Questions in mathematics

Questions in mathematics

📝 Answered - Write each of the following decimals as a fraction in simplest form. 0.36

📝 Answered - Which prefix means [tex]$1 / 10$[/tex] of a unit in the metric system? A) Milli B) Deci

📝 Answered - [tex]\frac{12}{x+7}-\frac{5}{x+7}[/tex]

📝 Answered - Complete the point-slope equation of the line through $(1,0)$ and $(6,-3)$. Use exact numbers. $y-(-3)=$ $\square$

📝 Answered - The model represents a polynomial of the form [tex]$a x^2+$[/tex] [tex]$b x+c$[/tex]. Which equation is represented by the model? A. [tex]$3 x^2-4 x-1=(3 x+1)(x-1)$[/tex] B. [tex]$3 x^2-2 x-1=(3 x-1)(x+1)$[/tex] C. [tex]$3 x^2-4 x+1=(3 x-1)(x-1)$[/tex] D. [tex]$3 x^2-2 x+1=(3 x-1)(x-1)$[/tex]

📝 Answered - (a) Form an equation in terms of $x$. (b) Solve the equation and work out Robert's and Hannah's ages. Robert is x years old. Hannah is 7 years younger than Robert. The sum of their ages is 61.

📝 Answered - $12 / 16 + 7 / 8 = $ Select one: a. $26 / 8$ b. $1-1 / 16$ c. $1-1 / 8$ d. $1-5 / 8$

📝 Answered - Find a formula for the inverse. [tex]f(x)=5 x^3-6[/tex] [tex]f^{-1}(x)=[/tex] (Simplify your answer. Type an exact answer, using radicals as needed.)

📝 Answered - What will it cost to carpet a room 10 feet wide and 12 feet long if carpet costs $12.51 per square yard? A. $166.80 B. $213.50 C. $186.23 D. $165.12

📝 Answered - Terms of a geometric sequence are found by the formula [tex]T_n=a r^{n-1}[/tex]. If [tex]a=3[/tex] and [tex]r=2[/tex], find the first 4 terms of the sequence.