rounding it would be 1.28. Hope this helps and Happy learning!

3 0

3 years ago

What is the y-intercept of the function f(x) = -x + ? 이름 를 0 3

ad-work [718]

Answer:

C. ⅓

Step-by-step explanation:

A function in slope-intercept form is written as $f(x) = mx + b$

Here, b represents the y-intercept.

So given the function, $f(x) = -\frac{2}{9}x + \frac{1}{3}$ , the y-intercept (b) would obviously be ⅓.

y-intercept = ⅓

7 0

3 years ago

What are two decimals to 0.9

andrew-mc [135]

A few decimals that round to 0.9 are 0.91, 0.92, 0.93, 0.94

Hope that helps :)

6 0

3 years ago

Read 2 more answers

Note: Enter your answer and show all the steps that you use to solve this problem in the space provided.

lbvjy [14]

Answer:

Step-by-step explanation:

6 0

3 years ago