Questions in mathematics

Questions in mathematics

[Done] Find the minimum value of \(1 + 3(3 - x)^2\).

[Done] If 115% of a number is 460, what is 75% of the number? Please explain the work behind the solution.

[Done] What is the value of [tex]x^2 = 169[/tex]?

[Done] Simplify the expression and write the answer in factored form: \[ 8a - 2b + 12a - 2a - 4b \]

[Done] how many halves are there in 14 and a half how many halves are there in 14 and a half

[Done] Find the selling price. Cost of a sled: $99.50 Markup: 95%

[Done] Solve for x: \[ 64^{x-2} = 256^{2x} \]

[Done] Simplify the following expressions and explain the work behind the solution. 1. \((-7x^2 - 7x - 7) - [(7x^3 - 9x^2 - 20) + (4x - 11)]\) 2. \((5x^4 + 8x^2 + 2) + 7(5x^4 - 3x^2)\)

[Done] The population of a small country is 5,740,000. Express this number using scientific notation.

[Done] What is 0.31 as a fraction?