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Mathematics

1 answer:

umka21 [38]3 years ago

4 0

Answer:

people in Africa. African nations typically fall toward the bottom of any list measuring small size economic activity, such as income per capita or GDP per capita, despite a wealth of natural resources

Step-by-step explanation:

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the price of a sandwich is $1.50 more than the price of a smoothie,which is d dollars.What does the expression d+1.5 represent?

yuradex [85]

D + 1.5......with d being the price of a smoothie.....the expression would represent the total cost of one smoothie + one sandwich.

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3 years ago

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We were never taught this in class, and I understand it, kind of... but i'm just confused with everything.

GaryK [48]

$\bf \cfrac{x^3y}{xy^5}\cdot \cfrac{x^2y^9}{x^8}\implies \cfrac{x^3x^2y^1y^9}{x^1x^8y^5}
\\ \quad \\
\textit{now, using exponent rules, same base, different exponent}
\\ \quad \\
\cfrac{x^{3+2}y^{1+9}}{x^{1+8}y^5}\implies \cfrac{x^5y^{10}}{x^9y^5}\\
----------------------------\\$ $\bf \textit{now, keep in mind that}
\\ \quad \\
a^{-{ n}} \implies \cfrac{1}{a^{ n}}\qquad \qquad

\cfrac{1}{a^{ n}}\implies a^{-{ n}}
\\ \quad \\
% negative exponential denominator
a^{{ n}} \implies \cfrac{1}{a^{- n}}
\qquad \qquad 

\cfrac{1}{a^{- n}}\implies \cfrac{1}{\frac{1}{a^{ n}}}\implies a^{{ n}}
\\ \quad \\
thus\\
----------------------------\\
$ $\bf \cfrac{x^5y^{10}}{x^9y^5}\implies \cfrac{x^5y^{10}}{1}\cdot \cfrac{1}{x^9}\cdot \cfrac{1}{y^5}\implies x^5y^{10}\cdot x^{\boxed{-9}}\cdot y^{\boxed{-5}}
\\ \quad \\
x^5x^{-9}y^{10}y^{-5}\implies x^{5-9}y^{10-5}\implies x^{-4}y^5
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\cfrac{1}{x^{\boxed{4}}}\cdot \cfrac{y^5}{1}\implies \cfrac{y^5}{x^4}$

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3 years ago

120 is the product of — 12 and b

scZoUnD [109]

-10 is the correct answer

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2 years ago

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4/49 times 7/13 thank you

german

Answer:

0.04395604395

Step-by-step explanation:

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3 years ago

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Mark for review (Will be highlighted on the review page)

Paul [167]

Let's calculate how much do you spent paying monthly $165:
24*165=3960 ($)

If you pay cash you will spent $3438

The difference between those two is how much you save paying cash:
3960 - 3438 = 522 ($)

The answer is C.

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3 years ago