Questions in mathematics

Questions in mathematics

📝 Answered - Find the value of m for which 9^m ÷ 3^(-2) = 9^4.

📝 Answered - Which properties are present in a table that represents an exponential function in the form [tex]$y=b^x$[/tex] when [tex]$b\ \textgreater \ 1$[/tex]? I. As the [tex]$x$[/tex]-values increase, the [tex]$y$[/tex]-values increase. II. The point [tex]$(1,0)$[/tex] exists in the table. III. As the [tex]$x$[/tex]-values increase, the [tex]$y$[/tex]-values decrease. IV. As the [tex]$x$[/tex]-values decrease, the [tex]$y$[/tex]-values decrease, approaching a singular value. A. I and IV B. I and II C. II and III D. III only

📝 Answered - Q6. Solve. (a) [tex]151+8=4-1[/tex] (b) [tex]\frac{25-2 u}{3}=2[/tex] Q7. Solve. [tex]\frac{30}{x}=6[/tex]

📝 Answered - The table of values below represents a linear function and shows the amount of snow that has fallen since a snowstorm began. What is the rate of change? | Length of Snowfall (hours) | Amount of Snow on the Ground (inches) | | :------------------------- | :------------------------------------- | | 0 | 3.3 | | 0.5 | 4.5 | | 1.0 | 5.7 | | 1.5 | 6.9 | | 2.0 | 8.1 | A. 1.2 inches per hour B. 2.4 inches per hour C. 3.3 inches per hour D. 5.7 inches per hour

📝 Answered - Solve the following equation for [tex]$y$[/tex]: [tex]$2+\sqrt{4 y}-3=11$[/tex]. A. [tex]$y=3$[/tex] B. [tex]$y=18$[/tex] C. [tex]$y=6$[/tex] D. [tex]$y=36$[/tex]

📝 Answered - Charles wants to analyze his last 9 math test scores with a box plot to see how spread apart they are. Arrange the scores in order, from lowest (on the left) to highest. What is the range of Charles's scores? What is the median of Charles's scores? What is the IQR of Charles's scores?

📝 Answered - Find $( h \circ g )( x )$ for the indicated functions. $h(x)=\sqrt{x+7}, g(x)=\\frac{3}{x+5}$ $(h \circ g)(x) =$

📝 Answered - Multiplying $\frac{3}{\sqrt{17}-\sqrt{2}}$ by which fraction will produce an equivalent fraction with a rational denominator? A. $\frac{\sqrt{17}-\sqrt{2}}{\sqrt{17}-\sqrt{2}}$ B. $\frac{\sqrt{17}+\sqrt{2}}{\sqrt{17}+\sqrt{2}}$ C. $\frac{\sqrt{2}-\sqrt{17}}{\sqrt{2}-\sqrt{17}}$ D. $\frac{\sqrt{15}}{\sqrt{15}}$

📝 Answered - Determine any data values that are missing from the table, assuming that the data represent a linear function. | x | y | | --- | --- | | -9 | 3 | | -6 | 2 | | -3 | | | | 0 | A. Missing x: -2, Missing y: 0 B. Missing x: 0, Missing y: 1 C. Missing x: -2, Missing y: 2 D. Missing x: -1, Missing y: 1 Please select the best answer from the choices provided

📝 Answered - The three steps below were used to find the value of the expression [tex]$[(-10+2)-1]+(2+3)$[/tex] Step 1: ? Step 2: [tex]$-9+2+3$[/tex] Step 3: [tex]$-7+3$[/tex] Which expression is missing from Step 1? A. [tex]$[-10+-1+2]+(2+3)$[/tex] B. [tex]$[-8-1]+(2+3)$[/tex] C. [tex]$[8+1]+(2+3)$[/tex] D. [tex]$[-10+1]+(2+3)$[/tex]