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In **Mathematics** / **College** | 2025-07-03

📝 Answered - Evaluate the following expression for the given values: [tex]$-5 x^2-2 y^2+1$[/tex] where [tex]$x=3$[/tex], [tex]$y=-4$[/tex]

In **Mathematics** / **High School** | 2025-07-03

📝 Answered - Let [tex]$\frac{\cos (2 x)}{\cos (x)+\sin (x)}=0$[/tex] where [tex]$0^{\circ} \leq x \leq 180^{\circ}$[/tex]. What are the possible values for [tex]$x$[/tex]? A. [tex]$45^{\circ}$[/tex] only B. [tex]$135^{\circ}$[/tex] only C. [tex]$45^{\circ}$[/tex] or [tex]$225^{\circ}$[/tex] D. [tex]$135^{\circ}$[/tex] or [tex]$315^{\circ}$[/tex]

In **Social Studies** / **College** | 2025-07-03

📝 Answered - According to reality therapy, all of the following are one of the basic needs EXCEPT: A. belonging B. spirituality C. achievement D. freedom

In **Mathematics** / **College** | 2025-07-03

📝 Answered - What is the value of the 3rd term of the expansion $(3 y-2)^7$?

In **Mathematics** / **High School** | 2025-07-03

📝 Answered - Each person who enters a store receives a $5 off coupon. In the equation y = 5x, y is the total value of the coupons given out by the store, and x is the number of people receiving the coupons. Wen says the function is continuous, because the number of people is unlimited. Is Wen right or wrong? Explain.

In **Mathematics** / **College** | 2025-07-03

📝 Answered - Solve for $x$: $4-(x+2)<-3(x+4)$

In **Mathematics** / **College** | 2025-07-03

📝 Answered - Which statement best describes the domain and range of [tex]$f(x)=-(7)^x$[/tex] and [tex]$g(x)=7^x$[/tex]? A. [tex]$f(x)$[/tex] and [tex]$g(x)$[/tex] have the same domain and the same range. B. [tex]$f(x)$[/tex] and [tex]$g(x)$[/tex] have the same domain but different ranges. C. [tex]$f(x)$[/tex] and [tex]$g(x)$[/tex] have different domains but the same range. D. [tex]$f(x)$[/tex] and [tex]$g(x)$[/tex] have different domains and different ranges.

In **Mathematics** / **High School** | 2025-07-03

📝 Answered - A drugstore is selling two types of notebooks for $3 and $4. If a person wants to spend between $10 and $15 on notebooks, write the system of inequalities that represents this situation. [tex] \begin{array}{l} 3 x+4 y \geq 15 \\ 3 x+4 y \leq 10 \end{array} [/tex] [tex] \begin{array}{l} 3 x+4 y \leq 15 \\ 3 x+4 y \geq 10 \end{array} [/tex] [tex] \begin{array}{l} x \geq 0, y \geq 0 \\ 3 x+4 y \leq 15 \end{array} [/tex] [tex] \begin{array}{l} x \geq 0, y \geq 0 \\ 3 x+4 y \geq 10 \end{array} [/tex]

In **Mathematics** / **College** | 2025-07-03

📝 Answered - What is the simplified form of the following expression? Assume [tex]x\ \textgreater \ 0[/tex]. [tex]\sqrt[4]{\frac{3}{2 x}}[/tex] A. [tex]\frac{\sqrt[4]{6 x}}{2 x}[/tex] B. [tex]\frac{\sqrt[4]{24 x^3}}{2 x}[/tex] C. [tex]\frac{\sqrt[4]{24 x^3}}{16 x^4}[/tex] D. [tex]\sqrt[4]{12 x^2}[/tex]

In **Mathematics** / **College** | 2025-07-03

📝 Answered - Use synthetic division and the Remainder Theorem to find the indicated function value. [tex]f(x)=7 x^4+10 x^3+6 x^2-5 x+53 ; f(2)[/tex]