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fiasKO [112]
3 years ago
5

a woman buys a pair of shoes at a sale.she pays $60,saving $15 on the regular price.The percentage discount on the shoe is​

Mathematics
1 answer:
AleksandrR [38]3 years ago
6 0
20% because 75 is the total price and 75 over 15 is 5 and 100 divided by 5 is 20
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An example of Power of a Power Property
ella [17]
Power of a power as applied to exponents is the following:

The power of a power is the product of the exponents, or

(x^a)^b = x^(ab)

For example
(5^2)^3=5^(2*3)=5^6=15625
3 0
3 years ago
Cynthia invests some money in a bank which pays 5% compound interest per year. She wants it to be worth over £8000 at the end of
Agata [3.3K]

\bf \qquad \textit{Compound Interest Earned Amount}\\\\A=P\left(1+\frac{r}{n}\right)^{nt}\quad \begin{cases}A=\textit{accumulated amount}\to &8000\\P=\textit{original amount deposited}\\r=rate\to 5\%\to \frac{5}{100}\to &0.05\\n=\begin{array}{llll}\textit{times it compounds per year}\\\textit{is only once, so}\end{array}\to &1\\t=years\to &3\end{cases}

\bf 8000=P\left(1+\frac{0.05}{1}\right)^{1\cdot 3}\implies 8000=P(1.05)^3\implies \cfrac{8000}{1.05^3}=P\\\\\\6910.70\approx P\implies  \stackrel{\textit{rounded up}}{6911 = P}\qquad  therefore\qquad 6911~~\leqslant ~~P

6 0
3 years ago
(9, -4); slope =-2/3<br><br> PLEASE HELP
kupik [55]

Answer: next point would be (12,-6)

Step-by-step explanation:

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5 0
3 years ago
How to solve for x and y? Cant figure out how to make an equation?
Nady [450]
8y-4x=2x+12y
x+2y+8y-4x=180
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y=15
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7 0
3 years ago
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Vesna [10]

Answer:

C

Step-by-step explanation:

One side is 60 so the other side is 60

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4(20)-20=60

60=(4(20)-20)

60=80-20

60=60

kinda got a bit dum

8 0
2 years ago
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