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emmasim [6.3K]
2 years ago
11

How to simply ((4/x)-2)/((1/x)+3)

Mathematics
1 answer:
Galina-37 [17]2 years ago
8 0

\cfrac{~~ \frac{4}{x}-2~~}{\frac{1}{x}+3}\implies \cfrac{~~ \frac{4-2x}{\underset{\textit{using this LCD}}{x}}~~}{\frac{1 + 3x}{\underset{\textit{using this LCD}}{x}}}\implies \cfrac{4-2x}{~~\begin{matrix} x \\[-0.7em]\cline{1-1}\\[-5pt]\end{matrix}~~ }\cdot \cfrac{~~\begin{matrix} x \\[-0.7em]\cline{1-1}\\[-5pt]\end{matrix}~~ }{1+3x}\implies \cfrac{2(2-x)}{1+3x}

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How can i find The function of f(x) = 150 (1.3)^t
natka813 [3]

Answer:

See below.

Step-by-step explanation:

In comments, you said you wanted it graphed.

If it says f(x) on the left side, the equation should have an 'x' on the right side, so something is fishy here.

But, in an effort to try and help you ....

With the data you have given, I would graph it just like y = 150 (1.3)^x

You can pick various values for x, like -3,-2,-1,0,1,2,3 and see what y is for each one, then plot the points on graph paper.

If x = 0, y= 150(1.3)^0 = 150(1) = 150  because anything to power zero is 1

If x = -1, y= 150(1.3)^(-1) = 150(1/1.3) ≈ 132.7

If x = +1, y= 150(1.3)^(1) = 150(1.3) = 195

And so on.

I did the graph on DESMOS and it has a very large scale.

4 0
3 years ago
Is the product of two mixed numbers less than one factor but greater than the other factor
tamaranim1 [39]
No I think it is the opposite. Hope this helps.
4 0
3 years ago
Describe the error in the work below.
TiliK225 [7]

x should be the subject

8 0
3 years ago
Read 2 more answers
What is the domain, range, and is it a function?
jarptica [38.1K]

Answer:

Domain is 8 range is 2

Step-by-step explanation:

And if it passes the vehicle line test it is a function

3 0
3 years ago
The ratio of the radii of two distinct spheres is 3:4. what is the ratio of their respective surface areas?
Naya [18.7K]

Hey , here is the answer to ur question.....!
Given: Radii is in the ratio 3:4
To find : ratio of Surface area of the two distinct spheres
Solution: Surface area of a sphere =4* pi *r^2
=>(3/4)^2=9/16
Therefore , the ratio of the areas of teh two distinct spheres=9:16
Hope this helps u!!!!!!.........

7 0
3 years ago
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