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stiv31 [10]
3 years ago
12

1. Why are scientists often uncomfortable with the term, "facts"?

SAT
2 answers:
Sati [7]3 years ago
3 0

Answer:

A fact is an observation that is proven to be true, but in since there is a level of uncertainty. which means nothing is ever scientifically "true".

frutty [35]3 years ago
3 0

A scientific fact is a repeatable careful observation or measurement (by experimentation or other means), also called empirical evidence. These are central to building scientific theories.

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The density of a cube that measures 1.00 cm on each side and has a mass of 2.0g is __.
Pavlova-9 [17]
  • Side=1cm

\\ \sf\longmapsto Volume=side^3=1^3=1cm^3

  • Mass=2g

\\ \sf\longmapsto Density=\dfrac{Mass}{Volume}

\\ \sf\longmapsto Density=\dfrac{2}{1}

\\ \sf\longmapsto Density=2g/cm^3

3 0
2 years ago
The only reason her husband did not consult her about her business was that she did not wait to be consulted. What role does the
Alexus [3.1K]
The answer is c I hope this helps
6 0
3 years ago
What are the coefficients for the binomial expansion of (a b)3? 1, 4, 6, 4, 1 1, 1 1, 2, 1 1, 3, 3, 1
Advocard [28]

The coefficients for the binomial expansion of (a + b)³ are 1, 3, 3, 1.

We have,

The binomial expansion (a + b)³,

So,

Now,

We know that,

Formula for binomial expansion,

i.e.

(u + v)ⁿ = ⁿC₀ · uⁿ · v⁰ + ⁿC₁ · uⁿ⁻¹ · v¹ + ⁿC₂ · uⁿ⁻² · v² + ⁿC₃ · uⁿ⁻³ · v³

Now,

According to the question,

Here,

u = a,

v = b,

And, n =3

Now,

Putting values,

i.e.

(a + b)³ = ³C₀ · a³ · b⁰ + ³C₁ · a³⁻¹ · b¹ + ³C₂ · a³⁻² · b² + ³C₃ · a³⁻³ · b³

We get,

(a + b)³ = ³C₀ · a³ · b⁰ + ³C₁ · a² · b¹ + ³C₂ · a¹ · b² + ³C₃ · a⁰ · b³

Now,

Using combination formula,

^{n} C_{r} = \frac{n!}{r!(n-r)!}

On solving we get,

(a + b)³ = a³ + 3 a² b + 3 a b² + b³

So,

Now,

The coefficients of :

a³ = 1,

3a²b = 3,

3ab² = 3,

b³ = 1,

So,

The coefficients of the given binomial expansion are 1, 3, 3, 1.

Hence we can say that the coefficients for the binomial expansion of (a + b)³ are 1, 3, 3, 1.

Learn more about binomial expansion here

brainly.com/question/3632340

#SPJ4

4 0
1 year ago
Can a puddle of water erode soil yes or no ASAP.
Radda [10]

Answer:

Puddles of water seen after a rainstorm that are clouded with sediment suggest erosion is occurring whereas puddles of clear water are a sign of minimal erosion. Lighter colored soil seen overtime is also a sign of erosion but can be more difficult to identify.

3 0
3 years ago
Read 2 more answers
A 10 kg ball is traveling at the same speed as a 1 kg ball. Compared to the 10 kg ball, the 1 kg ball has A) the same momentum B
vichka [17]

Answer:

I think it is D

Explanation:

7 0
3 years ago
Read 2 more answers
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