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earnstyle [38]
3 years ago
12

100 POINTS!!!! Please be quick and make sure you have a correct answer, no plagiarizing, and no silly answers. Will give BRAINLI

EST!
Part A: Create a fifth-degree polynomial with four terms in standard form. How do you know it is in standard form? (5 points)

Part B: Explain the closure property as it relates to subtraction of polynomials. Give an example. (5 points)
Mathematics
2 answers:
NikAS [45]3 years ago
6 0

Part A

5x 3y^3 2z

I know it is in standard form because there are no more like terms.

Part B: Polynomials are always closed under multiplication. Unlike with addition and subtraction, both the coefficients and exponents can change. The variables and coefficients will automatically fit in a polynomial. When there are exponents in a multiplication problem, they are added, so they will also fit in a polynomial.

ivanzaharov [21]3 years ago
3 0

Answer:

A: 3x^2 + 4y^5 - 3. I know it's in standard form because I cannot simplify it anymore.

B:  When subtracting polynomials, the variables and their exponents do not change. Only their coefficients will possibly change.  the variables and exponents will only change with multiplication and division.

Step-by-step explanation:

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Three students want to estimate the mean word length of the same book. To do this, each student randomly chose 4 words from the
Firlakuza [10]

The solutions to the questions are given below

a)

sample(n) word length sample mean

1                    5,4,4,2    3.75

2                    3,2,3,6     3.5

3                         5,6,3,3    4.25


b)R =0.75

c)

  • The mean of the sample means will tend to be a better estimate than a single sample mean.
  • The closer the range of the sample means is to 0, the more confident they can be in their estimate.

<h3>What is the students are going to use the sample means to estimate the mean word length in the book.?</h3>

The table below shows sample means in the table.

sample(n) word length sample mean

1                    5,4,4,2    3.75

2                    3,2,3,6     3.5

3                         5,6,3,3    4.25

b)

Generally, the equation for is  mathematically given as

variation in the sample means

R =maximum -minimum

R=4.25-3.5

R =0.75

c)

In conclusion, In most cases, the mean of many samples will provide a more accurate estimate than the mean of a single sample.

They may have a higher level of confidence in their estimate if the range of the sample means is closer to 0 than it is now.

Read more about probability

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7 0
2 years ago
2d+2=8<br> i think i know the answer but i need to know for sure
IrinaK [193]

Answer:

simple. d=3

Step-by-step explanation:

2d+2=8

subtract 2 from both sides:

2d=6

divide 2 from both sides:

d=3

7 0
2 years ago
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Jason’s credit card has an apr of 17.02% and a 30-day billling cycle. the following table details jason’s transactions with that
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The method of computing that would result in a greater finance charge is  a. the daily balance method will have a finance charge $1.02 greater than the adjusted balance method.

<h3>What is the Adjusted Balance Method?</h3>

This refers to the method of accounting that makes use of the owed amount of money at the end of a billing cycle to make its computation on an account after the credits are calculated.

Hence, we can see that when comparing the adjusted balance method to the daily balance method that calculates the interest charges at the end of the day, the daily balance method would have a higher finance charge.

Read more about adjusted balance methods here:

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5 0
2 years ago
Fill in the blank:<br> vertical angles are _______ of angles that directly ______ to form each other
mart [117]
Vertical angles are non-adjacent angles that directly intersect to form each other

* hope that’s correct!
8 0
3 years ago
Please help &amp; explain PLEASE
nydimaria [60]
The answers is A x=4.5y because for whatever y is you multiply it by 4.5 and it gives you your x. Trust me. They all match too; I checked.
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3 years ago
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