A student solved s system of equations by elimination. Describe and correct the error made in the part of the solution shown.

5x+4y - x3→15x+12y=6

3x+3y - x4→12x+12y=-3

3x+0=9

x=3

How many significant figures are there in 0.04720?

A cyclist rides her bike at a speed of 20 kilometers per hour. What is this speed in miles peer hour? How many miles will the cyclist travel in 3 hours? In your computations, assume that mile is equal to 1.6 kilometers.

How many digits will be in the quotient? 39 4,641

What is the largest possible value x could take given that it must be an integer? x < 5

The length of a fence is 67 yards. what is the equivalent measurement in meters?

Given the speeds of each runner below, determine who runs the fastest. Katie runs 14 feet per second. Zach runs 576 feet in 46 seconds. Tony runs 1 mile in 533 seconds. Will runs 827 feet in 1 minute.

What is the mean average diviation

If (x + 1) (x - 3) = 5, then which of the following statements is true?. x + 1 = 0 or x - 3 = 0. x + 1 = 5 or x - 3 = 5. x - 4 = 0 or x + 2 = 0

14kg is equal to many Ib

The number of people arriving for treatment at an emergency room can be modeled by a Poisson process with a rate parameter of four per hour.