3 years ago

-25 Points-

Mathematics

1 answer:

Elden [556K]3 years ago

7 0

Answer:

(x+1)^2+(y+1)^2=13

Step-by-step explanation:

Equation of a circle: (x – h)^2 + (y – k)^2 = r^2

center: (-1, -1)

radius: sqrt(6^2+4^2)/2=sqrt(52)/2=2sqrt(13)/2=sqrt(13)

Substitute those values in to get

(x+1)^2+(y+1)^2=13

You might be interested in

The world population is projected to be 6.7 billion in 2040. At that time, there are expected to be approximately 2 billion mor

Charra [1.4K]

$\bf \begin{cases}
s=\textit{Asia's population}\\
a=\textit{Africa's population}\\
r=\textit{rest of the world}\\
----------\\
\boxed{s}=a+2\\
\boxed{r}=\frac{s}{2}+0.2
\end{cases}\implies 
\begin{array}{llll}
s+a+r=6.7\\\\
\boxed{a+2}+a+\boxed{\cfrac{s}{2}+0.2}=6.7\\\\
a+2+a+\cfrac{\boxed{a+2}}{2}+0.2=6.7
\end{array}$

solve for "a", to see what Africa's population will then be

5 0

3 years ago

What's the surface area of the square pyramid?? <br><br> Please someone answer fast

Eddi Din [679]

Answer:

Step-by-step explanation:

The base/square:

3*3 = 9

The sides:

(3*4)/2 = 6

4 sides:

6*4 = 24

Total:

24+9=33

8 0

3 years ago

??help me please now

mel-nik [20]

Answer:

x^2+10x+24

Step-by-step explanation:

(x+6)×(x+4)

=x^2+4x+6x+24

=x^2+10x+24 (ans)

7 0

3 years ago

Which three lengths could be of the sides of a triangle?

zvonat [6]

Answer:

Step-by-step explanation:

4 0

3 years ago

What is the definition for compound interest

Vitek1552 [10]

Compound interest is the addition of interest to the principal sum of a loan or deposit, or in other words, interest on interest.

8 0

3 years ago