SAT College

what is unit of relative density ​

Answers

Answer 1

Answer:

no unit of

Explanation:

relative density

Answer 2

Answer:

It has no unit.

Explanation:

Relative density is a ratio of congruent quantities and is dimensionless. The ratio of a substance's density to the density of water at 40 C is known as relative density. The numerator and denominator cancel each other out since the units for both are the same. So, there are no units for relative density.

Related Questions

A statistics student wishes to gather a sample of high school seniors for his project. He numbers each class of senior
English and selects one class at random. He then interviews each student in that particular senior English class to be in
sampling.
his sample. This is an example of
OA. systematic
B. quota
C. random
D. cluster

Answers

Answer:

A. Systematic

Explanation:

it is because he ask each student in that particular class, so that he question them in a systematic way.

I keep getting 20% as my answer, but it says it's wrong...please help!

Answers

20% isn’t 20 degrees
20% is 1/5 of a 100% which means you need 1/5 of 360 degrees
360/5 = 72 degrees

The main purpose of the passage is to
A) present scientific research that lends credibility
to ideas about invention that would otherwise
appear outlandish.
B) show how a seemingly outdated set of beliefs has
led to revolutionary new inventions.
C) survey a range of factors in order to consider how
influential inventions and ideas were conceived.
D) emphasize the fact that inventors see isolation
from one another as essential to their work.

Answers

Answer:

D)Emphasize the fact that inventors see isolation from one another as essential to their work

A packaging company has an old machine which improperly packages 30% of all its goods. The company has a special order to package 20 products for a client. Based on Chebyshev's theorem we can be 89% sure that between ____ and ____ of the products will be improperly packaged.

Answers

Answer:

0,12

Explanation:

none

Based on Chebyshev's theorem we can be 89% sure that between 0 and 12 of the products will be improperly packaged.

What is probability?

The chance of happening an event out of all the possible outcomes is called the probability of an event.

A packaging company has an old machine which improperly packages 30% of all its goods. The company has a special order to package 20 products for a client.

The probability that goods are improperly packaged is 0.30 and sample size is 20.

Then, μ = 20 x 0.30 =6

standard deviation, σ = √ [np(1-p)]

Put the values, we get

σ  = 2.05

The value of k  can be

1-1/k² = 0.89

Solving the expression for k, we get

k = 3.01

Based on Chebyshev's theorem, the limit are

μ ± kσ = (μ - kσ , μ + kσ )

          ={(6 - (3.01 x 2.05)) , (6 + (3.01 x 2.05)) }

          ={0,12}

Thus, we can be 89% sure that between 0 and 12 of the products will be improperly packaged.

Learn more about probability.

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Which two statements about redox reactions are true

Answers

The two true statements about redox reactions are:

C. One type of atom is oxidized and another is reduced.

D. Electrons are transferred from one atom to another.

What is a redox reaction?

A redox reaction is also known as an oxidation-reduction reaction and it can be defined as a type of chemical reaction in which the oxidation number of an atom of participating chemical species are changed.

This ultimately implies that, the two true statements about redox reactions include the following:

One type of atom is oxidized while the other is reduced.Electrons are transferred from one atom of participating chemical species to another.

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Complete Question:

Which two statements about redox reactions are true?

A. Double-replacement reactions are redox reactions.

B. Acid-base reactions are redox reactions.

C. One type of atom is oxidized and another is reduced.

D. Electrons are transferred from one atom to another.

QUESTION 1
Economics is the study of how people cope with:
a. limited resources.
b. fluctuations in stock prices.
O c. greed.
O d. limited human wants.

Answers

Answer:

A- people have to deal with unlimited wants but only a certain number of resources to produce those wants.

Explanation:

Passed both AP economics exams lol.

What is the median on this question?

Answers

Answer:

175

Explanation:

Other Questions
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