how many atoms are present in 2mg and o2

Answers 1

Answer:

6 I think tell whether my answer is correct or not

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IN FIG. ABIICD,FIND THE VALUE OF X​
question img

Answer:

180-30=150

x=2×150=300

if a+b=10 qnd ab=16 ,find the value of a²-ab+b² and a²+ab+b²

Given,

⇒a+b=10

⇒ab=16

⇒(a+b)

2

=a

2

+b

2

+2ab

⇒10

2

=a

2

+b

2

+2(16)

∴a

2

+b

2

=68

⇒a

2

+b

2

+ab=68+16=84

⇒a

2

+b

2

−ab=68−16=52

Step-by-step explanation:

Given : a+b = 10 & ab = 16

(a+b)^2= a^2+2ab+b^2

10^2= a^2+2×16+b^2

100=a^2+32+b^2

a^2+b^2=100-32

a^2+b^2=68

Substituting the value of a^2+b^2=68 in a^2-ab+b^2

a^2+b^2-ab

=68-16

=52

Now, substituting the value of a^2+b^2=68 in a^2+ab+b^2

a^2+b^2+ab

=68+16

=84

what is culture.......,....​

Answer:

Culture can be defined as all the ways of life including arts, beliefs and institutions of a population that are passed down from generation to generation.

hii

Which best describes the author's purpose in writing the SIXTH paragraph? (a) He is describing fears related to transportation and the Y2K bug. (b) He is informing readers of how computers help people. (c) He is explaining how a terrorist attack affected America on 9/11. (d) He is persuading readers to back up their computer storage.​

Explanation:

4th one is m9re describing

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