Questions in mathematics

Questions in mathematics

📝 Answered - p. 261 #28, 29 28) [tex]h(x)=x^3-4 x^2[/tex]

📝 Answered - Evaluate f(x - 1) when f(x) = -5x² - x - 3. (Be sure to simplify your answer.)

📝 Answered - 10. Write the successors of each of the following: (a) 35,399 (b) 49,999 (c) 50,099 (d) 62,600 (e) 74,999 (f) 86,899 (g) 91,009 (h) 45,089 11. Write the predecessors of each of the following numbers: (a) 25,500 (b) 38,290 (c) 44,410 (d) 68,700 (e) 70,666 (f) 82,001 (g) 94,000 (h) 85,010 12. Write the smallest number using the following digits only once: (a) 2, 5, 8, 7 (b) 3, 2, 8, 4 (c) 2, 0, 8, 1, 3 (d) 3, 5, 1, 7, 4 (e) 9, 0, 3, 5, 8 (f) 1, 0, 5, 3, 8 (g) 4, 1, 6, 7, 2 (h) 2, 1, 5, 4, 0 13. Write the greatest number using the following digits only once: (a) 7, 9, 5, 2 (b) 6, 5, 1, 9 (c) 5, 3, 5, 0, 3 (d) 9, 2, 3, 8, 4 (e) 5, 1, 7, 4, 8 (f) 6, 1, 7, 3, 5 (g) 8, 5, 4, 1, 2 (h) 4, 5, 1, 0, 3

📝 Answered - What is the limit of the function f(x) = cos x as x approaches 0?

📝 Answered - (b) Convert the following to centimetres: 1. 3.2 m = 2. 4.6 m = 3. 7.2 m = 4. 6.9 m = 5. 8.8 m =

📝 Answered - Rupinder gave \(\frac{7}{15}\) kilograms of berries to China from \(\frac{13}{15}\) kilograms of berries. Now how many kilograms of berries does Rupinder have left? Find the product of the given fractions: (a) \(\frac{1}{4} \times \frac{1}{3}\) (b) \(\frac{1}{3} \times \frac{2}{11}\) (c) \(\frac{1}{6} \times \frac{1}{2}\) (d) \(\frac{7}{12} \times \frac{23}{18}\) Solve: (i) \(46 \times \frac{1}{2} =\) \(\frac{1}{2}\) of \(46\) (ii) \(\frac{1}{3} \times \frac{1}{6} =\) \(\frac{1}{6}\) of \(\frac{1}{6} =\) (iii) \(\frac{11}{5} \times \frac{1}{2} =\) (iv) \(\frac{11}{4}\) of \(\frac{1}{2} =\) \(\frac{11}{5}\) of \(\frac{1}{2} =\)

📝 Answered - The formula that relates the length of a ladder, [tex]L[/tex], that leans against a wall with distance [tex]d[/tex] from the base of the wall and the height [tex]h[/tex] that the ladder reaches up the wall is [tex]L=\sqrt{a^2+h^2}[/tex]. What height on the wall will a 15-foot ladder reach if it is placed 3.5 feet from the base of a wall? A. 11.5 feet B. 13.1 feet C. 14.6 feet D. 15.4 feet

📝 Answered - Rational numbers practice questions for class 8

📝 Answered - Select the best answer for the question. Use Gauss-Jordan elimination to solve the following system of equations. [tex]\begin{array}{l} 3 x+5 y=7 \\ 6 x-y=-8 \end{array}[/tex] A. [tex]$x=2, y=1$[/tex] B. [tex]$x=3, y=-1$[/tex] C. [tex]$x=-1, y=2$[/tex] D. [tex]$x=5, y=6$[/tex]

📝 Answered - Solve $x^4-3 x^3+4 x^2-3 x+1=0$