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Linear algebra a modern introduction 4th edition solutions pdf

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A 0. 14-kg baseball is dropped from rest from a height of 2. 0 m above the ground. What is the magnitude of its momentum just be

FrozenT [24]

Answer:

0.8764kgm/s

Explanation:

Finding the velocity(v) before it hits the ground , where g is 9.8m/s²

v²= u² + 2gh

v² = 0 + 2× 9.8 × 2

v² = 40

v = √39.2

=6.26m/s

momentum= mass × velocity

= 0.14 × 6.26

= 0.8764kgm/s

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3 years ago

Emilia already owns 96 necklaces, and additional necklaces are priced at 2 for a dollar. How much money does Emilia need to spen

Inessa [10]

268-96= 172

344

She need to spend additional $344 dollars

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3 years ago

A doctor sees 24 patients in 8 hours. At this rate, approximately how many patients will the doctor be able to see in a 20-hour

ipn [44]

Answer:

about 60 patients

Explanation:

he sees 3 patients every hour

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3 years ago

You have a home with a market value of $144,700, which has an assessment value of 72% of that amount. your city has a property t

poizon [28]

If you have a home with a market value of $144,700,The amount of taxes that went to funding schools is:c.$2,641.

<h3>
Tax amount</h3>

First step

Assessment value= $144,700 × 0.72

Assessment value= $104,184

Second step

Tax on property=$104,184 × 0.039

Tax on property = $4,063.176

Third step

Funding school taxes=$4,063.176 × 0.65

Funding school taxes= $2,641

Therefore the amount of taxes that went to funding schools is:c.$2,641.

Learn more about taxes here:brainly.com/question/13941741

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3 years ago

A fair six-sided die, with sides numbered 1 through 6, will be rolled a total of 15 times. Let x¯1 represent the average of the

SIZIF [17.4K]

The sampling distribution of the difference in sample means x⁻₁ - x⁻₂ is; 3.5 - 3.5 = 0

<h3>Difference in sample means</h3>

We are told that;

A fair six-sided die, with sides numbered 1 through 6, will be rolled a total of 15 times.

x⁻₁ represents the average of the first ten rolls.

x⁻₂ represents the average of the remaining five rolls.

Now, the average of the largest and lowest numbers of the six sided die is;

E(x) = (6 + 1)/2 = 3.5

Thus, the average mean of the first ten rows is expressed as;

E(x⁻₁) = (n * E(x))/n

E(x⁻₁) = (10 * 3.5)/10

E(x⁻₁) = 3.5

The average mean of the last five rolls will be;

E(x⁻₂) = (n * E(x))/n

E(x⁻₂) = (5 * 3.5)/5

E(x⁻₂) = 3.5

Thus;

x⁻₁ - x⁻₂ = 3.5 - 3.5 = 0

Read more about difference in sample means at; brainly.com/question/16428987

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2 years ago