3 years ago

Math Simplify the expression

1 answer:

4 0

$\bf \cfrac{1}{x-10}\div\cfrac{9x}{x^2-9x-10}\implies \cfrac{1}{x-10}\cdot \cfrac{x^2-9x-10}{9x} \\\\\\ \cfrac{1}{\begin{matrix} x-10 \\[-0.7em]\cline{1-1}\\[-5pt]\end{matrix} }\cdot \cfrac{\begin{matrix} (x-10) \\[-0.7em]\cline{1-1}\\[-5pt]\end{matrix}~~(x+1)}{9x}\implies \cfrac{x+1}{9x}$

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50 points

mixas84 [53]

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Step by step explanation

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Suppose the CPI increases this year from 208 to 221. What is the rate of inflation for this year? Round your answer to the neare

guajiro [1.7K]

SOLUTION:

We are to find the rate of inflation in the given question;

The formula to be used is;

Inflation rate =

$\frac{\text{CPI}_{present}-CPI_{previous}}{CPI_{previous}_{}}\text{ X 100}$ $\begin{gathered} \frac{221-208}{208}\text{ X }\frac{100}{1} \\ \\ \frac{13}{208}X\frac{100}{1} \\ \\ 6.25\text{ \%} \\ 6.3\text{ \% (nearest tenth of a percentage)} \end{gathered}$

CONCLUSION

The inflation rate of CPI that increased from 208 to 221 to the nearest tenth of a percentage is 6.3%.

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1 year ago

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Taya2010 [7]

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3 years ago

Help this question has time please its myfinal exam

Zarrin [17]

Answer:

$(x,y) = (-0.5,0.5)$

Step-by-step explanation:

Given

See attachment

Required

The solution

The solution is at the point where the two lines meet.

The lines meet at:

$x = -0.5$ and $y = 0.5$

So, the solution is:

$(x,y) = (-0.5,0.5)$

4 0

2 years ago

Math Simplify the expression ​

Math Simplify the expression