Mathematics, 09.02.2021 23:00 eddyreynoso5025
The perimeter of a rectangle is 40 cm. The length is 14 cm. Let x = width of the rectangle Ravi says he can find the width using the equation 2( x + 14) = 40 Fran says she can find the width using the equation 2x + 28 = 40 Answer the the questions to solve the equations and to compare the steps and solutions
4. Which of these is the most helpful first step for solving Fran’s equation, 2x + 28 = 40?
1.Multiply both sides by 2
2.Subtract 28 from both sides
3.Divide both sides by 2
4.Add 28 to both sides
Answers: 2
Mathematics, 21.06.2019 20:30
Solve each quadratic equation by factoring and using the zero product property. 14x - 49 = x^2
Answers: 2
Mathematics, 22.06.2019 00:50
Assume that adults have iq scores that are normally distributed with a mean of mu equals 100 and a standard deviation sigma equals 20. find the probability that a randomly selected adult has an iq between 80 and 120.assume that adults have iq scores that are normally distributed with a mean of mu equals 100 and a standard deviation sigma equals 20. find the probability that a randomly selected adult has an iq between 80 and 120.
Answers: 3
Mathematics, 22.06.2019 03:30
The diameter of the moon is about 3500 km. approximate the surface area of the moon using the formula for the surface area of a sphere, s = 4Ï€r2. write your answer in scientific notation.
Answers: 1
Mathematics, 22.06.2019 04:00
The perimeter of the rectangle is 120 feet. if the length of the rectangle is ten feet more than the width ,what are the dimensions (length and width) of the rectangle?
Answers: 1
The perimeter of a rectangle is 40 cm. The length is 14 cm. Let x = width of the rectangle Ravi says...
Mathematics, 27.10.2020 21:30
Mathematics, 27.10.2020 21:30
English, 27.10.2020 21:30