Mathematics, 05.08.2020 15:01, dragon2565
If x and y are two positive real numbers such that x 2 +4y 2 =17 and xy =2, then find the value of x- 2y. a. 3 b. 4 c. 8 d. 9
Answers: 3
.
and 
.![(x-2y)^2=x^2-2(x)(2y)+(2y)^2\ \ \ [(a+b)^2=(a^2-2ab+b^2)]](/tpl/images/0717/6917/5e942.png)
Other questions on the subject: Mathematics
Mathematics, 21.06.2019 14:40, timothycarter342
You call the pizza store and find out that eachpizza has 12 slices. you expect 16 people tocome, and you estimate each person will eat 3slices. how many pizzas should you order
Answers: 2
Mathematics, 21.06.2019 19:30, lovelyheart5337
In the given triangle, ∠aed ∼ ∠ abc, ad = 6.9, ae = 7.2, de = 5.2, and bc = 10.2. find the measure of bd and ce. round your answer to the nearest tenth.
Answers: 2
Do you know the correct answer?
If x and y are two positive real numbers such that x 2 +4y 2 =17 and xy =2, then find the value of x...
Questions in other subjects:
Mathematics, 02.09.2019 05:30
Physics, 02.09.2019 05:30
Health, 02.09.2019 05:30
Mathematics, 02.09.2019 05:30
Mathematics, 02.09.2019 05:30
