3 years ago

What is formed when polyatomic ions bond with other ions? ionic compounds neutral compounds ionic elements neutral elements

Mathematics

2 answers:

Andreyy893 years ago

9 0

Answer: A) Ionic compounds. :)

arlik [135]3 years ago

7 0

Answer:

iconic compounds

Step-by-step explanation:

shmexyElla

2 years ago

lol

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Trig identities how to prove 1- (sin^2x)/(1+cosx)= cosx

balu736 [363]

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Write an equation of the circle with center (4,5) and radius 9.

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Answer:

I'm going to write both of these because maybe you have a fill in the blank question. I don't know.

$(x-4)^2+(y-5)^2=9^2$

Simplify:

$(x-4)^2+(y-5)^2=81$

Step-by-step explanation:

$(x-h)^2+(y-k)^2=r^2$ is the equation of a circle with center (h,k) and radius r.

You are given (h,k)=(4,5) because that is the center.

You are given r=9 because it says radius 9.

Let's plug this in.

$(x-4)^2+(y-5)^2=9^2$

Simplify:

$(x-4)^2+(y-5)^2=81$

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Answer:

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Step-by-step explanation:

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Step-by-step explanation:

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