Questions in mathematics

Questions in mathematics

[Free] Compare using >, <, or =. a. 7 x 7 50 b. 7 x 7 7 x 2 c. 0 x 7 7 d. 7 + 7 7 x 7 e. 7 x 1 7 f. 7 x 8 7 + 8

[Free] Find whether the following mathematical sentences are constants or variables: (a) 'a' represents the number of districts in Nepal. (b) 'y' represents the districts of province 2. (a) '2x' where 'x' represents the counting numbers less than 5. (b) 'm' represents the whole numbers between 5 and 7. (a) The values of 'b' are 3, 6, 9 and 12. (b) If x + y = 7, find the possible values of x and y. Are they variables? [They are natural numbers] (a) 'N' denotes the natural numbers less than 2. (b) 'W' denotes the whole numbers less than 2. (a) If x - y = 4 and x = {8, 7, 6}, find y. Are they constants or variables? (b) 3x + 2, where x represents the prime numbers less than 4. (a) 'X' denotes the number of students in your class. (b) 4x-3, where x represents the odd numbers less than 5. (a) 'Y' represents the major rivers of Nepal. (b) The values of m are 4, 5, 6 and 7. (a) 'P' represents the prime numbers between 6 and 16. (b) 'b' represents the games which start from the letter b. [tex]m^2 - n^2[/tex] where m = 4 and n = -2 'm' represents the ministry of Nepal. 'L' represents the Lakes of Chitwan district. 'd' represents the multiples of 6 less than 30.

[Free] Choose the two correct terms to complete the following sentences. Two lines intersect at a right angle. However, two lines that never intersect and do not lie in the same plane are called lines.

[Free] Designer Furnishings sells premade cabinets and cupboards, as shown below. | Model | Dimensions (in inches) | | :------ | :--------------------- | | 411 R | 32 by 22 by 10 | | 412 R | 28 by 36 by 15 | | 413 S | 24 by 72 by 18 | | 414 S | 25 by 24 by 6 | Each face of cabinet 413 S is in the shape of a rectangle. What is the volume, in cubic feet, of Model 413S? A. 18 B. 31 C. 36 D. 108

[Free] $\frac{1}{x+1}+4=\frac{9}{x+1}$ a. What is/are the value or values of the variable that make(s) the denominators zero? $x=\square$ (Simplify your answer. Use a comma to separate answers as needed.) b. Solve the equation. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. A. The solution set is $\square$}. (Type an integer or a simplified fraction. Use a comma to separate answers as needed.) B. The solution set is ${x \mid x$ is a real number $}$. C. The solution set is $\varnothing$.

[Free] Use the distributive property to show that each a. $(x+2)(x+4)$ and $x^2+6 x+8$

[Free] A circle is inscribed in a regular hexagon with side length 10 feet. What is the area of the shaded region? Recall that in a [tex]$30^{\circ}-60^{\circ}-90^{\circ}$[/tex] triangle, if the shortest leg measures [tex]$x$[/tex] units, then the longer leg measures [tex]$x \sqrt{3}$[/tex] units and the hypotenuse measures [tex]$2 x$[/tex] units. A. [tex]$(150 \sqrt{3}-75 \pi) ft ^2$[/tex] B. [tex]$(300-75 \pi) ft ^2$[/tex] C. [tex]$(150 \sqrt{3}-25 \pi) ft ^2$[/tex] D. [tex]$(300-25 \pi) ft ^2$[/tex]

[Free] Solve the system of linear equations: [tex]\begin{array}{l} x-y=2 \\ 2 x+4 y=28 \end{array}[/tex] x = y =

[Free] Divide. $119,720 \div 584=$ A. 2050 B. 205 C. 20.5 D. 2.05

[Free] Consider the system of equations shown below. [tex] \begin{array}{l} y=-5 x+1 \ y=-5 x+10 \end{array} [/tex] When graphed, the system consists of two lines that will never meet, no matter how far they are extended. Why are the lines parallel? A. The linear equations have the same slope and [tex]$y$[/tex]-intercept. B. The linear equations have different slopes and [tex]$y$[/tex]-intercepts. C. The linear equations have the same slope but different [tex]$y$[/tex]-intercepts. D. The linear equations have different slopes but the same [tex]$y$[/tex]-intercept.