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Questions in mathematics

📝 Answered - Which graph can be used to find the solution(s) to $x^2-4 x+4=2 x+1+x^2 $?

📝 Answered - How do outliers affect statistical analysis? Select one answer option below. A. They can improve accuracy of predictions. B. They can infer causation from correlation. C. They can reduce the variability of the data. D. They can skew the results of central tendency measures.

📝 Answered - 20,000 pounds equals how many English tons? A) 1 ton B) 10 tons

📝 Answered - A series is given below: [tex]$7+11+15+19$[/tex] a) What type of series is it? b) Find [tex]$n^{t_1}$[/tex] term of series. c) Express the series in sigma notation.

📝 Answered - Use the table to answer the questions in each part below. | Year | 1963 | 1968 | 1994 | 2012 | | :----------------------------- | :-------- | :-------- | :-------- | :-------- | | Percent without Health insurance | [tex]$24.3 \%$[/tex] | [tex]$14.5 \%$[/tex] | [tex]$15.8 \%$[/tex] | [tex]$14.7 \%$[/tex] | Part 1: To predict the percentage of people without health insurance in 2020, are you interpolating or extrapolating? Part 2: What is the predicted percentage of people without health insurance in 2029? Round your result to two decimal places.

📝 Answered - Use the distributive property to rewrite the expression. $8(z-7)$

📝 Answered - Two chords that make an inscribed angle. A. are perpendicular B. share an endpoint C. bisect each other D. are parallel

📝 Answered - Graph the set \{x \mid x \geq 1\} on the number line. Then, write the set using interval notation.

📝 Answered - Jerome solved the equation below by graphing. [tex]\log _2 x+\log _2(x-2)=3[/tex] Which of the following shows the correct system of equations and solution? A. [tex]$y_1=\frac{\log x}{\log 2}+\frac{\log (x-2)}{\log 2}, y_2=3 ; x=3$[/tex] B. [tex]$y_1=\frac{\log x}{\log 2}+\frac{\log (x-2)}{\log 2}, y_2=3 ; x=4$[/tex] C. [tex]$y_1=\log x+\log (x-2), y_2=3 ; x=33$[/tex] D. [tex]$y_1=\log x+\log (x-2), y_2=3 ; x=44$[/tex]

📝 Answered - Jackie correctly solved this equation: $\frac{4}{x-2}+\frac{1}{x^2-4}=\frac{1}{x+2}$ Which statement describes the solutions she found? A. She found one valid solution and no extraneous solutions. B. She found two valid solutions and no extraneous solutions. C. She found one valid solution and one extraneous solution. D. She found no valid solutions and two extraneous solutions.