Questions in mathematics

Questions in mathematics

[Done] Solve this system by using substitution: \[ y = 7x - 10 \] \[ y = -3 \]

[Done] two numbers rational. between 0.3 and 0.4 express one as a decimal and fraction. explain why these numbers are rational

[Done] Which of the following figures in a plane separates it into half-planes? F. A line G. A ray H. An angle J. A point K. A line segment

[Done] Use elimination to solve the system: \[ 6x - 4y = 6 \] \[ -6x + 3y = 0 \]

[Done] Find the least common multiple of 22, 44, and 264.

[Done] What is the simplest form of the fraction 4/10?

[Done] A rectangle has an area of 30 square meters and a perimeter of 34 meters. What are the dimensions of the rectangle?

[Done] If the volume of a cube is 27 cubic meters, find the surface area of the cube.

[Done] How can I split five brownies among three people?

[Done] In a given training week, a swimmer completes: - 1/4 mile on day one - 2/5 mile on day two - 3/7 mile on day three How many total miles does the athlete swim in the given week?