Questions in Grade High-school

Questions in Grade High-school

[Homework Help] Which of the following replaces guanine in RNA? A. adenine B. thymine C. cytosine D. uracil E. none of the above

[Homework Help] Solve the quadratic equation using the quadratic formula: \[ 2x^2 + 9x - 4 = 0 \]

[Homework Help] Why should you ask people questions about school or their jobs?

[Homework Help] What is the simplest form of the product? SqRt 63x^5y^3 • sqRt 14xy8

[Homework Help] If \( n \) is even, which of the following cannot be odd? A. \( n + 3 \) B. \( 3n \) C. \( n^2 - 1 \) Please explain with some details.

[Homework Help] Solve the equation by completing the square: \[ m^2 + 2m - 48 = -6 \]

[Homework Help] Colin is buying dirt to fill a garden bed that is a 9 ft by 16 ft rectangle. If he wants to fill it to a depth of 4 in., how many cubic yards of dirt does he need? If dirt costs $25 per cubic yard, how much will the project cost? (Note: 1 cubic yard = 27 cubic feet) The answer I got is $1600. Correct me if I'm wrong.

[Homework Help] An airplane flew for 8 hours at an airspeed of \( x \) miles per hour (mph) and for 7 more hours at 325 mph. If the average airspeed for the entire flight was 350 mph, which of the following equations could be used to find \( x \)? A. \( x + 325 = 2(350) \) B. \( x + 7(325) = 15(350) \) C. \( 8x - 7(325) = 350 \) D. \( 8x + 7(325) = 2(350) \) E. \( 8x + 7(325) = 15(350) \)

[Homework Help] Are all diagonals also lines of symmetry? Can you explain why?

[Homework Help] Why does Paine begin his argument for independence with an attack on the principle of monarchy and hereditary succession?