OpenStax, Algebra and Trigonometry 2e §11.8 Solving Systems with Cramer's Rule · Exercise 55 · Linear Algebra · Determinants
Solving Systems with Cramer's Rule · Exercise 55
Create a system of linear equations to describe the behavior. Then, solve the system for all solutions using Cramer’s Rule.
You invest $10,000 into two accounts, which receive 8% interest and 5% interest. At the end of a year, you had $10,710 in your combined accounts. How much was invested in each account?
OpenStax, Algebra and Trigonometry 2e · §11.8 Solving Systems with Cramer's Rule · Exercise 55
Stuck? A gentle nudge
No hints for this one.
Your working
Check your full solution
Attach photos of your pages (up to 3) or one PDF — or check what you typed above. Lemma reads the work and verifies the reasoning, not just the answer.
Your first check today doesn't need an account.
Your photos and PDFs are read once and not stored — only the transcription is kept.