3 years ago

How do I make people brainliest

Mathematics

2 answers:

Cloud [144]3 years ago

7 0

i dont know

blah blah blah blah blah blah blah blah blah blah blah blah

lianna [129]3 years ago

5 0

Answer:

you have to wait until two people answer then you click their answer to make them brainliest

Step-by-step explanation:

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What is the equation of the circle whose diameter has endpoints (8,-2) and (-2,6)?

klemol [59]

Answer:

$(x-3)^{2} +(y-2)^{2}=41$

Step-by-step explanation:

step 1

Find the diameter of the circle

the formula to calculate the distance between two points is equal to

$d=\sqrt{(y2-y1)^{2}+(x2-x1)^{2}}$

we have

$A(8,-2)\\E(-2,6)$

substitute the values

$d=\sqrt{(6+2)^{2}+(-2-8)^{2}}$

$d=\sqrt{(8)^{2}+(-10)^{2}}$

$d=\sqrt{164}\ units$

$d=2\sqrt{41}\ units$

step 2

Find the center of the circle

The center is the midpoint of the diameter

The center is equal to

$C=(\frac{8-2}{2},\frac{-2+6}{2})$

$C=(3,2)$

step 3

Find the equation of the circle

The equation of the circle in center radius form is equal to

$(x-h)^{2} +(y-k)^{2}=r^{2}$

we have

(h,k)=(3,2)

$r=2\sqrt{41}/2=\sqrt{41}\ units$ ---> the radius is half the diameter

substitute

$(x-3)^{2} +(y-2)^{2}=(\sqrt{41})^{2}$

$(x-3)^{2} +(y-2)^{2}=41$

4 0

3 years ago

Please help me solve this.

Vlada [557]

Answer:

<h2>I think that is a FORMULA.</h2>

it can't be solved if we don't know the values of atleast one of the x and y.

Hope this helps.

Good luck ✅.

8 0

2 years ago

Approximately what portion of the box is shaded blue?<br><br> A.2/3. B.9/10<br> C.3/5

vaieri [72.5K]

It is 9/10 as the others are too small

8 0

2 years ago

During the summer months, science center tickets are 3 for $36.75 and zoo tickets are 4 for $51.00. How much will a group of 12

german

The science group will save $6 dollars

5 0

3 years ago

Which decimal is closest in value to the fraction below 1/9 ?<br>a) 0.111<br>b) .33333<br>c) 0.7

frosja888 [35]

1/9=0.11111.....
so the correct option is (a).

7 0

3 years ago

Read 2 more answers

How do I make people brain￼liest

How do I make people brainliest