Tiffany pays $40 for 160 minutes of talk time on her cell phone. How many minutes of talk time does she get per dollar?

Answers

Answer 1

Answer: If she pays 40 dollars then you have to divide that into how many minute she gets for that amount so you would have to divide 160 by 40 to get the minutes per dollar.

Answer 2

Answer: do 40 dovided by 160 & 160 divided by 40 and see which one makes more sense

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Benford’s law states that the probability that a number in a set has a given leading digit, d, isP(d) = log(d + 1) - log(d).

State which property you would use to rewrite the expression as a single logarithm, and rewrite the logarithm. What is the probability that the number 1 is the leading digit? Explain.

Answers

Benford’s law states that the probability that a number in a set has a given leading digit, d, is
P(d) = log(d + 1) - log(d)
The division property of logarithm should be use to make it as a single logarithm
P(d) = log ( (d + 1)/ d)
So the probability that the number 1 is the leading digit is
P(1) = log ( ( 1+1)/ 1)
P(1) = log ( 2)
P(1) = 0.301

The probability that the number 1 is the leading digit is $0.301$ .

Given information:

Benford’s law states that the probability that a number in a set has a given leading digit $d$ , is $P(d) =\log(d+1)-\log(d)$

As mentioned in question,

Probability of a number in a set is given by $P(d) =\log(d+1)-\log(d)$ .

The division property of logarithm should be use to make it as a single logarithm $P(d)=\log((d+1)/(d))\;\;\;\{\log(a)-\log(b)=\log(a)/(b)\}$ .

So, the probability that the number 1 is the leading digit is,

$P(1) = \log ( ( 1+1)/ 1)\nP(1) = \log ( 2)\nP(1) = 0.301\n$

Hence, The probability that the number $1$ is the leading digit is $0.301$ .

Learn more about Probability here:

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△ABC is mapped to △A′B′C′ using the rule (x, y)→(−x, −y) followed by (x, y)→(x, −y) .Which statement correctly describes the relationship between △ABC and △A′B′C′ ?

A. △ABC is congruent to △A′B′C′ because the rules represent a reflection followed by a rotation, which is a sequence of rigid motions.

B. △ABC is congruent to △A′B′C′ because the rules represent a rotation followed by a reflection, which is a sequence of rigid motions.

C. △ABC is not congruent to △A′B′C′ because the rules do not represent a sequence of rigid motions.

D. △ABC is congruent to △A′B′C′ because the rules represent a reflection followed by a reflection, which is a sequence of rigid motions.

Answers

Transformation involves changing the position of a shape.

The correct statement is: (b) △ABC is congruent to △A′B′C′ because the rules represent a rotation followed by a reflection, which is a sequence of rigid motions.

The transformation rule is given as:

$\mathbf{(x,y) \to (-x,-y)}$ , then:

$\mathbf{(x,y) \to (x,-y)}$

The first transformation $\mathbf{(x,y) \to (-x,-y)}$ is 180 degrees rotation across the origin
The second transformation $\mathbf{(x,y) \to (x,-y)}$ is a reflection across the x-axis

Rotation and reflection are both rigid transformation.

Hence, the correct option is (b):

Read more about rotation and reflection at:

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Answer:

B. △ABC is congruent to △A′B′C′ because the rules represent a rotation followed by a reflection, which is a sequence of rigid motions.

Step-by-step explanation:

I just took the test, good luck! Have a wonderful day! :)

True or false:A linear binomial has a degree of 0

A trinomial has a degree of 2

A constant has a degree of 1

A cubic monomial has a degree of 3

I will mark as the top answers of you help me!

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Answer:

The degree of a binomial is zero. The product of two binomials is not a polynomial. The sum of two polynomials is a polynomial. A monomial containing ^2 has a degree of three

The degree of the polynomial is found by looking at the term with the highest exponent on its variable(s). Examples: 5x2-2x+1 The highest exponent is the 2 so this is a 2nd degree trinomial.

Names of Degrees

Degree Name Example

0 Constant 7

1 Linear x+3

2 Quadratic x2−x+2

3 Cubic x3−x2+5

The degree of a cubic monomial is three. A quadratic polynomial is a trinomial. The degree of a binomial is two.

Step-by-step explanation:

What six problem types do data analysts typically work with? Option 1: Classification, Regression, Clustering, Anomaly Detection, Time Series Analysis, Natural Language Processing Option 2: Descriptive Statistics, Hypothesis Testing, Data Visualization, Correlation Analysis, Forecasting, Data Cleaning Option 3: Linear Algebra, Calculus, Probability Theory, Machine Learning, Database Management, Data Mining Option 4: Sampling Techniques, Inferential Statistics, Dimensionality Reduction, Data Preprocessing, Feature Engineering, Model Evaluation

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The six problem types that data analysts typically work with are:

Option 1: Classification, Regression, Clustering, Anomaly Detection, Time Series Analysis, Natural Language Processing

These problem types encompass various techniques and methodologies that data analysts use to analyze and interpret data. Let's briefly explain each of these problem types:

1. Classification: In classification, data analysts categorize data into predefined classes or categories based on certain features or attributes. For example, classifying emails as spam or non-spam based on various characteristics.

2. Regression: Regression analysis helps data analysts understand the relationship between a dependent variable and one or more independent variables. It is used to predict or estimate numerical values based on historical data.

3. Clustering: Clustering involves grouping similar data points together based on their characteristics or similarities. It helps identify patterns and relationships within the data, without predefined classes or categories.

4. Anomaly Detection: Anomaly detection focuses on identifying unusual or abnormal data points or patterns. It is used to detect outliers or deviations from expected behavior.

5. Time Series Analysis: Time series analysis deals with data collected over time and focuses on understanding patterns, trends, and seasonality in the data. It is commonly used in forecasting and predicting future values.

6. Natural Language Processing (NLP): NLP involves analyzing and understanding human language data. It includes tasks like sentiment analysis, language translation, and text generation.

These problem types are not exhaustive, and data analysts may encounter other problem types as well. However, Option 1 provides a comprehensive list of problem types commonly addressed in data analysis.

HELP PLS LOL !!!!!!!!!!!!!!

Answers

Answer:

try 137

Step-by-step explanation:

it may be congruent since they're parallel

Find the total area the regular pyramid.

Answers

Answer:

$4+4√(10) \n72+24√(3) \n144+36√(3) \n16√(3)\n 18√(91) +54√(3) \n$

Step-by-step explanation:

The above answers are for total area. They belong to the lesson called Solid's: Pyramids. They are in order so find each T.A question and input the answer accordingly.

To find total are of a regular pyramid, we add 4 times the area of one side and the area of base.

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Jalyn plans to sell Algebra Nation t-shirts as a fundraiser for a new scholarship initiative. The wholesale t-shirt company charges Jalyn $10.00 a shirt for 75 shirts or less. If the number of t-shirts purchased is between 76 and 150 shirts, the company will lower its price to $7.50 per shirt. If Jalyn purchases 150 or more shirts, the price will decrease to $6.00 per shirt. Which of the following statements are true? Select all that apply.