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Questions in mathematics

[Jawaban] What is the rate of change of the function described in the table? | x | y | | --- | ------ | | -1 | 1/10 | | 0 | 1/2 | | 1 | 5/2 | | 2 | 25/2 | | 3 | 125/2 | A. 12/5 B. 5 C. 25/2 D. 25

[Jawaban] A survey asks teachers and students whether they would like the new school mascot to be a shark or a moose. This table shows the results. Which statement is true? | | Sharks | Moose | Total | | :------- | :----- | :---- | :---- | | Students | 90 | 10 | 100 | | Teachers | 5 | 10 | 15 | | Total | 95 | 20 | 115 | A. "Moose" is equally popular with students and teachers. B. "Shark" is more popular with students, but "moose" is more popular with teachers. C. There is no difference between the preferences of students and teachers. D. "Moose" is more popular with students, but "shark" is more popular with teachers.

[Jawaban] The perimeter of the rectangle below is 150 units. Find the length of side \(\overline{QR}\). The sides of the rectangle are labeled as follows: - One side: \(3x + 3\) - Adjacent side: \(4x + 2\) Find \(\overline{QR}\) without variables.

[Jawaban] If the result obtained by decreasing x% by 110 is the same as the result obtained by increasing x% by 50, then by what percent would 650% of x be greater than (x + 20)% of 180? (Net to nearest integer) (a) 80% (b) 154% (c) 136% (d) 90%

[Jawaban] Write a linear inequality in two variables that has the following properties: - $(2,-1),(2,3)$, and $(3,1)$ are not solutions. - $(0,-3),(-2,1)$, and $(1,-5)$ are solutions.

[Jawaban] Write the quotient as an exponent: [tex]$y^{10} \div y^7$[/tex]

[Jawaban] Seven employees attended a 5-day training to learn about a new product. Release Time: $880 per day Instructional Materials: $25 per person Food: $95 per person Travel: $275 per person What was the total cost of food expenses?

[Jawaban] Solve $\frac{x+4}{4 x}-\frac{x+4}{4}=\frac{x-1}{4}$. A. $x=-2$ or $x=1$ B. $x=\frac{3 \pm \sqrt{17}}{2}$ C. $x=-5 / 2$ or $x=1$ D. $x=\frac{5 \pm \sqrt{65}}{4}$

[Jawaban] Use synthetic division to solve $(x^4-1) \div(x-1)$. What is the quotient? A. $x^3-x^2+x-1$ B. $x^3$ C. $x^3+x^2+x+1$ D. $x^3-2$

[Jawaban] Simplify this expression: [tex]12 a+7 x-3 a-2 x[/tex]