Questions in mathematics

Questions in mathematics

📝 Answered - Directions: Write greater than or less than in the blank. 1. 310 is ___ 305 2. 539 is _ 879 3. 607 is _ 643 4. 211 is _ 201 5. 400 is _ 700 6. 699 is _ 693 Directions: Write > or < in the blank. 7. 301 _ 679 8. 894 _ 571 9. 541 _ 740 10. 411 _ 490 11. 571 _ 813 12. 119 _ 145 13. 491 _ 494 14. 699 _ 700 Put Your Thinking Cap On Sandra has 245 marbles. Nestor has 236 marbles. Who had more marbles? ___

📝 Answered - State whether the following statement is true or false. For a function [tex]$f , f ( x + h )= f ( x )+ f ( h )$[/tex]. Choose the correct answer below. False True

📝 Answered - Use factoring to solve the quadratic equation. Check by substitution or by using a graphing utility and identifying $x$-intercepts. [tex]x^2-x-72=0[/tex] Rewrite the equation in factored form. [tex]\square[/tex] $=0$ (Factor completely.) The solution set is [tex]\square[/tex]. (Use a comma to separate answers as needed. Type each solution only once.)

📝 Answered - What is the range of [tex]f(x)=3^x+9[/tex]? A. [tex]{y \mid y<9}[/tex] B. [tex]{y \mid y>9}[/tex] C. [tex]{y \mid y>3}[/tex] D. [tex]{y \mid y<3}[/tex]

📝 Answered - Which of the following numbers will produce an irrational number when multiplied by 0.4? A. $\sqrt{13}$ B. $3 \pi$ C. $0.444 \ldots$ D. $\frac{2}{7}$

📝 Answered - Consider the function: [tex]f(x)=\left\{\begin{array}{cc} \frac{7}{2}+2 x, & x \leq-1 \\ -5+\frac{3 x}{2}, & -1\ \textless \ x\ \textless \ 3 \\ \frac{1}{4} x, & x \geq 3 \end{array}\right.[/tex] What are these values? [tex]\begin{array}{l} f(-3)=\square \\ f(-1)=\square \\ f(3)=\square \end{array}[/tex]

📝 Answered - What is the $x$-coordinate of the point that divides the directed line segment from J to K into a ratio of $2: 5$? $x=\left(\frac{m}{m+n}\right)\left(x_2-x_1\right)+x_1$

📝 Answered - The variable $y$ is inversely proportional to variable $x$. If $y=$ 0.4 when $x=2.5$, find the value of the constant of proportionality.

📝 Answered - Solve the problem. The maximum weight for an elevator is 1600 pounds. You need to move boxes each weighing 40 pounds, and you weigh 145 pounds. Write an inequality that can be used to determine the maximum number of boxes that you can place in the elevator at one time. Assume only you and the boxes are in the elevator. a. $1600-145 \leq 40 n$ b. $145+40 n \geq 1600$ c. $145+40 n \leq 1600$ d. $1600+145 \geq 40 n$ Please select the best answer from the choices provided

📝 Answered - If [tex]$y=3 t^3+1$[/tex], then find [tex]$\frac{d y}{d t}$[/tex]