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lawyer [7]
3 years ago
12

Answer.

Mathematics
2 answers:
Cloud [144]3 years ago
8 0

Answer:

1. All matter are made up of atoms, which are indivisible

2. All atoms of the same element are identical; different elements have different types of atom.

3. Atoms can neither be destroyed nor created

4. Compounds are combinations of two or more different types of atoms.

Rutherford-Bohr Model

Step-by-step explanation:

Hope this helps

Neporo4naja [7]3 years ago
4 0

Answer:

a. all matter is made of atoms

b. atoms are indivisible and indestructible

c. atoms of given elements are identical in mass and properties

d. compounds are combination of 2> different types of atoms

2. it's called Planetary model

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What’s the correct answer for this?
slava [35]

Answer:

1/4

Step-by-step explanation:

Let's denote the probabilities as following:

Probability that a teenager has a sister:

P(A) = 12/28

Probability that a teenager has a brother:

P(B) = 7/28

Probability that a teenager has both a sister and a brother:

P(A⋂B) = 3/28

Probability that a selected teenager has a sister also has a brother, or in other words, he/she has a brother, given he/she had a sister:

P(B|A)

Let's apply the formula of conditional probability to work out P(B|A)

P(B|A) = P(A⋂B)/P(A) = (3/28)/(12/28) = (3*28)/(12*28) = 3/12 = 1/4

=> Option C is correct

Hope this helps!

7 0
3 years ago
Solve 7y-6=2y+8 show clear algebraic working
aniked [119]
1) subtract 2y in both sides: (7y-2y)-6=(2y-2y)+8 which is 5y-6=8
2) Add 6 to both sides: 5y(-6+6)=8+6 which is 5y=14
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5 0
3 years ago
Read 2 more answers
what percentage of discount should be in a watch costing Rs 270 Such that a custumer can by Rs 243 ?​
castortr0y [4]

Answer:

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Step-by-step explanation:

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3 years ago
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1.14 x 10^7/ 3.8 x 10^-7=
Kamila [148]

Answer:

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Step-by-step explanation:

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8 0
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Answer:

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Step-by-step explanation:

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