Questions in mathematics

Questions in mathematics

📝 Answered - $6m - 9n + 27nx - 74mx =$

📝 Answered - Perform the following operation and express the answer in correct scientific notation. [tex]5.0 \times 10^4 \times 2.9 \times 10^8[/tex] Enter the coefficient and the exponent.

📝 Answered - Use synthetic division to decide whether x=1 is a solution of the equation: [tex]$-5 x^3-9 x^2+x+13 = 0$[/tex] Yes or No

📝 Answered - Which expression is equivalent to $\frac{\sqrt{2}}{\sqrt[3]{2}}$ ? A. $\frac{1}{4}$ B. $\sqrt[5]{2}$ C. $\sqrt{2}$ D. $\frac{\sqrt{2}}{2}$

📝 Answered - The cost of transport is partly constant and partly varies as the distance covered. The cost is 1400 when 80 km is covered and 1600 when 130 km is covered. If the distance between 1 Korodn garage and Ketu Busstop is 16 km, find the cost of transportation.

📝 Answered - Question no 68 any math geniuses??

📝 Answered - Find the solution(s) of the system of equations: [tex] \begin{array}{l} y=-x^2+4 x+5 \\ y=x^2+2 x+1 \end{array} [/tex]

📝 Answered - Solve the equation [tex]$9 x-2=16$[/tex] A) [tex]$32 / 9$[/tex] B) 2 C) [tex]$14 / 9$[/tex] D) 4

📝 Answered - Based on the type of equations in the system, what is the greatest possible number of solutions? $\left\{\begin{array}{l} x^2+y^2=9 \\ 9 x+2 y=16 \end{array} ?\right.$ 1 2 3 4

📝 Answered - Let Z~N(0, 1). Find a so that P(Z < a) = 0.69.