subject
Mathematics, 01.12.2020 18:00 tiwaribianca475

Find the solution of the system of equations.

-x+2y=-15
8x-2y=-20

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 13:00
If a =6, what is the value of 2a(3b + 5c)?
Answers: 1
question
Mathematics, 21.06.2019 20:30
Adecorative window is made up of a rectangle with semicircles at either end. the ratio of ad to ab is 3: 2 and ab is 30 inches. what is the ratio of the area of the rectangle to the combined area of the semicircles? possible answers: a. 2: 3 b. 3: 2 c. 6: π d. 9: π e. 30: π
Answers: 1
question
Mathematics, 21.06.2019 21:00
Simplify. 4+3/7x-2-2/7x a. 2-5/7x b. 6-1/7x c. 2+1/7x d. 6+5/7x
Answers: 1
question
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
You know the right answer?
Find the solution of the system of equations.

-x+2y=-15
8x-2y=-20...
Questions
question
Mathematics, 08.11.2019 22:31
question
Social Studies, 08.11.2019 22:31
question
Mathematics, 08.11.2019 22:31
Questions on the website: 13722363