GuideFoot - Learn Together, Grow Smarter. Logo

Questions in mathematics

📝 Answered - Which graph could represent the function [tex]f(x)=(x+3.8)^2-2.7[/tex]?

📝 Answered - Solve. [tex]\frac{30}{x}=6[/tex]

📝 Answered - Some researchers claim there is an association between getting a tattoo and contracting hepatitis C. They took a random sample of people living in Los Angeles, California, and recorded whether they had a tattoo and whether they were infected with hepatitis C. The results are shown in the following two-way relative frequency table. | | Has Hepatitis C | Does Not Have Hepatitis C | Row Totals | |---|---|---|---| | Does not have a tattoo | 0.01 | | 0.12 | | Has one tattoo | | 0.48 | 0.50 | | Has more than one tattoo | 0.03 | 0.35 | | | Column Totals | 0.06 | 0.94 | 1 | What additional data could be placed on the table? A. Has one tattoo and has Hepatitis $C =0.02$ B. Has one tattoo and has Hepatitis $C =0.11$ C. Does not have a tattoo and does not have Hepatitis $C =0.02$ D. Does not have a tattoo and does not have Hepatitis $C=0.38

📝 Answered - In which quadrant is the number [tex]$6-8 i$[/tex] located on the complex plane? A. I B. III C. II D. IV

📝 Answered - The population of a town grew from 20,000 to 28,000. The continuous growth rate is [tex]$15 \%$[/tex]. The equation [tex]$20,000 e^{0.15 t}=28,000$[/tex] represents the situation, where [tex]$t$[/tex] is the number of years the population has been growing. About how many years has the population of the town been growing? Use a calculator and round your answer to the nearest whole number. A. 2 years B. 9 years C. 17 years D. 22 years

📝 Answered - The volume of a cube is 64 cubic inches. Which expression represents the length of a side of the cube?

📝 Answered - At a local produce market, $3/4$ of a pint of fresh lemon juice costs $7.65. How much does one pint cost? A) $5.74 B) $10.20 C) $13.39 D) $11.48

📝 Answered - Solve the following equation. [tex]$\frac{3}{x-9}-\frac{4 x}{x^2-81}=\frac{2}{x+9}$[/tex]

📝 Answered - Charlene puts together two isosceles triangles so that they share a base, creating a kite. The legs of the triangles are 10 inches and 17 inches, respectively. If the length of the base for both triangles is 16 inches long, what is the length of the kite's other diagonal?

📝 Answered - Factor the binomial completely. [tex]y^3-512[/tex] Select the correct choice below and, if necessary