HELP WITH MY ANNOYING MIDDLE SCHOOL MATH PLEASEEEEEE!!!!!! WILL GIVE BRAINLIEST!!!!!

Mathematics

2 answers:

AlladinOne [14]3 years ago

6 0

Answer:

I cant see the question its very blurry

Step-by-step explanation:

NeX [460]3 years ago

4 0

A. Formula: 2r
Radius x 2 is the diameter
Answer: so multiply 5x2 and get 10 inches diameter
B. Formula: C=2πr
Circumference is 2 x pi x radius
Answer: multiply 2 x π x 5 to get a circumference of 31.41593 which you should probably write simplified as 31.42
Side Note: Hoping I can get that brainliest lol

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Does the point (-4, 2) lie inside or outside or on the circle x^2 + y^2 = 25?

stiv31 [10]

Given equation of the Circle is ,

$\sf\implies x^2 + y^2 = 25$

And we need to tell that whether the point (-4,2) lies inside or outside the circle. On converting the equation into Standard form and determinimg the centre of the circle as ,

$\sf\implies (x-0)^2 +( y-0)^2 = 5 ^2$

Here we can say that ,

• Radius = 5 units

• Centre = (0,0)

Finding distance between the two points :-

$\sf\implies Distance = \sqrt{ (0+4)^2+(2-0)^2} \\\\\sf\implies Distance = \sqrt{ 16 + 4 } \\\\\sf\implies Distance =\sqrt{20}\\\\\sf\implies\red{ Distance = 4.47 }$

Here we can see that the distance of point from centre is less than the radius.

Hence the point lies within the circle .

5 0

3 years ago

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What is the answers to 3 G and H and 4 B C D and E and 6

olchik [2.2K]

I did this with a pencil and no calculator while my daughter was practicing her driving. Please let me know if you have trouble reading it. You'll have to add the calculator stuff yourself.