Questions in Grade High-school

Questions in Grade High-school

[Homework Help] Need help. Solve using the quadratic formula, approximate the solution to the nearest tenth. \[ 5x^2 + 5x = 6 \] Answer is _______

[Homework Help] Make 478 three hundred times as large.

[Homework Help] Solve the equation: \[ \sin(x + 80^\circ) = 0.6 \] for \(-180^\circ < x < 180^\circ\). Answer: \(x = -86.26^\circ\) or \(x = 126.26^\circ\).

[Homework Help] Simplify by factoring. Type the exact answer, using radicals as needed. \(\sqrt{120p^{17}}\)

[Homework Help] List three different ways to write [tex]5^{11}[/tex] as the product of two powers. Explain why all three of your expressions are equal to [tex]5^{11}[/tex]. 1. [tex]5^{4} \times 5^{7} = 5^{11}[/tex] 2. [tex]5^{5} \times 5^{6} = 5^{11}[/tex] 3. [tex]5^{3} \times 5^{8} = 5^{11}[/tex] All three expressions are equal to [tex]5^{11}[/tex] because when multiplying powers with the same base, you add the exponents.

[Homework Help] Solve the equation: \[ x^4 - 81 = 0 \]

[Homework Help] A 21-inch piece of steel is cut into three pieces so that: - The second piece is twice as long as the first. - The third piece is 3 inches more than three times the length of the first piece. Find the lengths of the pieces.

[Homework Help] If there are 4 boys and 2 girls in a family, what is the ratio of boys to the total number of children in the family?

[Homework Help] The perimeter of the triangle is 154 meters. Find the length of each side. Sides: 1. \(4x\) m 2. \(7x + 2\) m 3. \(7x + 8\) m

[Homework Help] Solve the equation: \(\sqrt{3x} - 12 = 0\)