Ask Question
MathematicsMathematics
18 September, 16:43

A rectangle's length is 4 more than twice its width. Its area is 240 square centimeters.

Complete the work to find the dimensions of the rectangle.

w (2w + 4) = 240

2w2 + 4w = 240

2w2 + 4w - 240 = 0

2 (w + 12) (w - 10) = 0

What is the width of the rectangle? What is the length of the rectangle?

+1
Answers (1)
  1. 18 September, 19:45
    0
    Since the problem is already factored for you all you have to do is set each of the factor set to zero. Because length cannot be negative, The width is going to be equal to 10cm

    Set the equation up no with 10 plugged in for (w) in 240 = (l) (10)

    Therefore length is 24
Know the Answer?
Not Sure About the Answer?
Find an answer to your question ✅ “A rectangle's length is 4 more than twice its width. Its area is 240 square centimeters. Complete the work to find the dimensions of the ...” in 📘 Mathematics if you're in doubt about the correctness of the answers or there's no answer, then try to use the smart search and find answers to the similar questions.
Search for Other Answers
You Might be Interested in
Jordan said 60% of 150 people is 80 people. His work is shown below. Is his answer correct? Explain why or why not. Jordan's work: 60% of 150 = 10% + 50% = 5 + 75 = 80
Answers (2)
Convert the improper fractions to mixed numbers, 19/3 13/5
Answers (1)
Angie and Becky each completed a separate proof to show that the measures of vertical angles AKG and HKB are equal. Who completed the proof incorrectly? Explain.?
Answers (1)
Use the front end addition strategy to add
Answers (1)
If h (x) = 6 - X, what is the value of (hon) (10) ?
Answers (1)
New Questions in Mathematics
Now, imagine you have a pizza with 10 slices. There are 3 pepperoni slices, 2 veggie slices, and 5 plain cheese slices.
Answers (1)
Laura draws a right triangle she then creates three squares using each side of the triangle shown pic - triangle in the middle with three square on the edges of the triangle which of the methods could Laura prove the Pythagorean theorem 1 - to prove
Answers (1)
Miguel valdez sells appliances. he is paid an 8 percent commission on the first $2000 worth of sales, 10 percent on the next $2500, and 15 percent on all sales over $4500. what is his commission on $4910 worth of sales?
Answers (3)
Rosa's work finding the median of a set of test scores is shown below. {80, 70, 90, 80, 90, 65, 100, 100, 90} 90 Which statement best describes Rosa's first error? O She should have reordered the elements from least to greatest.
Answers (2)
Which transformation will be equivalent to rotating a figure 180 counterclockwise
Answers (1)
Home » Mathematics » A rectangle's length is 4 more than twice its width. Its area is 240 square centimeters. Complete the work to find the dimensions of the rectangle.
Sign Up Forgot Password?