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hoa [83]
3 years ago
5

The perimeter of parallelogram id 72 meters. The width of the parallelogram is 4 meters less than its length. Find the length an

d the width of the parallelogram. Write and solve an equation for each situation.
Mathematics
1 answer:
Readme [11.4K]3 years ago
3 0

Width=19

Length=17

72-4=68/2=34/2= 17 length

72-4=68+4=38/2=19 width

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Examine the expanded form.<br><br> a ∙ a ∙ a ∙ a ∙ a ∙ a ∙ a
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Answer:

a^7

Step-by-step explanation:

a to the 7th power

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4 years ago
The table below shows the lowest temperature, in degrees fahrenheit, on each of 5 days. What is is mean lowest temperature, in d
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Step-by-step explanation:

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Mean=\frac{\text{Sum of all observations }}{\text{Number of all observations}}

From the given values of temperature in the table.

The sum of temperature in degrees Fahrenheit, in the city for those 5 days is given by S=-36+(-25)+12+(-4)+18=-36-25+12-4+18\\\Rightarrow\ S=-35

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3 0
3 years ago
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WITCHER [35]

Answer with Step-by-step explanation:

We are given that a set of polynomials {x^2-2x+1,2x^2+3x-4,-x^2+x+5}

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Matrix of given set of polynomials

A=\left[\begin{array}{ccc}1&-2&1\\2&3&-4\\-1&1&5\end{array}\right]

Linearly Independent set :If any row or any column is not a linear combination of other rows or columns then the set is linearly independent set.

Any row or column  is not a  linear combination of other rows or columns.Therefore, given set is  a linearly independent set .

We know that

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Element of P_2 is of the form

ax^2+bx+c

Every element of p_2 is a linear combination of given set of polynomials.

Hence, given set is linearly independent in p_2 .

If any set is basis for any vector space then it satisfied the following two conditions

1.Given set is linearly independent.

2.Every element of given vector space spanned by the given set.

Given set of polynomials are linearly independent and spanned every element of P_2.

Therefore, given set is  as basis for p_2 because the set is linearly independent and spanned P_2.

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3 years ago
In geometry, the kissing number of a mathematical space is defined as the greatest number of non-overlapping unit spheres that c
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this explanation is false

4 0
3 years ago
Brake down mental math 9378-2536
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Answer:6842

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