Questions in mathematics

Questions in mathematics

📝 Answered - Simplify. [tex]$\sqrt{15 y^5 v^2} \sqrt{5 y^9 v}$[/tex] Assume that all variables represent positive [tex]$r \in$[/tex]

📝 Answered - Solve the system of equations: [tex] \begin{array}{l} y=5 x+32 \ y=-4 x-22 \end{array} [/tex] A. (6,2) B. (-6,-2) C. (-6,2) D. No solution

📝 Answered - What substitution should be used to rewrite $4 x^{12}-5 x^6-14=0$ as a quadratic equation? A. $u=x^2$ B. $u=x^3$ C. $u=x^6$ D. $u=x^{12}$

📝 Answered - Show that $\ln (0)=-\infty$

📝 Answered - Find the LCM of [tex]$22 a^3 b^3 c^4$[/tex] and [tex]$55 a b c$[/tex].

📝 Answered - Which function shows a fabric with a price of $1.25 per square yard? Price of Fleece | Square Yards | 1 | 2 | 3 | 4 | | :----------- | :------- | :------- | :------- | :------- | | Price | $1.25 | $2.00 | $2.75 | $3.50 | Price of Fleece | Square Yards | 1 | 2 | 3 | 4 | | :----------- | :------- | :------- | :------- | :------- | | Price | $0.25 | $1.25 | $2.25 | $3.25 |

📝 Answered - 1) \boxed{3} + 3 = 6 2) \boxed{5} + 2 = 7 3) \boxed{7} + 2 = 9 4) \boxed{7} + 2 = 9 5) \boxed{3} + 1 = 4 6) \boxed{3} + 1 = 4 7) \boxed{3} + 3 = 6 8) \boxed{3} + 4 = 7 9) \boxed{5} + 4 = 9 10) \boxed{5} + 3 = 8 11) \boxed{3} + 6 = 9 12) \boxed{0} + 3 = 3 13) \boxed{1} + 3 = 4 14) \boxed{2} + 3 = 5 15) \boxed{3} + 3 = 6 16) \boxed{4} + 3 = 7 17) \boxed{5} + 3 = 8 18) \boxed{6} + 3 = 9 19) \boxed{4} + 0 = 4 20) \boxed{4} + 1 = 5 21) \boxed{6} + 1 = 7 22) \boxed{6} + 1 = 7 23) \boxed{4} + 5 = 9 24) \boxed{5} + 4 = 9 25) \boxed{0} + 4 = 4 26) \boxed{2} + 4 = 6 27) \boxed{3} + 4 = 7 28) \boxed{3} + 4 = 7 29) \boxed{5} + 4 = 9 30) \boxed{5} + 4 = 9 31) \boxed{1} + 5 = 6 32) \boxed{2} + 5 = 7 33) \boxed{2} + 5 = 7 34) \boxed{3} + 5 = 8 35) \boxed{1} + 5 = 6 36) \boxed{5} + 1 = 6 37) \boxed{5} + 2 = 7 38) \boxed{5} + 2 = 7 39) \boxed{5} + 4 = 9 40) \boxed{5} + 4 = 9 41) \boxed{1} + 6 = 7 42) \boxed{1} + 6 = 7 43) \boxed{2} + 6 = 8 44) \boxed{3} + 6 = 9 45) \boxed{1} + 6 = 7 46) \boxed{1} + 6 = 7 47) \boxed{0} + 7 = 7 48) \boxed{2} + 7 = 9 49) \boxed{0} + 7 = 7 50) \boxed{2} + 7 = 9 51) \boxed{2} + 7 = 9 52) \boxed{0} + 7 = 7 53) \boxed{0} + 7 = 7 54) \boxed{1} + 8 = 9 55) \boxed{1} + 8 = 9 56) \boxed{0} + 8 = 8 57) \boxed{0} + 8 = 8 58) \boxed{1} + 8 = 9 59) \boxed{0} + 9 = 9 60) \boxed{0} + 9 = 9

📝 Answered - Find the sum or difference of the following monomials: 1. 2x + (-5x) 2. -2a^2 - (-6a^2) 3. y + (-y) 4. -9x^2y^3 - (-9x^2y^3) 5. -16mn^3 + (-12mn^3) 6. 10a^2b^3 - (-8a^2b^3) 7. -21x^4 + 17x^4 - 12x^4 8. 18xyz + (-5xyz) - (-12xyz)

📝 Answered - $\begin{array}{r} \left(-\frac{\sqrt{3}}{2},-\frac{1}{2}\right) \ \left(-\frac{\sqrt{2}}{2},-\frac{\sqrt{2}}{2}\right) \end{array}$ The unit circle shows the sine and cosine values for particular angles created by points along the circle. Each ordered pair along the circle represents a cosine and sine value, respectively. Trigonometry, whether calculated in triangle or circle form, is a very useful and powerful mathematics system used in both ancient times and today. Which statement is true regarding the values of sine on the unit circle? $\sin (\theta)=x$ $\sin (\theta)=y$ $\sin (\theta)=\frac{x}{y}$ $\sin (\theta)=\frac{y}{x}$

📝 Answered - What is the simplified value of the expression below? $3(8-4)+2 \times 5.5$