GuideFoot - Learn Together, Grow Smarter. Logo

Questions in mathematics

📝 Answered - Find the equation of the line passing through the points $(7,20)$ and $(-2,11)$. y=[?] x+[]

📝 Answered - If [tex]f(x)=\frac{3}{x^6}[/tex], then, [tex]f^{\prime}(x)=\frac{[?]}{x}[/tex]

📝 Answered - $\Delta XYZ$ was reflected over a vertical line, then dilated by a scale factor of $\frac{1}{2}$, resulting in $\Delta X^{\prime} Y^{\prime} Z^{\prime}$. Which must be true of the two triangles? Select three options. $\Delta XYZ \sim \Delta X^{\prime} Y^{\prime} Z^{\prime}$ $\angle XZY \cong \angle Y^{\prime} Z^{\prime} X^{\prime}$ $\overline{YX} \cong \overline{Y^{\prime} X^{\prime}}$ $XZ=2 X^{\prime} Z^{\prime}$ $m \angle YXZ =2 m \angle Y ^{\prime} X ^{\prime} Z ^{\prime}$

📝 Answered - An electric device delivers a current of [tex]$15.0 A$[/tex] for 30 seconds. How many electrons flow through it?

📝 Answered - 5. Name the property under multiplication used in each of the following. (i) [tex]$\frac{-4}{5} \times 1=1 \times \frac{-4}{5}=-\frac{4}{5}$[/tex] (ii) [tex]$-\frac{13}{17} \times \frac{-2}{7}=\frac{-2}{7} \times \frac{-13}{17}$[/tex] (iii) [tex]$\frac{-19}{29} \times \frac{29}{-19}=1$[/tex]

📝 Answered - The formulas below are the cost and revenue functions for a company that manufactures and sells small radios. [tex]C(x)=24,000+40 x \text { and } R(x)=42 x[/tex] a. Use the formulas shown to write the company's profit function, P, from producing and selling x radios. b. Find the company's profit if 15,000 radios are produced and sold. a. The company's profit function is [tex]P ( x )=[/tex] $\square$ (Simplify your answer.)

📝 Answered - $(2^{2 x+1})(3^{2 x+2})+2^n(3^{x+2})-2=0

📝 Answered - An ellipse has a center at the origin, a vertex along the major axis at $(10,0)$, and a focus at $(8,0)$. Which equation represents this ellipse? $\frac{x^2}{10^2}+\frac{y^2}{6^2}=1$ $\frac{x^2}{10^2}+\frac{y^2}{8^2}=1$ $\frac{y^2}{10^2}+\frac{x^2}{6^2}=1$ $\frac{y^2}{10^2}+\frac{x^2}{8^2}=1$

📝 Answered - Find the fraction, in lowest terms, represented by the repeating decimal 0.15

📝 Answered - If five of the taxpayers' scheduled cases were completed successfully, what would the ratio be for taxpayers helped successfully to all taxpayers that were helped?