Mathematics, 12.02.2022 18:40 xcoder1732
Directions: Read each question carefully. Answer each question by creating and solving a system of equations to represent the situation presented. Be sure to show all work.
Carpenter Charlie charges $15 per hour plus a flat rate of $100. Carpenter Chris charges $20 per hour plus a flat rate of $50. For how many hours of work will the total charged be
equal? Let x equal the number of hours worked and let y equal the total that the carpenter will charge.
Answers: 1
Mathematics, 22.06.2019 00:30
Arandomized controlled trial is designed to evaluate the effect of metoprolol in patients with heart failure. while preparing for statistical analysis, the researcher reviews some common types of statistical errors. which of the following statements is true regarding a type i error in a clinical study? a. the study is not significantly powered to detect a true difference between study groups. bthe null hypothesis is true but is rejected in error. c. the null hypothesis is false but is accepted in error. d. type i error is also known as beta and is usually 0.1 or 0.2. e. type i error depends on the study's confidence interval.
Answers: 1
Mathematics, 22.06.2019 00:30
You borrow $25,000 to buy a boat. the simple interest rate is 4%. you pay the loan off after 10 years. what is the total amount you paid for the loan?
Answers: 1
Mathematics, 22.06.2019 03:30
Acollection of nickels and quarters is worth $2.85. there are 3 more nickels than quarters.how many nickels and quarters are there?
Answers: 3
Directions: Read each question carefully. Answer each question by creating and solving a system of e...
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