3 years ago

Complete this equation

Mathematics

2 answers:

Olenka [21]3 years ago

5 0

Answer:

(x-2)^2+(y+1)^2=16

STALIN [3.7K]3 years ago

4 0

Step-by-step explanation:

(x-h)^2 + (y-h)^2 =r^2

(x-2)^2 + (y+1)^2=4^2

(x-2)^2 + (y+1)^2=16----------Answer

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Answer:

b + g = 25

b = g + 3

Step-by-step explanation:

Let b = number of boys.

Let g = number of girls.

"Mrs. Smith has a total of 25 kids in her class."

b + g = 25

"There are 3 more boys than there are girls."

b = g + 3

The system of equations is:

b + g = 25

b = g + 3

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$\qquad \textit{Amount for Exponential Decay} \\\\ y=P(1 - r)^t\qquad \begin{cases} y=\textit{current amount}\\ P=\textit{initial amount}\dotfill &3100\\ r=rate\to r\%\to \frac{r}{100}\\ t=\textit{elapsed time}\\ \end{cases} \\\\\\ y = 3100(\stackrel{\stackrel{0.365}{\downarrow }}{1-\frac{r}{100}})^t\qquad \textit{this means that }\qquad 1-\cfrac{r}{100}=0.365 \\\\\\ -\cfrac{r}{100}=-0.635\implies r=(-100)(-0.635)\implies r=\stackrel{\%}{63.5}$

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Step-by-step explanation:

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3 years ago

Complete this equation ​

Complete this equation