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Schach [20]
2 years ago
6

What are all of these?

Mathematics
2 answers:
Mrac [35]2 years ago
8 0
1) 60/10=6x5=30
2)80/8x10=100
3)30/10x3=9
4)25/100=0.25x12=3
5)6x100/24=25%
7)12.5
8)25
9)42
10)40%
serious [3.7K]2 years ago
3 0
They are abstract "word" problems, offered for the purpose of giving the
student of high school mathematics valuable practice in the application
and manipulation of the concept of "percent". 

Often, some time spent in solving practice-examples such as these can
lead to the phenomenon known as "learning", whereby the student comes
to know, understand, and possess competence in a topic where he or she
was previously ignorant and incompetent. 

It is important to realize that the practice is the vital component in the process,
whereas the answers alone have no value at all.
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mrs_skeptik [129]
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3 years ago
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An iron ball is bobbing up and down on the end of a spring. The maximum height of the ball is 46 inches and its minimum height i
Westkost [7]

Answer:

The equation for height is

h=32sin(\frac{\pi}{2}t)+14

Step-by-step explanation:

we are given

An iron ball is bobbing up and down on the end of a spring

So, height function must be trigonometric in nature

So, we can use formula

h=Asin(Bt)+D

now, we can find A , B and D

Calculation of A:

maximum height 46 inch

minimum height =18 inch

so,

A=\frac{46+18}{2}=32

Calculation of B:

It takes the ball 2 seconds to go from its maximum height to its minimum height

So, half of time period is 2 sec

\frac{T}{2}=2

T=4

now, we can use period formula

T=\frac{2\pi}{B}

we can find B

4=\frac{2\pi}{B}

B=\frac{2\pi}{4}

B=\frac{\pi}{2}

Calculation of D:

Max=46

min=18

D=\frac{46-18}{2}

D=14

now, we can plug these values into formula

and we get

h=32sin(\frac{\pi}{2}t)+14


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3 years ago
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How does a command economy differ from a mixed market economy?
NemiM [27]

Answer:  A

The correct answer is - In a command economy, citizens have fewer property rights. In a mixed market economy, citizens have more property rights.

The command and mixed market economies have numerous differences, and of the them is the property rights.

In the command economy type, the citizens have little to no rights to own property. Pretty much everything is owned and controlled by the government, so the people are in a situation where they can only work for the government and being paid by it, but not work for themselves.

In the mixed market economy type we have a transitioning faze where the economy is moving from command towards market economy. The government still owns a lot of property in the country, but it is mostly the most important resources. The people, on the other hand, are allowed to own their own property, develop their own businesses, and work for themselves, and be employers for other people

Command and mixed economies are two different economic systems. In a command economy, the system is controlled by the government, while a mixed economy is a system partly run by the government.

hope this helped!!

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3 years ago
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