D. Find the missing term in a proportion. 1. 3:13 = 39:N
Added by Amparo P.
Close
Step 1
In this case, we have the proportion 3:13 = 39:N. To cross multiply, we multiply the first term of the first ratio (3) by the second term of the second ratio (N), and then multiply the second term of the first ratio (13) by the first term of the second ratio Show more…
Show all steps
Your feedback will help us improve your experience
Yujie Wang and 78 other Algebra educators are ready to help you.
Ask a new question
Labs
Want to see this concept in action?
Explore this concept interactively to see how it behaves as you change inputs.
Key Concepts
Recommended Videos
What is the missing term in the given proportion 3 : n = 21 : 35?
Atul K.
Find a formula for $a_{n}$ for the arithmetic $$a_{1}=1, d=3$$
Sequences, Series, and Probability
Arithmetic Sequences and Partial Sums
Solve. $$ 3 n-13=12 $$
Linear Equations and Inequalities
Review Exercises and Sample Exam
Recommended Textbooks
Elementary and Intermediate Algebra
Algebra and Trigonometry
Watch the video solution with this free unlock.
EMAIL
PASSWORD