Questions in mathematics

Questions in mathematics

📝 Answered - The mathematical study of two-dimensional shapes is known as A. Plane Geometry B. Loadbearing C. Radius

📝 Answered - Ross purchases 3 cookbooks for $18.89 each, a set of measuring cups for $2.68, 4 kitchen utensils for $5.35 each, and a cooling rack for $9.60. Ross uses a promotional discount of $5 off on the purchase of 3 or more cookbooks. There are no taxes charged on his purchase, but shipping charges are based on the following table: | Amount of Purchase | Standard Shipping | Express Shipping | | :----------------- | :---------------- | :--------------- | | up to $50 | $4.00 | $7.00 | | $50 up to $100 | $5.25 | $9.50 | | $100 up to $200 | $6.00 | $12.75 | | $200 and over | $8.50 | $15.00 | Ross selects standard shipping and is billed $94.35 for the total of the online purchase. Determine if Ross has been billed correctly for his purchase. A. Ross has been billed correctly. B. Ross has not been charged enough for his purchase. C. Ross has been over charged by $3.75 for his purchase. D. Ross has been over charged by $4.25 for his purchase.

📝 Answered - Solve the system of two linear inequalities graphically. $\left\{\begin{array}{l} y \leq 6 x+9 \\ y>-2 x-3 \end{array}\right.$ Step 1 of 3: Graph the solution set of the first linear inequality. Choose the type of boundary line:

📝 Answered - Which are not correct? (b) XLIX + XXXIX = (d) LIV × VI = (f) LXIX × VII = (c) IXC (f) ICC (i) XCV

📝 Answered - Given the following table with selected values of $f(x)$ and $g(x)$, evaluate $f(8)$. | x | -4 | -3 | 0 | 3 | 5 | 8 | | --- | -- | -- | - | - | -- | -- | | f(x) | 1 | 3 | 8 | 0 | -5 | -3 | | g(x) | -7 | 0 | 3 | 5 | 8 | 2 |

📝 Answered - Find the arc length of the curve defined by the parametric equations [tex]x(t)=-2 e^{-2 t}[/tex] and [tex]y(t)=3 e^{-3 t}[/tex] from [tex]0.6 \leq t \leq 1.2[/tex]. Round your answer to the nearest hundredth.

📝 Answered - What are the equations of the asymptotes of the graph of the function [tex]f(x)=\frac{3 x^2-2 x-1}{x^2+3 x-10}[/tex]? A. [tex]x=-5, x=2[/tex] and [tex]y=3[/tex] B. [tex]x=-2, x=5[/tex] and [tex]y=3[/tex] C. [tex]x=3, y=-5[/tex], and [tex]y=2[/tex] D. [tex]x=3, y=-2[/tex], and [tex]y=5[/tex]

📝 Answered - A solid hemisphere has a radius of 7 cm. Find the total surface area. A. 400 cm² B. 462 cm² C. 66 cm² D. 308 cm²

📝 Answered - Which value of [tex]$f$[/tex] makes [tex]$3 f+5=32$[/tex] a true statement? A. [tex]$f=6$[/tex] B. [tex]$f=8$[/tex] C. [tex]$f=9$[/tex] D. [tex]$f=12$[/tex]

📝 Answered - Use factoring to solve the equation for real values of the variable. (Enter your answers as a comma-separated list.) [tex]2 y^{-2}+9 y^{-1}-5=0[/tex]